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Monte Isarog

Isarog

Stratovulcano · Philippines · 1966 m

Mount Isarog is seen in the background to the NW beyond the lower flanks of Iriga volcano in the foreground. It occupies the broad isthmus between Lagonoy Gulf and San Miguel Bay. The summit contains a large crater with a deep and narrow notch on the lower eastern flank.
Mount Isarog is seen in the background to the NW beyond the lower flanks of Iriga volcano in the foreground. It occupies the broad isthmus between Lagonoy Gulf and San Miguel Bay. The summit contains a large crater with a deep and narrow notch on the lower eastern flank. · Foto: Photo by Chris Newhall (U.S. Geological Survey). · Wikimedia Commons
Tipo
Stratovulcano
Paese
Philippines
Regione
Pacifico occidentale / Eastern Philippine Volcanic Arc
Altitudine
1966 m
Coordinate
13.658, 123.380
Ultima eruzione
-3500
Contesto tettonico
Subduction zone / Continental crust (> 25 km)
Forma vulcanica
Composite
Roccia principale
Andesite / Basaltic Andesite
Sintesi geologica

The broad isthmus between Lagonoy Gulf and San Miguel Bay in SE Luzon is occupied by Mount Isarog. The andesitic stratovolcano is truncated by a 2.5-km-wide crater that is breached to the east along a narrow valley drained by the Quinarag River. A major debris avalanche deposit extends NW to the coast and into San Miguel Bay. Pyroclastic flows originating from lava dome collapses have occurred during the Holocene, one of which has a calibrated radiocarbon date of about 5,500 years BP. The Maalsom vent displays gas seepages, warm springs, and steaming vents.

Storia delle eruzioni

Riepilogo (VEI nel tempo)
Fai clic su una barra per vedere le singole eruzioni
3500 BCE~3500 BCE · 1 eruzioni · VEI max. ?3500 BCE3500 BCE3499 BCE3499 BCE3499 BCE

Cronologia dettagliata

  1. 3500 a.C. (±125 anni)VEI ?Stima geologica
    BCE 3500 – In corso

Link esterni

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