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Chinameca

Stratovulcano · El Salvador · 1300 m

Chinameca stratovolcano is seen here from the SE near the summit of neighboring San Miguel volcano. A 2-km-wide, steep-sided caldera, Laguna Seca el Pacayal (right-center), truncates the summit of Chinameca volcano. The Holocene cone of Cerro el Limbo (in the partial shade left of the caldera) on the western flank rises to a point above the level of the caldera rim. A group of fumarole fields is located on the north flank of the volcano near the town of Chinameca, and the volcano has been the site of a geothermal exploration program.
Chinameca stratovolcano is seen here from the SE near the summit of neighboring San Miguel volcano. A 2-km-wide, steep-sided caldera, Laguna Seca el Pacayal (right-center), truncates the summit of Chinameca volcano. The Holocene cone of Cerro el Limbo (in the partial shade left of the caldera) on the western flank rises to a point above the level of the caldera rim. A group of fumarole fields is located on the north flank of the volcano near the town of Chinameca, and the volcano has been the site of a geothermal exploration program. · Foto: Photo by Lee Siebert, 1999 (Smithsonian Institution). · Wikimedia Commons
Tipo
Stratovulcano
Paese
El Salvador
Regione
Middle America-Caribbean Volcanic Regions / Central America Volcanic Arc
Altitudine
1300 m
Coordinate
13.478, -88.330
Ultima eruzione
Sconosciuto
Contesto tettonico
Subduction zone / Continental crust (> 25 km)
Forma vulcanica
Composite
Roccia principale
Andesite / Basaltic Andesite
Sintesi geologica

The small Chinameca stratovolcano (also known as El Pacayal) lies across a low saddle abotu 7 km NW of the large San Miguel volcano. A 2-km-wide, steep-sided caldera, Laguna Seca el Pacayal, truncates the summit, whose flanks are covered with coffee plantations. The Holocene cone of Cerro el Limbo on the W flank rises above the level of the caldera rim, and a Holocene lava flow extends from a NNW-flank vent into the lowlands to the N beyond the town of Chinameca (Weber and Weisemann, 1978). A group of fumarole fields on the N flank surrounds the city of Chinameca, and the volcano has been the site of a geothermal exploration program.

Sintesi da Wikipedia

Riassunto in inglese

Chinameca is a stratovolcano in central-eastern El Salvador. It lies north of San Miguel volcano and rises over the town of Chinameca. The volcano is topped by a 2 kilometres (1.2 mi) wide caldera known as Laguna Seca el Pacayal, and a satellite cone on the west side, Cerro el Limbo, rises higher than the caldera rim. Fumaroles can be found on the north side, and it has been the site of a geothermal exploration program.

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