Corregidor Caldera
{{Short description|Extinct volcanic caldera}}
{{Infobox mountain
| name = Corregidor Caldera
| other_name =
| photo = Corregidor overview landsat2000.jpeg
| photo_size =
| photo_alt =
| photo_caption = Corregidor and Caballo Islands are the rim of the caldera
| elevation =
| elevation_m = 173
| elevation_ft =
| elevation_ref =
| prominence =
| prominence_m = 173
| prominence_ft =
| prominence_ref =
| listing = Potentially-active volcanoes of the Philippines
| range =
| parent_peak =
| location = Entrance to Manila Bay
| map = Philippines
| map_alt =
| map_caption = Map of the Philippines
| map_relief =
| map_size =
| label = Corregidor Caldera
| label_position = left
| coordinates = {{coord|14|22|39|N|120|36|33|E|region:PH|display=inline,title}}
| topo =
| type = Caldera
| volcanic_region = Western Bataan Lineament
| age =
| last_eruption = Pleistocene
| first_ascent =
| easiest_route =
}}
Corregidor Caldera is an extinct volcanic caldera located at the entrance to Manila Bay in the Philippines. The caldera is composed of the islands of Corregidor and Caballo in the province of Cavite,[http://www.cavite.gov.ph/index.php?option=com_content&view=article&id=276&Itemid=184 "Political Districts of Cavite"] {{webarchive|url=https://web.archive.org/web/20111025102019/http://www.cavite.gov.ph/index.php?option=com_content&view=article&id=276&Itemid=184|date=October 25, 2011}}. Provincial Government of Cavite Official Website. Retrieved on November 18, 2011. which are believed to be the exposed rim of the volcano.
Physical features
Corregidor is classified by Philippine volcanologists as a potentially-active caldera with a rim elevation of {{convert|173|m|sp=us}} and a base diameter of {{convert|4|km|sp=us}}.
Predominant rock type is dacite with a 72.68% silica dioxide content.
Eruption
Listings
The Philippine Institute of Volcanology and Seismology (PHIVOLCS) lists the volcano as potentially active.{{cite web | url=http://volcano.phivolcs.dost.gov.ph/update_VMEPD/Volcano/VolcanoList/corregidor.htm | work=Philippine Institute of Volcanology and Seismology (PHIVOLCS) | title=Corregidor | access-date=2008-11-16 | archive-url=https://web.archive.org/web/20081204053128/http://volcano.phivolcs.dost.gov.ph/update_VMEPD/Volcano/VolcanoList/corregidor.htm | archive-date=2008-12-04 | url-status=dead }} The reason for this listing rather than inactive, is not disclosed on the PHIVOLCS website listing.
Corregidor is not listed with the Smithsonian Institution's Global Volcanism Program as it has no known eruptions in the Holocene epoch (around 10,000 years ago).{{cite web | url=http://www.volcano.si.edu/world/region.cfm?rnum=07 | title=Volcanoes of the Philippines and Southeast Asia | work=Global Volcanism Program | publisher=Smithsonian Institution}}
See also
References
{{reflist}}
External links
- {{cite gvp|name=Corregidor|vn=273810|access-date=2021-06-25}}