TOPICAL PHILIPPINES
Volcanoes
MOUNT ISAROG
Mount Isarog is a POTENTIALY ACTIVE stratovolcano; the last eruptio date is 3500BC.
Mount Isarog volcano is located in the province of Camarines Sur on the island of Luzon. The volcano has an elevation of 1966m and is truncated by a 2.5km wide crater that is breached to the east along a narrow valley drained by the Quinarag River.
A major debris avalanche deposit extends northwest 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 5500 years Before Present.
Currently the Maalsom vent displays gas seepages, warm springs, and steaming vents.
Mt Isarog has a rich diversity and is a protected area in which an number of endemic animals can be found.
St. Raphael, The Archangel Parish, Bicentennial #xxx and xxx, 24 October 2019
First Day Cover
St. Raphael, The Archangel Parish, Bicentennial #xxx and xxx, 24 October 2019