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Platanar volcano

Stratovolcanoes 2267 m / 7,438 ft
Costa Rica, 10.3°N / -84.37°W
Current status: dormant (1 out of 5)
Platanar volcano books
Typical eruption style: unspecified
Platanar volcano eruptions: unknown, no recent eruptions
TimeMag. / DepthDistanceLocation
Mon, 13 Nov
Mon, 13 Nov 10:47 UTCM 3.5 / 91 km12 km3 km al Noroeste de San Pedro, Poas.
Thu, 9 Nov
Thu, 9 Nov 06:40 UTCM 4.1 / 3 km4 km11 km al Este de Varablanca, Heredia.
Wed, 8 Nov
Wed, 8 Nov 18:40 UTCM 4.1 / 3 km3 km COSTA RICA
Wed, 8 Nov 08:02 UTCM 3.0 / 76 km16 km2 km al Este de Sto Domingo, Heredia.
Sat, 4 Nov
Sat, 4 Nov 10:17 UTCM 2.9 / 118 km16 km7 km al Noreste de Venado, San Carlos.
View all recent quakes

Background:

The Platanar volcanic center is the NW-most volcano in the Cordillera Central of Costa Rica. The massive complex covers about 900 sq km and is dominated by two largely Pleistocene stratovolcanoes, Platanar and Porvenir. These volcanoes were constructed within the Pleistocene Chocosuela caldera, which may have formed during a major slope failure. The 2183-m-high Cerro Platanar volcano (known locally as Volcán Congo) on the north side of the complex has prehistorical lava flows on its western flanks and is the youngest volcanic center. The highest peak of the complex is 2267-m-high Porvenir volcano, whose summit crater lies 3 km south of Platanar. A thin layer of phreatic ash suggested that an eruption from Platanar occurred within the past few thousand years (Stine and Banks, 1991). The Aguas Zarcas group of nine basaltic cinder cones, located on the north flank of the Platanar-Porvenir complex to as low as 160 m altitude, is in part Holocene in age.
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Smithsonian / GVP volcano information


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