| class="wikitable sortable" style="font-size:90%;"
!Event
!Type
!Date
!Location
!Deaths
!References |
| 1755 Lisbon earthquake
|Earthquake
|1 November 1755
|Continental Portugal
|12000+ (est.)
|[{{Cite journal |last=Aguirre |first=Benigno E. |date=2012 |title=Better Disaster Statistics: The Lisbon Earthquake |journal=Journal of Interdisciplinary History |volume=XLIII |pages=27–42}}][{{Cite web |title=NCEI Global Historical Hazard Database |url=https://www.ngdc.noaa.gov/hazel/view/hazards/earthquake/event-more-info/1339 |access-date=2024-04-19 |website=www.ngdc.noaa.gov |language=en}}][{{Cite web |title=The losses |url=https://lisbonquake.com/en-GB/scanner/the-losses |access-date=2024-04-19 |website=Quake Museum - Expect the unexpected |language=en-GB}}] |
| Ponte das Barcas collapse {{efn|Although the tragedy happened in the context of a battle between French and Portuguese troops, the collapse of the bridge was an accident not directly caused by the battle.|name="Ponte das Barcas 1"}}
|Structural failure
|9 March 1809
|Porto / Vila Nova de Gaia
|4000 (est.)
|[{{Cite web |date=2024-03-26 |title=8 of the Most Devastating Bridge Collapses |url=https://www.history.com/news/deadly-bridge-collapses |access-date=2024-04-18 |website=HISTORY |language=en}}][{{Cite journal |last=Vlachou |first=Foteini |title=Painting the Battle of Porto, March 29, 1809: The "desastre da ponte das barcas" in its Portuguese and French context |url=https://www.academia.edu/1772346 |journal=Revista de Estudos Anglo-Portugueses |publisher=Centre for English, Translation and Anglo-Portuguese Studies |publication-date=2009 |issue=18 |pages=49–68 |issn=0871-682X}}] |
| 1522 Vila Franca earthquake
|Earthquake
|22 October 1522
|Azores
|3000–5000 (est.)
|[{{Cite journal |last1=Caldeira |first1=Bento |last2=Fontiela |first2=João |last3=Borges |first3=José F. |last4=Bezzeghoud |first4=Mourad |date=2017 |title=Large earthquakes in the Azores |url=https://revistas.ucm.es/index.php/FITE/article/view/57601/51879 |journal=Física de la Tierra |volume= |issue=29 |pages=29–45}}][{{Cite web |last=Lusa |first=Agência |title=Açores sofreram há 497 anos o sismo "mais destruidor" na história do arquipélago |url=https://observador.pt/2019/10/22/acores-sofreram-ha-497-anos-o-sismo-mais-destruidor-na-historia-do-arquipelago/ |access-date=2024-04-19 |website=Observador |language=pt-PT}}][{{Cite web |date=2023-06-23 |title=Vila Franca recebeu colóquio internacional sobre catástrofes naturais (Vídeo) |url=https://acores.rtp.pt/sociedade/vila-franca-recebeu-coloquio-internacional-sobre-catastrofes-naturais-video/ |access-date=2024-04-19 |website=RTP Açores |language=pt-PT}}] |
| 1531 Lisbon earthquake
|Earthquake
|26 January 1531
|Continental Portugal
|1000–30000 (est.)
|[{{Cite journal |last1=Sá |first1=Luis |last2=Morales‑Esteban |first2=Antonio |last3=Durand Neyra |first3=Percy |date=October 2018 |title=The 1531 earthquake revisited: loss estimation in a historical perspective |url=https://www.researchgate.net/publication/324679996 |journal=Bulletin of Earthquake Engineering |volume=16 |issue=10 |pages=4533–4559 |doi=10.1007/s10518-018-0367-z |via=}}] |
| 1757 Azores Islands earthquake
|Earthquake
|9 July 1757
|Azores
|1000–1500 (est.)
|[{{Cite web |last=Lusa |first=Agência |title=Terramoto de 1757 em São Jorge causou mil mortes e foi o mais violento dos Açores |url=https://observador.pt/2022/03/31/terramoto-de-1757-em-sao-jorge-causou-mil-mortes-e-foi-o-mais-violento-dos-acores/ |access-date=2024-04-05 |website=Observador |language=pt-PT}}] |
| 1803 Madeira floods and mudslides
|Floods
|9 October 1803
|Madeira
|600–1000 (est.)
|[{{Cite web |last=Henriques |first=Paula |title=Centenas morreram na Madeira há 217 anos em aluvião |url=https://www.dnoticias.pt/2020/10/9/76112-centenas-morreram-na-madeira-ha-217-anos-em-aluviao |access-date=2024-04-05 |website=Diário de Notícias Madeira |language=pt}}] |
| 1967 Portugal floods
|Floods
|25–26 November 1967
|Lisbon District
|462+
|[{{Cite journal |last1=da Silva Costa |first1=Francisco |last2=Cardina |first2=Miguel |last3=Batista Vieira |first3=António Avelino |date=July 2016 |title=As inundações de 1967 na região de Lisboa - Uma catástrofe com diferentes leituras |url=https://www.researchgate.net/publication/310814369 |journal=Investigaciones Geográficas |issue=51 |page=103 |language=pt |doi=10.5354/0719-5370.2016.41749|hdl=10316/35301 |hdl-access=free }}] |
| Independent Air Flight 1851 crash
|Aviation accident
|{{Date|8 February 1989|DD MMMM YY}}
|Santa Maria, Azores
|144
|[{{Cite web |title=Accident Boeing 707-331B N7231T |url=https://aviation-safety.net/asndb/326371 |access-date=2024-04-18 |website=aviation-safety.net}}] |
| TAP Flight 425 crash
|Aviation accident
|{{Date|19 November 1977|DD MMMM YY}}
|Madeira
|131
|[{{Cite web |title=Accident Boeing 727-282 CS-TBR |url=https://aviation-safety.net/asndb/328995 |access-date=2024-04-18 |website=aviation-safety.net}}] |
| Sinking of the San Pedro de Alcantara
|Maritime accident
|2 February 1786
|Near the coast of Peniche
|128
|[{{Cite web |title=San Pedro de Alcantara |url=https://www.abc.se/~m10354/mar/spa.htm |access-date=2024-04-18 |website=www.abc.se}}] |
| 1941 Iberian cyclone
|Storm
|14–16 February 1941
|Continental Portugal
|100+
|[{{Cite web |last=Silva |first=Claudia Carvalho |date=2023-02-12 |title=Ciclone de 1941: o "demónio" de vento que varreu Portugal |url=https://www.publico.pt/2023/02/12/azul/reportagem/ciclone-1941-demonio-vento-varreu-portugal-2038336 |access-date=2024-04-05 |website=PÚBLICO |language=pt}}] |
| Custóias rail accident
|Railway accident
|26 July 1964
|Matosinhos
|90+
|[{{Cite web |title=Catástrofe ferroviária de Custóias ocupou toda a 1.ª página |url=https://www.jn.pt/pais/noticias/porto/matosinhos/catastrofe-ferroviaria-de-custoias-ocupou-toda-a-1-pagina-16237806.html/ |access-date=2024-04-19 |website=Jornal de Notícias |language=pt}}][{{Cite web |last=PÚBLICO |date=2017-06-18 |title=Maiores tragédias em Portugal |url=https://www.publico.pt/2017/06/18/sociedade/noticia/maiores-tragedias-em-portugal-1776083 |access-date=2024-04-19 |website=PÚBLICO |language=pt}}][{{Cite web |date=2016-09-09 |title=Visão {{!}} Os acidentes mais graves com comboios portugueses |url=https://visao.pt/atualidade/sociedade/2016-09-09-os-acidentes-mais-graves-com-comboios-portugueses/ |access-date=2024-04-19 |website=Visão |language=pt-PT}}] |
| Sinking of the Nuestra Señora del Rosario
|Maritime accident
|7 December 1589
|Coast of Setúbal
|80 (est.)
|[{{Cite journal |last=Monteiro |first=Alexandre |date=2012-01-01 |title=O naufrágio da nau da prata Nuestra Señora del Rosario (Tróia, 1589) |url=https://www.academia.edu/2047072 |journal=Al-madan, IIª série, nº 17}}] |
| 1980 Azores Islands earthquake
|Earthquake
|1 January 1980
|Azores
|73
|[{{Cite web |last=Ferreira |first=Marta Leite |title=Sismo dos Açores em 1980. A história do terramoto mais destrutivo dos últimos 200 anos em Portugal |url=https://observador.pt/2018/02/12/sismo-dos-acores-em-1980-a-historia-do-terramoto-mais-destrutivo-dos-ultimos-200-anos-em-portugal/ |access-date=2024-04-18 |website=Observador |language=pt-PT}}] |
| Venezuelan Air Force C-130 Hercules crash
|Aviation accident
|3 September 1976
|Terceira, Azores
|68
|[{{Cite web |title=Accident Lockheed C-130H Hercules 7772 |url=https://aviation-safety.net/asndb/329328 |access-date=2024-04-05 |website=aviation-safety.net}}] |
| June 2017 wildfires
|Wildfires
|17-24 June 2017
|Castanheira de Pera and Pedrógão Grande
|66
|[{{Cite news |last=Alberti |first=Mia |date=2018-06-15 |title=Portugal's wildfire that broke a community |url=https://www.bbc.com/news/world-europe-44438505 |access-date=2024-04-18 |work=BBC |language=en-GB}}] |
| Viasa Flight 897 crash
|Aviation accident
|30 May 1961
|Near the coast of Setúbal
|61
|[{{cite journal |date=8 June 1961 |title=KLM-Viasa DC-8 tragedy |url=http://www.flightglobal.com/pdfarchive/view/1961/1961%20-%200804.html |url-status=dead |journal=Flight |page=814 |archive-url=https://web.archive.org/web/20140407091709/http://www.flightglobal.com/pdfarchive/view/1961/1961%20-%200804.html |archive-date=2014-04-07 |access-date=28 May 2012}}] |
| 1909 Benavente earthquake
|Earthquake
|23 April 1909
|Continental Portugal
|60
|[{{Cite web |last=Talixa |first=Jorge |date=2009-04-11 |title=Centenário do sismo de 1909 que arrasou Benavente e Samora Correia será assinalado com novo simulacro |url=https://www.publico.pt/2009/04/12/jornal/centenario-do-sismo-de-1909-que-arrasou-benavente--e-samora-correia-sera-assinalado-com-novo-simulacro-302542 |access-date=2024-04-18 |website=PÚBLICO |language=pt}}] |
| Hintze Ribeiro Bridge collapse
|Structural failure
|4 March 2001
|Penafiel / Castelo de Paiva
|59
|[{{Cite web |date=2021-03-04 |title=Victims of Portugal's deadly bridge collapse remembered 20 years on |url=https://www.euronews.com/2021/03/04/victims-of-portugal-s-deadly-bridge-collapse-remembered-20-years-on |access-date=2024-04-18 |website=euronews |language=en}}] |
| Martinair Flight 495 crash
|Aviation accident
|21 December 1992
|Faro
|56
|[{{Cite web |title=Accident McDonnell Douglas DC-10-30CF PH-MBN |url=https://aviation-safety.net/asndb/325365 |access-date=2024-04-18 |website=aviation-safety.net}}] |
| 2010 Madeira floods and mudslides
|Floods
|20 February 2010
|Madeira
|51
|[{{cite news |title=O dia que mudou a Madeira para sempre [grande reportagem] |url=https://expresso.pt/multimedia-expresso/2020-02-19-O-dia-que-mudou-a-Madeira-para-sempre-grande-reportagem |url-status=dead |archive-url=https://web.archive.org/web/20200220213414/https://expresso.pt/multimedia-expresso/2020-02-19-O-dia-que-mudou-a-Madeira-para-sempre-grande-reportagem |archive-date=2020-02-20 |access-date=29 August 2021 |work=Expresso |language=pt-PT}}] |
| Cais do Sodré station roof collapse
|Structural failure
|28 May 1963
|Lisbon
|49
|[{{Cite web |last= |date=2004-04-10 |title=O dia mais negro da linha de Cascais |url=https://www.publico.pt/2004/04/11/jornal/o-dia-mais-negro-da-linha-de-cascais-186775 |access-date=2024-04-18 |website=PÚBLICO |language=pt}}] |
| Moimenta-Alcafache train crash
|Railway accident
|11 September 1985
|Mangualde
|49+
|[{{cite web |title=O 11 de Setembro de Alcafache foi há 25 anos |url=http://www.publico.pt/Sociedade/o-11-de-setembro-de-alcafache-foi-ha-25-anos_1455355 |url-status=dead |archive-url=https://web.archive.org/web/20110128044536/http://publico.pt/Sociedade/o-11-de-setembro-de-alcafache-foi-ha-25-anos_1455355 |archive-date=28 January 2011 |accessdate=11 September 2010 |publisher=Público}}] |
| Air France Flight 009 crash
|Aviation accident
|28 October 1949
|São Miguel, Azores
|48
|[{{Cite web |title=Accident Lockheed L-749-79-46 Constellation F-BAZN |url=https://aviation-safety.net/asndb/336300 |access-date=2024-04-18 |website=aviation-safety.net}}] |
| October 2017 wildfires
|Wildfires
|13-18 October 2017
|Continental Portugal
|45
|[{{Cite web |title=Incêndios de Outubro provocaram 45 mortos e 70 feridos, e atingiram 1.500 casas e 500 empresas |url=https://www.jornaldenegocios.pt/economia/detalhe/incendios-de-outubro-provocaram-45-mortos-e-70-feridos-e-atingiram-1500-casas-e-500-empresas |access-date=2024-04-18 |website=www.jornaldenegocios.pt |language=pt-PT}}] |
| SA de Transport Aérien Flight 730 crash
|Aviation accident
|18 December 1977
|Madeira
|36
|[{{Cite web |title=Accident Sud Aviation SE-210 Caravelle 10R HB-ICK |url=https://aviation-safety.net/asndb/328970 |access-date=2024-04-18 |website=aviation-safety.net}}] |
| SATA Air Açores Flight 530M crash
|Aviation accident
|11 December 1999
|São Jorge, Azores
|35
|[{{Cite web |title=Accident British Aerospace ATP CS-TGM |url=https://aviation-safety.net/asndb/323613 |access-date=2024-04-18 |website=aviation-safety.net}}] |
| Odemira rail accident
|Railway accident
|13 September 1954
|Odemira
|34
| |
| 1997 São Miguel floods and mudslides
|Floods
|31 October 1997
|São Miguel, Azores
|29
|[{{Cite web |last=SAPO |title=Há 20 anos, um mar de lama e terras engoliu dezenas de casas na Ribeira Quente. Das memórias ao que mudou desde a tragédia |url=https://24.sapo.pt/atualidade/artigos/ha-20-anos-um-mar-de-lama-e-terras-engoliu-dezenas-de-casas-na-ribeira-quente-das-memorias-ao-que-mudou-desde-a-tragedia |access-date=2024-12-11 |website=SAPO 24 |language=pt}}] |
| 2019 Madeira bus crash
|Road accident
|17 April 2019
|Madeira
|29
|[{{Cite web |date=2019-04-17 |title=29 dead in tourist bus crash on Portugal's Madeira Island - CBS News |url=https://www.cbsnews.com/news/madeira-bus-crash-german-tourists-killed-in-portugal-today-2019-04-17/ |access-date=2024-04-18 |website=www.cbsnews.com |language=en-US}}] |
| Viana do Castelo train collision
|Road/railway accident
|1 May 1938
|Viana do Castelo
|28
|[{{Cite web |last=Cruz |first=Andrea |date=2011-03-24 |title=Bombeiros ajudam a contar a história de Viana através do registo dos seus desastres |url=https://www.publico.pt/2011/03/24/jornal/bombeiros-ajudam-a-contar-a-historia-de-viana-atraves-do-registo-dos-seus-desastres-21630200 |access-date=2024-12-16 |website=PÚBLICO |language=pt}}] |
| 1966 Sintra wildfires
|Wildfires
|6-12 September 1966
|Sintra
|25
|[{{Cite web |last=Lusa |date=2018-10-07 |title=O maior fogo de sempre na serra de Sintra foi há 52 anos. Morreram 25 militares |url=https://www.publico.pt/2018/10/07/sociedade/noticia/incendios-o-maior-incendio-de-sempre-na-serra-de-sintra-foi-ha-52-anos-e-um-mes-1846488 |access-date=2024-04-05 |website=PÚBLICO |language=pt}}] |
| Algueirão train collision
|Railway accident
|20 December 1965
|Sintra
|20
|[{{Cite web |title=PORTUGAL: CROWDED PASSENGER TRAIN CRASHED INTO GOODS TRAIN - 20 DEAD |url=https://www.britishpathe.com/asset/143233/ |access-date=2024-12-16 |website=British Pathé |language=en-GB}}] |
| Vila Franca de Xira derailment
|Railway accident
|16 August 1947
|Vila Franca de Xira
|17
|[{{Cite news |year= |orig-date= |title=Foram hoje a enterrar mais algumas vítimas do acidente de Vila Franca de Xira |url=http://casacomum.org/cc/visualizador?pasta=05781.045.11247#!4 |access-date=16 December 2024 |work=Diário de Lisboa |pages=4–5 |publication-place=Lisbon |publication-date=19 August 1947}}] |
| Recarei-Sobreira bus-train collision
|Road/railway accident
|26 April 1984
|Paredes
|17
| |
| Póvoa de Santa Iria train collision
|Railway accident
|5 May 1986
|Vila Franca de Xira
|17
|[{{Cite web |title='Human error' blamed for Portuguese train crash - UPI Archives |url=https://www.upi.com/Archives/1986/05/06/Human-error-blamed-for-Portuguese-train-crash/5211515736000/ |access-date=2024-04-18 |website=UPI |language=en}}] |
| Fratel bus crash
|Road accident
|6 November 2007
|Vila Velha de Ródão
|17
|[{{Cite web |last=Sousa |first=Mariana Oliveira e Hugo Daniel |date=2007-11-06 |title=Autocarro cai em ravina na A23 e provoca 13 mortos e 24 feridos |url=https://www.publico.pt/2007/11/06/jornal/autocarro-cai-em-ravina-na-a23--e-provoca-13-mortos-e-24-feridos-236504 |access-date=2024-12-10 |website=PÚBLICO |language=pt}}][{{Cite web |title=A23: acidente que matou 17 pessoas vai ser reconstituído |url=https://tvi.iol.pt/noticias/sociedade/castelo-branco/a23-acidente-que-matou-17-pessoas-vai-ser-reconstituido |access-date=2024-12-10 |website=TVI Notícias |language=pt}}] |
| 1986 Águeda wildfires
|Wildfires
|14 June 1986
|Águeda
|16
|[{{Cite web |title=Homenagem aos bombeiros mortos há 20 anos |url=https://www.jn.pt/arquivo/2006/homenagem-aos-bombeiros-mortos-ha-20-anos-555351.html/ |access-date=2024-04-19 |website=Jornal de Notícias |language=pt}}] |
| 1985 Armamar wildfires
|Wildfires
|8 September 1985
|Armamar
|14
|[{{Cite web |last=Rodrigues |first=Sandra |date=2015-09-08 |title=Capacetes na Serra de Lumiares para recordar a morte de 14 bombeiros de Armamar |url=https://www.publico.pt/2015/09/08/local/noticia/capacetes-na-serra-de-lumiares-para-recordar-a-morte-de-14-bombeiros-de-armamar-1707088 |access-date=2024-04-05 |website=PÚBLICO |language=pt}}] |
| Vimieiro bus crash
|Road accident
|25 March 2001
|Santa Comba Dão
|14
|[{{Cite news |last=Tremlett |first=Giles |date=2001-03-26 |title=Portugal bus deaths fuel fury over roads |url=https://www.theguardian.com/world/2001/mar/26/gilestremlett |access-date=2024-12-10 |work=The Guardian |language=en-GB |issn=0261-3077}}][{{Cite web |date=2021-03-24 |title=Há 20 anos ocorreu o acidente com autocarro que provocou 14 mortos no IP3 em Santa Comba Dão |url=https://centrotv.sapo.pt/ha-20-anos-ocorreu-o-acidente-com-autocarro-que-provocou-14-mortos-no-ip3-em-santa-comba-dao/ |access-date=2024-12-10 |website=CentroTV |language=pt-PT}}] |
| 1816 North Atlantic earthquake
|Earthquake
|2 February 1816
|Continental Portugal
|13 (est.)
|[{{Cite web |date=2020-08-04 |title=Visão {{!}} O sismo desconhecido: Sessenta anos depois, Portugal foi atingido por um abalo quase tão forte como o de 1755, dizem estudiosos |url=https://visao.pt/exameinformatica/2020-08-04-o-sismo-desconhecido-sessenta-anos-depois-portugal-foi-atingido-por-um-abalo-quase-tao-forte-como-o-de-1755-dizem-estudiosos/ |access-date=2024-04-19 |website=Visão |language=pt-PT}}] |
| Tunes bus crash
|Road accident
|8 April 1989
|Silves
|13
|[{{Cite news |orig-date= |title=Inquérito preliminar atribui todas as culpas ao motorista |url=http://casacomum.org/cc/visualizador?pasta=06889.206.31422#!8 |access-date=2024-04-18 |work=Diário de Lisboa |publication-date=1989-04-11}}] |
| Monte tree collapse
|Tree collapse
|15 August 2017
|Funchal, Madeira
|13
|[{{Cite news |date=2017-08-15 |title=Falling tree kills 13 on Portuguese island of Madeira |url=https://www.bbc.com/news/world-europe-40940007 |access-date=2024-12-10 |language=en-GB}}] |
| 1997 South Portugal floods
|Floods
|5 November 1997
|Beja District
|11
|[{{Cite journal |last=Rebelo |first=Fernando |last2=Ganho |first2=Nuno |date=May 1998 |title=As cheias do Outuno de 1997 no Sul de Portugal |journal=Territorium |pages=25–30}}] |
| Carvalhal bus crash
|Road accident
|27 January 2013
|Sertã
|11
|[{{Cite web |last=Lusa |date=2014-12-18 |title=Condutor de autocarro de acidente que fez 11 mortos acusado de homicídio |url=https://www.publico.pt/2014/12/18/sociedade/noticia/condutor-do-autocarro-num-acidente-que-provocou-11-mortos-acusado-de-homicidio-1679896 |access-date=2024-12-10 |website=PÚBLICO |language=pt}}] |
| Vila Nova da Rainha community centre fire
|Fire
|13 January 2018
|Tondela
|11
|[{{Cite news |agency=Agence France-Presse |date=2018-01-14 |title=Eight killed in fire at Portuguese community centre |url=https://www.theguardian.com/world/2018/jan/14/eight-killed-in-fire-at-portuguese-community-centre |access-date=2024-12-10 |work=The Guardian |language=en-GB |issn=0261-3077}}][{{Cite web |last=Lusa |first=Agência |title=Cinco anos após incêndio em associação de Tondela, Justiça apura responsabilidades |url=https://observador.pt/2023/01/12/cinco-anos-apos-incendio-em-associacao-de-tondela-justica-apura-responsabilidades/ |access-date=2024-12-10 |website=Observador |language=pt-PT}}] |
| Gibalta rail accident
|Railway accident
|31 March 1952
|Oeiras
|10
| |
| 1983 Lisbon floods
|Floods
|18 November 1983
|Lisbon District
|10
|[{{Cite web |last= |first= |date=2016-01-05 |title=Protecção Civil recria cenário das cheias de 1967 e 1983 |url=https://expressodooriente.com/proteccao-civil-recria-cenario-das-cheias-de-1967-e-1983/ |access-date=2024-12-11 |website=Jornal Expresso do Oriente |language=pt-PT}}] |
| 1998 Azores Islands earthquake
|Earthquake
|9 July 1998
|Azores
|10
|[{{Cite web |title=UPI Focus: Strong earthquake kills 10 in Azores - UPI Archives |url=https://www.upi.com/Archives/1998/07/09/UPI-Focus-Strong-earthquake-kills-10-in-Azores/4980899956800/ |access-date=2024-04-21 |website=UPI |language=en}}] |