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Santa Isabel

Gunung api perisai · Colombia · 4944 m

Santa Isabel is a small glaciated volcano is seen here from its much larger neighbor to the NE, Nevado del Ruiz. Holocene lava flows fill SW and SE valleys. A small Holocene lava dome was emplaced about 10 km SW of the volcano.
Santa Isabel is a small glaciated volcano is seen here from its much larger neighbor to the NE, Nevado del Ruiz. Holocene lava flows fill SW and SE valleys. A small Holocene lava dome was emplaced about 10 km SW of the volcano. · Foto: Photo by Norm Banks, 1985 (U.S. Geological Survey). · Wikimedia Commons
Tipe
Gunung api perisai
Negara
Colombia
Wilayah
South America Volcanic Regions / Northern Andean Volcanic Arc
Ketinggian
4944 m
Koordinat
4.818, -75.365
Letusan terakhir
-850
Kondisi tektonik
Subduction zone / Continental crust (> 25 km)
Bentuk lahan
Shield
Batuan utama
Andesite / Basaltic Andesite
Ringkasan geologi

Santa Isabel is a small andesitic shield volcano that is dwarfed by its neighbors to the NE (Nevado del Ruiz) and SE (Tolima). Three lava domes occupy the elongated, N-S-trending glaciated summit region, which has two main peaks. Holocene lava flows fill valleys to the SW and SE. A small Holocene lava dome was emplaced at the center of a circular depression about 10 km SW. No historical eruptions are known.

Ringkasan Wikipedia

Ringkasan Inggris

Nevado de Santa Isabel is a shield volcano straddling the boundaries of the Colombian departments of Tolima, Caldas, and Risaralda, being the highest point of the latter. The volcano lies approximately 10 kilometers southwest of the larger Nevado del Ruiz volcano. Santa Isabel is the third highest peak in Los Nevados National Natural Park. It is a relatively flat volcano with three domes of nearly equal elevation.

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Riwayat letusan

Ringkasan (VEI dari waktu ke waktu)
Klik pada bar untuk melihat letusan individu
5500 BCE~5306 BCE · 1 letusan · VEI maks. ?4919 BCE~4725 BCE · 1 letusan · VEI maks. ?3562 BCE~3369 BCE · 1 letusan · VEI maks. ?1044 BCE~850 BCE · 1 letusan · VEI maks. ?5500 BCE4337 BCE3175 BCE2206 BCE1044 BCE

Garis waktu rinci

  1. 850 SMVEI ?Perkiraan geologi
    BCE 850 – Berlangsung
  2. 3550 SMVEI ?Perkiraan geologi
    BCE 3550 – Berlangsung
  3. 4800 SMVEI ?Perkiraan geologi
    BCE 4800 – Berlangsung
  4. 5500 SMVEI ?Perkiraan geologi
    BCE 5500 – Berlangsung

Tautan eksternal

⚠ Untuk referensi saja. Bukan untuk tanggap darurat.