Usulután

Usulutan

Stratovolkan · 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. · Foto: Photo by Lee Siebert, 1999 (Smithsonian Institution). · Wikimedia Commons

Tipe: Stratovolkan
Negara: El Salvador
Wilayah: Middle America-Caribbean Volcanic Regions / Central America Volcanic Arc
Ketinggian: 1449 m
Koordinat: 13.419, -88.471
Letusan terakhir: Tidak diketahui
Kondisi tektonik: Subduction zone / Continental crust (> 25 km)
Bentuk lahan: Composite
Batuan utama: Basalt / Picro-Basalt

Ringkasan geologi

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.

Ringkasan Wikipedia

Ringkasan Inggris

Usulután is a stratovolcano in central El Salvador, rising above the coastal plain between the San Vicente and San Miguel volcanoes, and just east of Taburete volcano. The volcano is topped by a 1.3 kilometres (0.8 mi) wide summit crater which is breached to the east.

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