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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
Thu, 7 Jun
Thu, 7 Jun 13:06 UTCM 4.0 / 124 km12 km6 km al Noreste de Fortuna, San Carlos.
Wed, 30 May
Wed, 30 May 05:03 UTCM 2.8 / 111 km8 km4 km al Norte de Fortuna, San Carlos.
Thu, 24 May
Thu, 24 May 23:08 UTCM 3.0 / 82 km7 km7 km al Norte de San Pedro, Poas.
Mon, 21 May
Mon, 21 May 13:39 UTCM 3.8 / 75 km13 km3 km al Este de Zarcero, Alajuela.
Sun, 20 May
Sun, 20 May 05:33 UTCM 2.2 / 7 km26 km1 km al Noroeste de San Ramon, Alajuela.
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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