Global Volcanism Program | Image GVP-09132

Botos cone forms the high point of the Poás volcanic massif. It was the eruptive focus prior to about 7,500 years ago, when activity shifted NW to the crater hidden beneath the clouds. The 1-km-wide crater contains a 400-m-wide lake. Photo by S. Mora, 1988 (courtesy of Guillermo Alvarado, Instituto Costarricense de Electricidad).

Botos cone forms the high point of the Poás volcanic massif. It was the eruptive focus prior to about 7,500 years ago, when activity shifted NW to the crater hidden beneath the clouds. The 1-km-wide crater contains a 400-m-wide lake.

Photo by S. Mora, 1988 (courtesy of Guillermo Alvarado, Instituto Costarricense de Electricidad).

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Keywords: crater | crater lake

Poás