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Central America Volcanic Arc

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Central America Volcanic Arc

Map of the Central America volcanic arc, with captions showing the location of several volcanoes - in the Mexico/Guatemala border: Tacaná; in Guatemala: Tajumulco, Santa Maria, Chicabal, Tolimán, Atitlán, Volcán de Fuego, Volcán de Agua, Pacaya, Chingo; in El Salvador: Apaneca Range, Chinchontepec or San Vicente, Chaparrastique or San Miguel, Chinameca and Conchagua; in Nicaragua: Cosiguina, Telica, Cerro Negro, Momotombo, Chiltepe, Mombacho and Concepción; in Costa Rica: Orosí, Rincón de la Vieja, Miravalles, Arenal, Barva, Turrialba and Irazú; in Panama: Barú and La Yeguada.

The Central America Volcanic Arc (often abbreviated to CAVA) is a chain of volcanoes which extends parallel to the Pacific coast line of the Central American Isthmus, from Guatemala, El Salvador, Honduras, Nicaragua, Costa Rica, and down to northern Panama. This volcanic arc, which has a length of 1,500 kilometres (930 mi),[1][2] is formed by an active subduction zone along the western boundary of the Caribbean Plate.

The Central America Volcanic Arc includes hundreds of volcanic formations, ranging from major stratovolcanoes, to lava domes and cinder cones. Some of these have produced large explosive eruptions, like the colossal VEI 6 eruption of the Santa Maria volcano in 1902. Central America's highest volcanoes are found in Guatemala and include the Tajumulco and Volcán Tacaná, both above 4,000 meters. Several volcanoes in Central America are currently active, including Arenal, Turrialba, Irazú, Poás in Costa Rica; Cerro Negro, San Cristóbal, Concepción in Nicaragua; Chaparrastique or San Miguel, Ilamatepec or Santa Ana, Izalco in El Salvador; Santa Maria/Santiaguito, Pacaya, Fuego in Guatemala.

Notes

  1. ^ García, 2007: 13
  2. ^ Rose et al. (1999:2) mention an arc length of 1,100 km.

References

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