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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
Mon, 19 Feb
Mon, 19 Feb 08:30 UTCM 3.0 / 84 km23 km6 km al Sur de Tigra, San Carlos.
Sun, 18 Feb
Sun, 18 Feb 09:51 UTCM 3.2 / 3 km6 km6 km al Norte de Toro Amarillo, Valv. Vega.
Mon, 5 Feb
Mon, 5 Feb 07:18 UTCM 3.9 / 6 km7 km4 km al Noreste de Toro Amarillo, Valv. Vega.
Thu, 25 Jan
Thu, 25 Jan 08:44 UTCM 3.6 / 78 km11 km3 km al Norte de San Rafael, Heredia.
Tue, 23 Jan
Tue, 23 Jan 10:28 UTCM 2.8 / 63 km31 km3 km al Sur de Arancibia, Puntarenas.
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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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