List of shipwrecks in October 1915
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{{Use dmy dates|date=July 2021}}
The list of shipwrecks in October 1915 includes ships sunk, foundered, grounded, or otherwise lost during October 1915.
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{{Calendar ToC}}
1 October
{{shipwreck list begin |date=1 October 1915 |sort=}}
{{shipwreck list item
|ship=Elizabeth
|flag={{flag|Norway}}
|desc=The coaster suffered an onboard explosion and fire and sank in the English Channel off Cap la Heve, Seine-Inférieure, France.{{Cite newspaper The Times |title=Marine insurance market. |date=2 October 1915 |page=11 |issue=40975 |column=A }}
}}
{{shipwreck list item
|ship={{SS|Lackawanna||2}}
|flag={{flag|United States|1912}}
|desc=The cargo ship ran aground in Lake Michigan and was severely damaged.
}}
{{shipwreck list item
|ship={{SS|Pine Brance|1883|2}}
|flag={{flag|Norway}}
|desc=The cargo ship collided with {{SS|Fame||2}} ({{flag|Norway}}) at Archangelsk, Russia and was a total loss.
}}
{{shipwreck list item
|ship={{SS|Providencia|1902|2}}
|flag={{flag|France}}
|desc=World War I: The troopship was sunk in the Mediterranean Sea {{convert|50|nmi|km}} south of Cape Matapan, Greece ({{Coord|35|33|N|20|56|E}}) by {{SMU|U-33|Germany|6}} ({{navy|German Empire}}).{{cite web |url=http://uboat.net/wwi/ships_hit/4955.html |title=Providencia |publisher=Uboat.net |accessdate=1 October 2012}} Her 40 crew were rescued by {{SS|Mossoul||2}} ({{flag|France}}).{{Cite newspaper The Times |title=French steamer sunk by Austrian submarine |date=6 October 1915 |page=10 |issue=409 |column=B }}{{Cite newspaper The Times |title=French ships torpedoed in the Aegean Sea |date=16 October 1915 |page=8 |issue=40987 |column=E }} }}
{{shipwreck list end}}
2 October
{{shipwreck list begin |date=2 October 1915 |sort=}}
{{shipwreck list item
|ship={{HMT|Alexandra}} or
Alexandra II
|flag={{navy|UK}}
|desc=The naval tug was lost on this date.{{cite web |url=http://www.naval-history.net/WW1LossesBrRNA-L.htm |title=British Naval Vessels Lost at Sea Part 1 of 2 - Abadol (oiler) to Lynx (destroyer) |publisher=Naval History |accessdate=2 February 2013}}
}}
{{shipwreck list item
|ship={{SS|Arabian|1892|2}}
|flag={{flagcountry|UKGBI|civil}}
|desc=World War I: The cargo ship was shelled and sunk in the Mediterranean Sea {{convert|15|nmi|km}} west of Cerigo, Greece ({{coord|36|04|N|22|53|E}} by {{SMU|U-33|Germany|6}} ({{navy|German Empire}}). Her crew survived.{{cite web |url=http://uboat.net/wwi/ships_hit/398.html |title=Arabian |publisher=Uboat.net |accessdate=1 October 2012}}{{cite web |url=http://www.naval-history.net/WW1LossesBrMS1914-16.htm |title= British Merchant Ships Lost to Enemy Action Part 1 of 3 - Years 1914, 1915, 1916 in date order |publisher=Naval History |accessdate=21 January 2013}}
}}
{{shipwreck list item
|ship={{SS|Sailor Prince|1901|2}}
|flag={{flagcountry|UKGBI|civil}}
|desc=World War I: The cargo ship was shelled and sunk in the Mediterranean Sea {{convert|56|nmi|km}} south east by south of Cape Sidero, Crete, Greece ({{coord|34|36|N|27|04|E}}) by {{SMU|U-39||6}} ({{navy|German Empire}}) with the loss of two crew.{{cite web |url=http://uboat.net/wwi/ships_hit/5301.html |title=Sailor Prince |publisher=Uboat.net |accessdate=5 October 2012}}
}}
{{shipwreck list item
|ship={{SS|Sainte Marguerite|1913|2}}
|flag={{flag|France}}
|desc=World War I: The cargo ship was sunk in the Mediterranean Sea {{convert|20|nmi|km}} south west of Cerigo by {{SMU|U-33|Germany|6}} ({{navy|German Empire}}).{{cite web |url=http://uboat.net/wwi/ships_hit/5346.html |title=Sainte Marguerite |publisher=Uboat.net |accessdate=1 October 2012}} Her crew were rescued by {{SS|Mossoul||2}} ({{flag|France}}). }}
{{shipwreck list end}}
3 October
{{shipwreck list begin |date=3 October 1915 |sort=}}
{{shipwreck list item
|ship={{SS|Antonie|1910|2}}
|flag={{flag|France}}
|desc=World War I: The cargo ship was sunk in the Cerigo Strait ({{coord|35|58|N|21|53|E}}) by {{SMU|U-33|Germany|6}} ({{navy|German Empire}}). Her crew survived.{{cite web |url=http://uboat.net/wwi/ships_hit/368.html |title=Antonie |publisher=Uboat.net |accessdate=1 October 2012}}
}}
{{shipwreck list item
|ship={{SS|Budrie||2}}
|flag={{flag|British India}}
|desc=World War I: The cargo ship was sunk as a blockship at Scapa Flow, Orkney Islands.{{cite web |url=https://www.northlinkferries.co.uk/orkney-blog/wrecks-of-scapa-flow/ |archive-url=https://web.archive.org/web/20200716181325/https://www.northlinkferries.co.uk/orkney-blog/wrecks-of-scapa-flow/ |url-status=dead |archive-date=16 July 2020 |title=wrecks of Scapa Flow |publisher=North Link Ferries |accessdate=29 March 2021 }}
}}
{{shipwreck list item
|ship=Iki
|flag={{navy|Empire of Japan}}
|desc=The coast defense and training ship was sunk as a gunnery target by the battlecruisers {{ship|Japanese battleship|Kongō||2}} and {{ship|Japanese battleship|Hiei||2}} (both {{navy|Empire of Japan}}).
}}
{{shipwreck list end}}
4 October
{{shipwreck list begin |date=4 October 1915 |sort=}}
{{shipwreck list item
|ship={{SV|Brownstone||2}}
|flag={{flag|United States|1912}}
|desc= The schooner sank near New Haven, Connecticut.{{cite web |url=https://research.mysticseaport.org/coll/coll001/ |title=Records of the T. A. Scott co. |date=20 May 2016 |publisher=mysticseaport.org |access-date=10 April 2021}}
}}
{{shipwreck list item
|ship={{SS|Craigston|1911|2}}
|flag={{flagcountry|UKGBI|civil}}
|desc=World War I: The collier was shelled and sunk in the Mediterranean Sea {{convert|35|nmi|km}} west of Ovo Island, Greece ({{coord|36|07|N|22|30|E}}) by {{SMU|U-33|Germany|6}} ({{navy|German Empire}}). Her crew survived.{{cite web |url=http://uboat.net/wwi/ships_hit/1481.html |title=Craigston |publisher=Uboat.net |accessdate=1 October 2012}}
}}
{{shipwreck list item
|ship={{SS|Yunnan|1903|2}}
|flag={{flag|France}}
|desc=World War I: The passenger ship was torpedoed and damaged in the Mediterranean Sea {{convert|21|nmi|km}} south of Cape Matapan Greece by {{SMU|U-33|Germany|6}} ({{navy|German Empire}}) with the loss of a crew member. She was beached. Survivors were rescued by {{SS|Mossoul||2}} ({{flag|France}}). Yunnan was salvaged in 1919, repaired and returned to service as Ionopolis under the Greek flag.{{cite web |url=http://uboat.net/wwi/ships_hit/6609.html |title=Yunnan |publisher=Uboat.net |accessdate=1 October 2012}} }}
{{shipwreck list end}}
5 October
{{shipwreck list begin |date=5 October 1915 |sort=}}
{{shipwreck list item
|ship={{ship|French trawler|Alose||2}}
|flag={{navy|France}}
|desc=World War I: The naval trawler struck a mine and sank in the North Sea off the Galloper Lightship ({{flagcountry|UKGBI|government}}) with the loss of twelve of her crew.{{cite web |url=http://uboat.net/wwi/ships_hit/220.html |title=Alose |publisher=Uboat.net |accessdate=19 November 2012}}
}}
{{shipwreck list item
|ship={{SS|Burrsfield|1902|2}}
|flag={{flagcountry|UKGBI|civil}}
|desc=World War I: The collier was shelled and sunk in the Mediterranean Sea {{convert|70|nmi|km}} off Cape Matapan, Greece ({{coord|35|57|N|21|00|E}}) by {{SMU|U-33|Germany|6}} ({{navy|German Empire}}) with the loss of four crew.{{cite web |url=http://uboat.net/wwi/ships_hit/1004.html |title=Burrsfield |publisher=Uboat.net |accessdate=1 October 2012}}
}}
{{shipwreck list item
|ship={{SS|Novocastrian|1915|2}}
|flag={{flagcountry|UKGBI|civil}}
|desc=World War I: The cargo ship struck a mine and sank in the North Sea {{convert|3.5|nmi|km}} south east by east of Lowestoft, Suffolk. Her crew survived.{{cite web |url=http://uboat.net/wwi/ships_hit/4481.html |title=Novocastrian |publisher=Uboat.net |accessdate=21 November 2012}}
}}
{{shipwreck list item
|ship=X 130
|flag={{navy|UK}}
|desc=World War I: The barge, under tow of {{SS|Burrsfield|1902|2}} ({{flagcountry|UKGBI|civil}}), was shelled and sunk {{convert|70|nmi|km}} west of Cape Matapan ({{coord|35|57|N|21|00|E}}) by {{SMU|U-33|Germany|6}} ({{navy|German Empire}}).{{cite web |url=http://uboat.net/wwi/ships_hit/7642.html |title=X130|publisher=Uboat.net |accessdate=1 October 2012}} }}
{{shipwreck list end}}
6 October
{{shipwreck list begin |date=6 October 1915 |sort=}}
{{shipwreck list item
|ship={{SMS|Bahrenfeld}}
|flag={{navy|German Empire}}
|desc=The Vorpostenboot was lost on this date.
}}
{{shipwreck list item
|ship={{HMS|Brighton Queen}}
|flag={{navy|UK}}
|desc=World War I: The auxiliary minesweeper struck a mine and sank in the English Channel {{convert|5|nmi|km}} west of Nieuwpoort, West Flanders, Belgium with the loss of eight of her crew.{{cite web |url=http://uboat.net/wwi/ships_hit/939.html |title=Brighton Queen |publisher=Uboat.net |accessdate=19 November 2012}}
}}
{{shipwreck list item
|ship={{SS|Dimitrios Dandiolos|1902|2}}
|flag={{flag|Greece}}
|desc=World War I: The cargo ship was sunk in the Mediterranean Sea east of Malta ({{coord|35|43|N|18|24|E}}) by {{SMU|U-33|Germany|6}} ({{navy|German Empire}}).{{cite web |url=http://uboat.net/wwi/ships_hit/1649.html |title=Dimitrios |publisher=Uboat.net |accessdate=1 October 2012}}
}}
{{shipwreck list item
|ship={{SS|Forth||2}}
|flag={{flag|Norway}}
|desc=The cargo ship foundered in the Atlantic Ocean. Her crew were rescued by {{ship||General Laurie|schooner|2}} ({{flag|United States|1912}}).{{Cite newspaper The Times |title=Marine insurance market |date=7 October 1915 |page=13 |issue=40979 |column=B }}
}}
{{shipwreck list item
|ship=Islam
|flag={{flag|United States|1912}}
|desc=While hauled out on the beach in Golovnin Bay at the mouth of the Niukluk River on the coast of the Territory of Alaska with no one aboard, the 11-gross register ton steamer was destroyed during a storm when large waves struck her and broke her up.{{Cite web|url=https://alaskashipwreck.com/shipwrecks-a-z/alaska-shipwrecks-i/|title=Alaska Shipwrecks (I) – Alaska Shipwrecks|website=alaskashipwreck.com}}
}}
{{shipwreck list item
|ship={{SS|Novocastrian||2}}
|flag={{flagcountry|UKGBI|civil}}
|desc=The cargo ship foundered. Her crew survived.{{Cite newspaper The Times |title=News in Brief. |date=7 October 1915 |page=5 |issue=40979 |column=D }}
}}
{{shipwreck list item
|ship={{SS|Scawby|1911|2}}
|flag={{flagcountry|UKGBI|civil}}
|desc=World War I: The cargo ship was scuttled in the Mediterranean Sea {{convert|220|nmi|km}} east of Malta by {{SMU|U-33|Germany|6}} ({{navy|German Empire}}). Her crew survived.{{cite web |url=http://uboat.net/wwi/ships_hit/5474.html |title=Scawby |publisher=Uboat.net |accessdate=1 October 2012}}
}}
{{shipwreck list item
|ship={{SS|Silverash|1904|2}}
|flag={{flagcountry|UKGBI|civil}}
|desc=World War I: The cargo ship was shelled and sunk in the Mediterranean Sea {{convert|184|nmi|km}} east of Malta by {{SMU|U-33|Germany|6}} ({{navy|German Empire}}). Her crew survived.{{cite web |url=http://uboat.net/wwi/ships_hit/5570.html |title=Silverash |publisher=Uboat.net |accessdate=1 October 2012}}
}}
{{shipwreck list item
|ship={{SS|Texelstroom|1914|2}}
|flag={{flag|Netherlands}}
|desc=World War I: The cargo ship struck a mine and sank in the North Sea {{convert|1|nmi|km}} west of the Shipwash Lightship ({{flagcountry|UKGBI|government}}). Her crew survived.{{cite web |url=http://uboat.net/wwi/ships_hit/5963.html |title=Texelstroom |publisher=Uboat.net |accessdate=21 November 2012}} }}
{{shipwreck list end}}
7 October
{{shipwreck list begin |date=7 October 1915 |sort=}}
{{shipwreck list item
|ship={{SS|Amiral Hamelin|1901|2}}
|flag={{flag|France}}
|desc=World War I: The cargo ship was sunk in the Mediterranean Sea {{convert|170|nmi|km}} west of Cape Matapan, Greece ({{coord|35|37|N|19|08|E}}) by {{SMU|U-33|Germany|6}} ({{navy|German Empire}}) with the loss of 71 lives.{{cite web |url=http://uboat.net/wwi/ships_hit/253.html |title=Amiral Hamelin|publisher=Uboat.net |accessdate=1 October 2012}}
}}
{{shipwreck list item
|ship={{SS|Halizones|1902|2}}
|flag={{flagcountry|UKGBI|civil}}
|desc=World War I: The cargo ship was shelled and sunk in the Mediterranean Sea {{convert|122|nmi|km}} south east by east of Cape Martello, Crete, Greece by {{SMU|U-39||6}} ({{navy|German Empire}}). Her crew survived.{{cite web |url=http://uboat.net/wwi/ships_hit/2685.html |title=Halizones |publisher=Uboat.net |accessdate=5 October 2012}}
}}
{{shipwreck list item
|ship={{SS|Katja|1904|2}}
|flag={{flagcountry|Russian Empire|1914}}
|desc=World War I: The coaster was sunk in the Black Sea {{convert|15|nmi|km}} north west of Sevastopol by {{SMU|UB-14||6}} ({{navy|German Empire}}).{{cite web |url=http://uboat.net/wwi/ships_hit/3275.html |title=Katja |publisher=Uboat.net |accessdate=28 October 2012}}
}}
{{shipwreck list item
|ship={{SMS|T43}}
|flag={{navy|German Empire}}
|desc=World War I: The {{sclass|S7|torpedo boat}} struck a mine and sank in the North Sea with the loss of three of her crew.{{cite web |url=http://www.worldwar1.co.uk/sunk15.htm |title=Major Warships Sunk in World War 1 1915 |publisher=World War I |accessdate=22 February 2013}} }}
{{shipwreck list end}}
8 October
{{shipwreck list begin |date=8 October 1915 |sort=}}
{{shipwreck list item
|ship={{SS|Apscheron||2}}
|flag={{navy|Russian Empire}}
|desc=World War I: The transport ship was torpedoed and sunk in the Black Sea {{convert|24|nmi|km|abbr=on}} south of Cape Chersones by {{ship|SM|UB-14}} ({{navy|German Empire}}).{{cite web |url=http://uboat.net/wwi/ships_hit/393.html |title=Apscheron |publisher=Uboat.net |accessdate=28 October 2012}}
}}
{{shipwreck list item
|ship={{SS|Thorpwood|1912|2}}
|flag={{flagcountry|UKGBI|civil}}
|desc=World War I: The collier was shelled and sunk in the Mediterranean Sea {{convert|122|nmi|km}} south of Cape Martello, Crete, Greece ({{coord|33|12|N|25|28|E}}) by {{SMU|U-39}} ({{navy|German Empire}}). Her crew survived.{{cite web |url=http://uboat.net/wwi/ships_hit/6009.html |title=Thorpwood |publisher=Uboat.net |accessdate=5 October 2012}}
}}
{{shipwreck list item
|ship=Tyconda
|flag={{flag|United States}}
|desc=The 186-gross register ton, {{convert|104.3|ft|m|adj=on}} sternwheel passenger paddle steamer was destroyed by fire at Anchorage, Territory of Alaska. All ten people on board survived.{{Cite web|url=https://alaskashipwreck.com/shipwrecks-a-z/alaska-shipwrecks-t/|title=Alaska Shipwrecks (T) – Alaska Shipwrecks|website=alaskashipwreck.com}}
}}
{{shipwreck list end}}
9 October
{{shipwreck list begin |date=9 October 1915 |sort=}}
{{shipwreck list item
|ship={{SMS|A. Upmeyer}}
|flag={{navy|German Empire}}
|desc=The Vorpostenboot was lost on this date.
}}
{{shipwreck list item
|ship={{HMS|Apollo|1905|6}}
|flag={{navy|UK}}
|desc=World War I: The collier was shelled and sunk in the Mediterranean Sea {{convert|63|nmi|km}} south of Gavdos, Greece ({{coord|33|44|N|24|40|E}}) by {{SMU|U-39||6}} ({{navy|German Empire}}). Her crew survived.{{cite web |url=http://uboat.net/wwi/ships_hit/389.html |title=Apollo |publisher=Uboat.net |accessdate=5 October 2012}}
}}
{{shipwreck list end}}
10 October
{{shipwreck list begin |date=10 October 1915 |sort=}}
{{shipwreck list item
|ship={{SS|Newcastle|1899|2}}
|flag={{flagcountry|UKGBI|civil}}
|desc=World War I: The cargo ship struck a mine and sank in the English Channel {{convert|4|nmi|km}} south west of Folkestone, Kent. Her crew survived.{{cite web |url=http://uboat.net/wwi/ships_hit/4375.html |title=Newcastle |publisher=Uboat.net |accessdate=19 November 2012}}
}}
{{shipwreck list item
|ship=Washington
|flag={{flag|United States|1912}}
|desc=While under tow in rough seas by the tug Pioneer ({{flag|United States|1912}}) from Port Townsend, Washington, to Cordova, Territory of Alaska, with a cargo of 100,000 board feet (236 cubic meters) of lumber, a crew of six, and a stowaway aboard, the 708-ton, {{convert|180|ft|m|adj=on}} sloop barge became waterlogged, ran aground on the west side of Kayak Island in the Alexander Archipelago two nautical miles (3.7 km) north of Cape Saint Elias, and broke up, becoming a total loss. All seven people on board survived.{{Cite web|url=https://alaskashipwreck.com/shipwrecks-a-z/alaska-shipwrecks-w/|title=Alaska Shipwrecks (W) – Alaska Shipwrecks|website=alaskashipwreck.com}}
}}
{{shipwreck list item
|ship=Wrestler
|flag={{flagcountry|UKGBI|civil}}
|desc=The tug was lost on this date. }}
{{shipwreck list end}}
11 October
{{shipwreck list begin |date=11 October 1915 |sort=}}
{{shipwreck list item
|ship=Germania
|flag={{flagcountry|German Empire}}
|desc=The cargo ship ran aground off the coast of Sweden and was subsequently sunk by an onboard explosion.{{Cite newspaper The Times |title=Sinking of the Germania |date=6 December 1915 |page=7 |issue=41030 |column=D }}
}}
{{shipwreck list item
|ship={{ship||Seileren|barque|2}}
|flag={{flag|Norway}}
|desc=The four-masted barque collided with another vessel in the Irish Sea off Torr Head, County Antrim, United Kingdom. Her crew were rescued.{{Cite newspaper The Times |title=Marine insurance market. |date=12 October 1915 |page=12 |issue=40983 |column=F }}
}}
{{shipwreck list item
|ship={{SS|Thorpwood||2}}
|flag={{flagcountry|UKGBI|civil}}
|desc=The cargo ship foundered. Her crew were rescued. }}
{{shipwreck list end}}
12 October
{{shipwreck list begin |date=12 October 1915 |sort=}}
{{shipwreck list item
|ship={{SS|Combe|1912|2}}
|flag={{flagcountry|UKGBI|civil}}
|desc=The ammunition carrier was lost in the Arctic Sea on this date.{{cite web |url=http://www.roll-of-honour.com/Hertfordshire/WatfordChristchurchStreetShrineExpanded.html |title=WATFORD, CHRISTCHURCH STREET SHRINE WAR MEMORIAL (EXPANDED) |publisher=Roll of Honour |accessdate=4 February 2013}}
}}
{{shipwreck list item
|ship={{HMT|Frons Olivae}}
|flag={{navy|UK}}
|desc=World War I: The naval trawler struck a mine and sank in the North Sea with the loss of eleven of her crew.{{cite web |url=http://uboat.net/wwi/ships_hit/2315.html |title=HMD Frons Olivae |publisher=Uboat.net |accessdate=19 November 2012}}
}}
{{shipwreck list item
|ship=Lighter #6
|flag={{flag|United States|1912}}
|desc= The lighter capsized and sank at Westport, Connecticut.
}}
{{shipwreck list item
|ship={{HMT|Restore}}
|flag={{navy|UK}}
|desc=World War I: The naval trawler was shelled and sunk in the Straits of Otranto ({{Coord|40|20|N|18|42|E}}) by {{SMU|U-39}} ({{navy|German Empire}}) with the loss of two crew.{{cite web |url=http://uboat.net/wwi/ships_hit/5095.html |title=HMD Restore |publisher=Uboat.net |accessdate=5 October 2012}}
}}
{{shipwreck list end}}
14 October
{{shipwreck list begin |date=14 October 1915 |sort=}}
{{shipwreck list item
|ship={{SS|Salerno|1912|2}}
|flag={{Flagcountry|UKGBI|civil}}
|desc=World War I: The cargo ship struck a mine and sank in the North Sea {{convert|2.5|nmi|km}} south of the Longsand Lightship ({{flagcountry|UKGBI|government}}) ({{coord|51|45|N|1|42|E}}). Her crew survived.{{cite web |url=http://uboat.net/wwi/ships_hit/5355.html |title=Salerno |publisher=Uboat.net |accessdate=17 November 2012}} }}
{{shipwreck list end}}
15 October
{{shipwreck list begin |date=15 October 1915 |sort=}}
{{shipwreck list item
|ship={{SMS|T100}}
|flag={{navy|German Empire}}
|desc=The training ship, a former {{sclass|S90|torpedo boat}}, collided with {{SS|Preussen|1909|2}} ({{flagcountry|German Empire}}) and sank in the Baltic Sea.
}}
{{shipwreck list item
|ship=No. 2
|flag={{navy|Russian Empire}}
|desc=The crewless submarine foundered off the Sosnovets Lighthouse in Svyatanos Bay, in the White Sea whilst being towed to Murmansk. Attempts to refloat her were abandoened a year later and she was declared a total loss.{{Cite book |title=Погибли без боя. Катастрофы русских кораблей XVIII–XX вв. |trans-title=They died without a fight. Catastrophes of Russian ships of the XVIII-XX centuries |language=Russian |first=Alexander Alekseevich |last=Chernyshev |publisher=Veche |year=2012 |url=http://www.maxima-library.org/mob/b/389880?format=read }}
}}
{{shipwreck list end}}
16 October
{{shipwreck list begin |date=16 October 1915 |sort=}}
{{shipwreck list item
|ship={{SS|Volscian|1898|2}}
|flag={{flagcountry|UKGBI|civil}}
|desc=World War I: The coaster struck a mine and was damaged in the English Channel {{convert|2.5|nmi|km}} west by south of Folkestone, Kent. She was beached but was later refloated.{{cite web |url=http://uboat.net/wwi/ships_hit/6391.html |title=Volscian |publisher=Uboat.net |accessdate=17 November 2012}} }}
{{shipwreck list end}}
17 October
{{shipwreck list begin |date=17 October 1915 |sort=}}
{{shipwreck list item
|ship={{HMT|Javelin}}
|flag={{navy|UK}}
|desc=World War I: The naval trawler struck a mine and sank in the North Sea {{convert|3|nmi|km}} south of the Longsand Lightship ({{flagcountry|UKGBI|government}}) with the loss of a crew member.{{cite web |url=http://uboat.net/wwi/ships_hit/3128.html |title=Javelin |publisher=Uboat.net |accessdate=17 November 2012}} }}
{{shipwreck list end}}
18 October
{{shipwreck list begin |date=18 October 1915 |sort=}}
{{shipwreck list item
|ship={{SS|Aleppo|1900|2}}
|flag={{flagcountry|UKGBI|civil}}
|desc=World War I: The cargo ship struck a mine and was damaged in the North Sea. She was beached but was later refloated.{{cite web |url=http://uboat.net/wwi/ships_hit/171.html |title=Aleppo |publisher=Uboat.net |accessdate=19 November 2012}}
}}
{{shipwreck list item
|ship={{SS|Algardi||2}}
|flag={{flagcountry|UKGBI|civil}}
|desc=The cargo ship ran aground on the Longsand, in the Thames Estuary, and was abandoned by her crew. She was refloated on 22 October.
}}
{{shipwreck list item
|ship={{SS|Pernambuco||2}}
|flag={{flagcountry|German Empire}}
|desc=World War I: The cargo ship was torpedoed and sunk in the Baltic Sea off Oxelösund, Södermanland County, Sweden by a Royal Navy submarine.{{Cite newspaper The Times |title=British submarines in the Baltic. |date=20 October 1915 |page=7 |issue=40990 |column=B }}
}}
{{shipwreck list item
|ship={{SS|Salerno|1914|2}}
|flag={{flag|Norway}}
|desc=World War I: The cargo ship struck a mine and sank in the North Sea. Her crew survived.{{cite web |url=http://uboat.net/wwi/ships_hit/6915.html |title=Salerno |publisher=Uboat.net |accessdate=19 November 2012}}
}}
{{shipwreck list item
|ship={{SS|Scilla|1866|2}}
|flag={{flagcountry|Kingdom of Italy|civil}}
|desc=World War I: The cargo ship was sunk in the Aegean Sea off the Sporades, Greece by {{SMU|U-35|Germany|6}} ({{navy|German Empire}}).{{cite web |url=http://uboat.net/wwi/ships_hit/7687.html |title=Scilla |publisher=Uboat.net |accessdate=2 October 2012}} }}
{{shipwreck list end}}
19 October
{{shipwreck list begin |date=19 October 1915 |sort=}}
{{shipwreck list item
|ship={{HMT|Erin II}}
|flag={{navy|UK}}
|desc=World War I: The naval trawler struck a mine and sank in the English Channel off the Nab Lightship ({{flagcountry|UKGBI|government}}) with the loss of seven of her crew.{{cite web |url=http://uboat.net/wwi/ships_hit/1995.html |title=HMT Erin Ii |publisher=Uboat.net |accessdate=19 November 2012}} }}
{{shipwreck list end}}
20 October
{{shipwreck list begin |date=20 October 1915 |sort=}}
{{shipwreck list item
|ship={{HMT|Star Of Buchan}}
|flag={{navy|UK}}
|desc=World War I: The naval trawler struck a mine and sank in the English Channel off the Nab Lightship ({{flagcountry|UKGBI|government}}) with the loss of seven of her crew.{{cite web |url=http://uboat.net/wwi/ships_hit/5753.html |title=HMD Star Or Buchan |publisher=Uboat.net |accessdate=19 November 2012}} }}
{{shipwreck list end}}
21 October
{{shipwreck list begin |date=21 October 1915 |sort=}}
{{shipwreck list item
|ship={{SS|Cape Antibes||2}}
|flag={{flagcountry|UKGBI|civil}}
|desc=World War I: The collier struck a mine and sank in the White Sea with the loss of six of her crew.
}}
{{shipwreck list item
|ship={{SS|Monitoria|1909|2}}
|flag={{flagcountry|UKGBI|civil}}
|desc=World War I: The collier struck a mine and sank in the North Sea ({{coord|51|47|N|1|31|E}}). Her crew survived.{{cite web |url=http://www.naval-history.net/WW1LossesBrRNM-Z.htm |title=British Naval Vessels Lost at Sea Part 2 of 2 - M.15 (monitor) to Zylpha (Q-ship) |publisher=Naval History |accessdate=12 February 2013}}{{cite web |url=http://uboat.net/wwi/ships_hit/4221.html |title=Monitoria |publisher=Uboat.net |accessdate=19 November 2012}}
}}
{{shipwreck list item
|ship={{SS|Roi Leopold||2}}
|flag={{flag|Belgium}}
|desc=The cargo ship was wrecked on the Macau Bank off Gironde, France. She was raised c.1921, repaired and returned to service.{{cite web |title=Roi Leopold |url=https://www.wrecksite.eu/wreck.aspx?202500 |website=wrecksite.eu |accessdate=9 November 2019}} }}
{{shipwreck list end}}
22 October
{{shipwreck list begin |date=22 October 1915 |sort=}}
{{shipwreck list item
|ship={{ship||Cissie|barque|2}}
|flag={{flag|Norway}}
|desc=The barque collided with another vessel in the English Channel off the Isle of Wight and sank with the loss of seven of her 22 crew.{{Cite newspaper The Times |title=Marine insurance market. |date=23 October 1915 |page=11 |issue=40993 |column=F }}
}}
{{shipwreck list item
|ship={{HMT|Lord Denman}}
|flag={{navy|UK}}
|desc=The naval trawler was lost in the Arctic Sea on this date.
}}
{{shipwreck list item
|ship={{HMT|Scott}}
|flag={{navy|UK}}
|desc=World War I: The naval trawler struck a mine and sank in the Thames Estuary off the Tongue Lightship ({{flagcountry|UKGBI|government}}) with the loss of three of her crew.{{cite web |url=http://uboat.net/wwi/ships_hit/5483.html |title=HMT Scott |publisher=Uboat.net |accessdate=16 November 2012}} }}
{{shipwreck list end}}
23 October
{{shipwreck list begin |date=23 October 1915 |sort=}}
{{shipwreck list item
|ship={{SS|Ilaro|1895|2}}
|flag={{flagcountry|UKGBI|civil}}
|desc=World War I: The cargo ship struck a mine and sank in the English Channel {{convert|4|nmi|km}} east of Dungeness, Kent with the loss of a crew member.{{cite web |url=http://uboat.net/wwi/ships_hit/2976.html |title=Ilaro |publisher=Uboat.net |accessdate=19 November 2012}}
}}
{{shipwreck list item
|ship={{SS|Marquette|1898|2}}
|flag={{flagcountry|UKGBI|civil}}
|desc=World War I: The troopship was torpedoed and sunk in the Aegean Sea {{convert|36|nmi|km}} south of Salonica, Greece by {{SMU|U-35|Germany|6}} ({{navy|German Empire}}) with the loss of 167 lives.{{cite web |url=http://uboat.net/wwi/ships_hit/3989.html |title=Marquette |publisher=Uboat.net |accessdate=2 October 2012}}
}}
{{shipwreck list item
|ship={{SMS|Prinz Adalbert|1901|6}}
|flag={{navy|German Empire}}
|desc=World War I: The {{sclass|Prinz Adalbert|cruiser|0}} armored cruiser was torpedoed and sunk in the Baltic Sea {{convert|20|nmi|km}} off Liepāja, Latvia by {{HMS|E8}} ({{navy|UK}}) with the loss of 672 of her 675 crew.
}}
{{shipwreck list item
|ship={{SS|Rumina|1883|2}}
|flag={{Flag|Sweden}}
|desc=World War I: The cargo ship was captured in the Baltic Sea by {{SMU|U-17|Germany|6}} ({{navy|German Empire}}). She was ordered into Libau, East Prussia, Germany but struck a mine en route and sank with the loss of six lives.{{cite web |url=http://uboat.net/wwi/ships_hit/5247.html |title=Rumina |publisher=Uboat.net |accessdate=26 September 2012}}Swedish Board of Trade: "Svenska handelsflottans krigsförluster 1914-1920" (Swedish Merchant Marine War losses 1914-1920), Stockholm 1921, p 205-206}}
{{shipwreck list end}}
24 October
{{shipwreck list begin |date=24 October 1915 |sort=}}
{{shipwreck list item
|ship={{HMT|Charity}}
|flag={{navy|UK}}
|desc=The naval trawler was lost on this date.
}}
{{shipwreck list item
|ship={{SS|Isabel Monks||2}}
|flag={{flagcountry|UKGBI|civil}}
|desc=The coaster collided with {{SS|Ydun||2}} ({{flag|Norway}}) in the Atlantic Ocean {{convert|17|nmi|km}} off the Tuskar Rock, Ireland. Both vessels sank, their crews survived.{{Cite newspaper The Times |title=News in Brief. |date=25 October 1915 |page=5 |issue=40994 |column=E }}
}}
{{shipwreck list item
|ship={{SV|W. N. Zwicker||2}}
|flag={{flag|Canada|1868}}
|desc= The schooner ran ashore on Cowes Reef near Shippan Point, Connecticut. Refloated and returned to service.
}}
{{shipwreck list end}}
25 October
{{shipwreck list begin |date=25 October 1915 |sort=}}
{{shipwreck list item
|ship={{SS|Selma|1906|2}}
|flag={{flag|Norway}}
|desc=World War I: The cargo ship struck a mine and sank in the North Sea {{convert|25|nmi|km}} east north east of North Foreland, Kent, United Kingdom with the loss of nineteen of her crew.{{csr|register=MSI|id=5602605|shipname=Selma |accessdate=27 February 2012}}{{cite web |url=http://uboat.net/wwi/ships_hit/5515.html |title=Selma |publisher=Uboat.net |accessdate=17 November 2012}}
}}
{{shipwreck list item
|ship=Trafalgar
|flag={{flagcountry|UKGBI|civil}}
|desc=The full-rigged ship caught fire and was abandoned in the Atlantic Ocean ({{coord|13|04|S|36|49|W}}). She subsequently foundered.{{cite web |url=http://www.clydesite.co.uk/clydebuilt/abandoned-ships/TRAFALGAR_6.html|archive-url=https://web.archive.org/web/20150315053811/http://www.clydesite.co.uk/clydebuilt/abandoned-ships/TRAFALGAR_6.html|url-status=usurped|archive-date=15 March 2015|title=TRAFALGAR |publisher=Clydesite |accessdate=1 July 2016 }}
}}
{{shipwreck list item
|ship={{HMS|Velox|1902|6}}
|flag={{navy|UK}}
|desc=World War I: The {{sclass|Viper|destroyer}} struck a mine and sank in the English Channel off the Nab Lightship ({{flagcountry|UKGBI|government}}) ({{coord|50|41|N|1|20|W}}) with the loss of four of her crew.{{cite web |url=http://uboat.net/wwi/ships_hit/6281.html |title=HMS Velox |publisher=Uboat.net |accessdate=19 November 2012}} }}
{{shipwreck list end}}
26 October
{{shipwreck list begin |date=26 October 1915 |sort=}}
{{shipwreck list item
|ship={{SMS|Burgermeister Monckeberg}}
|flag={{navy|German Empire}}
|desc=The Vorpostenboot was lost on this date.
}}
{{shipwreck list item
|ship={{SV|Wolfe|1881|2}}
|flag={{flag|Sweden}}
|desc=The wooden barque departed from Burntisland for Malmö. Lost with all hands, 13 men, in the North Sea of unknown causes.Swedish Board of Trade: "Svenska handelsflottans krigsförluster 1914-1920" (Swedish Merchant Marine War losses 1914-1920), Stockholm 1921, p 207 }}
{{shipwreck list end}}
27 October
{{shipwreck list begin |date=27 October 1915 |sort=}}
{{shipwreck list item
|ship={{HMT|Bonar Law}}
|flag={{navy|UK}}
|desc=The naval trawler was lost.
}}
{{shipwreck list item
|ship=Frances R
|flag={{flag|United States|1912}}
|desc=The {{convert|38|ft|m|1|adj=on}} motor vessel was found sunk near the mouth of the Chickamin River ({{coord|55|47|N|130|58|W|name=Chickamin River}}) in Southeast Alaska. The three men who had been aboard were never found, although evidence found aboard suggested that two of them had left her in a skiff which was found capsized in Behm Canal.{{Cite web|url=https://alaskashipwreck.com/shipwrecks-a-z/alaska-shipwrecks-f/|title=Alaska Shipwrecks (F) – Alaska Shipwrecks|website=alaskashipwreck.com}}
}}
{{shipwreck list end}}
28 October
{{shipwreck list begin |date=28 October 1915 |sort=}}
{{shipwreck list item
|ship={{HMS|Argyll|1904|6}}
|flag={{navy|UK}}
|desc=The {{sclass|Devonshire|cruiser|||1903}} ran aground on Inchcape, Forfarshire and was wrecked.
}}
{{shipwreck list item
|ship={{HMS|Hythe|1905|6}}
|flag={{navy|UK}}
|desc=The auxiliary minesweeper collided with the armed boarding steamer {{HMS|Sarnia}} ({{navy|UK}}) in the Dardanelles and sank with the loss of 154 lives.{{cite web |url=http://www.canterbury.ac.uk/salomons-museum/david-world-war-hero.asp |title=David Reginald Salomons, First World War hero |publisher=Canterbury Christ Church University |accessdate=10 February 2013 |archive-url=https://web.archive.org/web/20151208162150/http://www.canterbury.ac.uk/salomons-museum/david-world-war-hero.asp |archive-date=8 December 2015 |url-status=dead }}
}}
{{shipwreck list item
|ship={{ship|Russian submarine|No. 2||2}}
|flag={{nowrap begin}}{{navy|Russian Empire}}{{nowrap end}}
|desc=The No. 1-class submarine was lost in the Barents Sea.
}}
{{shipwreck list end}}
29 October
{{shipwreck list begin |date= 29 October 1915 |sort=}}
{{shipwreck list item
|ship=Shark
|flag={{flag|United States|1912}}
|desc=The 19-gross register ton, {{convert|46.7|ft|m|adj=on}} fishing vessel was destroyed by fire at Seldovia, Territory of Alaska. Both people on board survived.{{Cite web|url=https://alaskashipwreck.com/shipwrecks-a-z/alaska-shipwrecks-s/|title=Alaska Shipwrecks (S) – Alaska Shipwrecks|website=alaskashipwreck.com}}
}}
{{shipwreck list end}}
30 October
{{shipwreck list begin |date=30 October 1915 |sort=}}
{{shipwreck list item
|ship={{ship|French submarine|Turquoise|1908|2}}
|flag={{navy|France}}
|desc=World War I: The {{sclass|Émeraude|submarine|||1906}} was sunk in the Dardanelles off Nagara Point, Turkey. She was refloated by Ottoman forces on 3 November and taken into the Ottoman Navy as Müstecip Onbaşı.{{cite web|url=http://www.naval-history.net/WW1NavyFrench.htm |title=French Navy |publisher=Naval History |accessdate=21 February 2013}} }}
{{shipwreck list end}}
31 October
{{shipwreck list begin |date=31 October 1915 |sort=}}
{{shipwreck list item
|ship=Alert
|flag={{flag|United States|1912}}
|desc=The 14-gross register ton, {{convert|56.5|ft|m|1|adj=on}} motor passenger vessel sank near "Point Aloa" – presumably a reference to Point Alava ({{coord|55|11|30|N|131|11|00|W|name=Point Alava}}) – in Southeast Alaska. All six people on board survived.{{Cite web|url=https://alaskashipwreck.com/shipwrecks-a-z/alaska-shipwrecks-a/|title=Alaska Shipwrecks (A) – Alaska Shipwrecks|website=alaskashipwreck.com}}
}}
{{shipwreck list item
|ship={{ship|HMY|Aries}}
|flag={{navy|UK}}
|desc=World War I: The naval yacht struck a mine and sank in the English Channel off Leathercoat Point, Kent ({{coord|51|00|N|1|24|E}}) with the loss of 22 of her crew.{{cite web |url=http://uboat.net/wwi/ships_hit/6824.html |title=Aries |publisher=Uboat.net |accessdate=19 November 2012}}
}}
{{shipwreck list item
|ship={{SS|Eidsiva|1902|2}}
|flag={{flag|Norway}}
|desc=World War I: The cargo ship struck a mine and sank in the English Channel off South Foreland, Kent. Her crew survived.{{cite web |url=http://uboat.net/wwi/ships_hit/1842.html |title=Eidsiva |publisher=Uboat.net |accessdate=19 November 2012}}
}}
{{shipwreck list item
|ship=Gerard
|flag={{flag|Netherlands}}
|desc=The steam trawler was stranded near the island of Ameland and became a total loss.{{cite web |url= http://www.tynebuiltships.co.uk/C-Ships/clanforbes1903.html |title=Clan Forbes |work=Tyne Built Ships |publisher=Shipping and Shipbuilding Research Trust |access-date=7 November 2022}}
}}
{{shipwreck list item
|ship={{HMT|John G. Watson}}
|flag={{navy|UK}}
|desc=The naval trawler sank after collision with tanker Rosalind off Stornoway.{{cite web |title=John G Watson |url=https://clydeships.co.uk/view.php?ref=51838 |website=Scottish Built Ships |publisher=Caledonian Maritime Research Trust |access-date=15 January 2025}}
}}
{{shipwreck list item
|ship={{HMS|Louis|1913|6}}
|flag={{navy|UK}}
|desc=File:HMS Louis stranded Suvla Bay 1915.jpg
World War I: Dardanelles Campaign: The {{sclass|Laforey|destroyer|||1913}} was shelled and sunk in Suvla Bay by Turkish coastal artillery.{{citation needed|date=January 2018}}
}}
{{shipwreck list item
|ship={{HMT|Othello II}}
|flag={{navy|UK}}
|desc=World War I: The naval trawler struck a mine and sank in the English Channel off Leathercoat Point with the loss of nine of her crew.{{cite web |url=http://uboat.net/wwi/ships_hit/4612.html |title=Othello Ii |publisher=Uboat.net |accessdate=19 November 2012}}
}}
{{shipwreck list item
|ship={{SS|Toward|1899|2}}
|flag={{flagcountry|UKGBI|civil}}
|desc=World War I: The cargo ship struck a mine and sank in the English Channel off South Foreland. Her crew survived.{{cite web |url=http://uboat.net/wwi/ships_hit/6077.html |title=Toward |publisher=Uboat.net |accessdate=19 November 2012}} }}
{{shipwreck list end}}
Unknown date
{{shipwreck list begin |date=Unknown date October 1915 |sort=}}
{{shipwreck list item
|ship=Admiral
|flag={{flag|United States|1912}}
|desc=The fishing vessel was lost in the Yukon River at Andreafsky, Territory of Alaska.
}}
{{shipwreck list item
|ship={{USS|Stranger}}
|flag={{flag|United States|1912}}
|desc=The Louisiana Naval Militia gunboat sank in mid-October at New Orleans, Louisiana, during the New Orleans Hurricane of 1915.{{cite web|title=USS Stranger|url=https://www.history.navy.mil/research/histories/ship-histories/danfs/s/stranger.html|website=DANFS|publisher=Naval History and Heritage Command|access-date=1 February 2016}}{{cite book|title=Annual Report of the Secretary of the Navy|author=United States. Navy Dept|date=1917|publisher=U.S. Government Printing Office|issn=0272-9415|url=https://books.google.com/books?id=ychQAAAAIAAJ|page=785|accessdate=2015-05-13}}{{cite news|title=Naval Station Notes|url=http://chroniclingamerica.loc.gov/lccn/sn88064020/1915-10-21/ed-1/seq-4/|accessdate=1 February 2016|work=The Herald|date=21 October 1915|location=New Orleans, Louisiana|page=4}}
}}
{{shipwreck list end}}