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Usulután

Usulutan

Stratovulcano · El Salvador · 1449 m

Usulután rises above the Pacific coastal plain at the SE end of a cluster of volcanoes between San Vicente and San Miguel. Several valleys have formed on the flanks of, including the one seen in this view of the SW flank. The rounded peak to the left is Cerro Oromontique on the flank of El Tigre volcano.
Usulután rises above the Pacific coastal plain at the SE end of a cluster of volcanoes between San Vicente and San Miguel. Several valleys have formed on the flanks of, including the one seen in this view of the SW flank. The rounded peak to the left is Cerro Oromontique on the flank of El Tigre volcano. · Foto: Photo by Lee Siebert, 1999 (Smithsonian Institution). · Wikimedia Commons
Tipo
Stratovulcano
Paese
El Salvador
Regione
America Centrale e Caraibi / Central America Volcanic Arc
Altitudine
1449 m
Coordinate
13.419, -88.471
Ultima eruzione
Sconosciuto
Contesto tettonico
Subduction zone / Continental crust (> 25 km)
Forma vulcanica
Composite
Roccia principale
Basalt / Picro-Basalt
Sintesi geologica

Usulután volcano anchors the SE end of a cluster of basaltic to basaltic andesite stratovolcanoes between San Vicente and San Miguel volcanoes. The flanks of the forested volcano are dissected, but youthful lava flows are present on its southern flanks. The younger summit rocks of Usulután and the Cerro Nanzal pyroclastic cone on the lower SE flank were mapped as Holocene (Weber and Wiesemann, 1978). A broad 1.3-km-wide crater is breached to the E from the summit to its lower flank.

Storia delle eruzioni

Cronologia dettagliata

Nessuna registrazione di eruzioni disponibile.

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⚠ Solo a scopo informativo. Non adatto a situazioni di emergenza.