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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) | Reports
Platanar volcano books
Typical eruption style: unspecified
Platanar volcano eruptions: unknown, no recent eruptions
TimeMag. / DepthDistanceLocation
Sun, 19 Aug
Sun, 19 Aug 23:40 UTCM 3.1 / 7 km16 km5 km al Norte de Cascajal, V. de Coronado.
Mon, 13 Aug
Mon, 13 Aug 10:12 UTCM 3.3 / 87 km7 km2 km al Norte de Varablanca, Heredia.
Sat, 11 Aug
Sat, 11 Aug 06:23 UTCM 3.4 / 97 km8 km1 km al Oeste de Varablanca, Heredia.
Wed, 8 Aug
Wed, 8 Aug 21:31 UTCM 3.4 / 77 km20 km9 km al Suroeste de Tigra, San Carlos.
Wed, 8 Aug 10:14 UTCM 2.7 / 80 km3 km7 km al Sureste de Toro Amarillo, Valv. Vega.
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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