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Arayat volcano

stratovolcano 1026 m / 3,366 ft
Luzon Island, Philippines, 15.2°N / 120.74°E
Current status: dormant (1 out of 5)
Arayat volcano books
Typical eruption style: explosive & effusive (lava domes)
Arayat volcano eruptions: probably within the past 10,000 years
TimeMag. / DepthDistanceLocation
Tue, 9 Jan
Tue, 9 Jan 15:27 UTCM 2.4 / 7 km39 km009 km N 73
Arayat is a forested stratovolcano above the flat Central Plain of Luzon Island and located NE of Angeles city, Philippines. It belongs to the Eastern Volcanic Chain, which includes Mounts Balungao, Cuyapo, Amorong and Arayat volcanoes.
Mt. Arayat's cone is probably built upon an older crater of 900 m diameter, whose remnants form the northern (1026 m) and southern (920 m) peaks.
There are no known eruptions in historic times, but weak fumarolic activity is present on the NW summit of Arayat volcano.

Background:

A large breached crater on the WNW side was formed by a large debris avalanche that occurred within the past 500,000 years and left a large hummocky deposit in the plain at the W and NW feet the volcano.
Post-collapse volcanic activity formed the White Rock andesitic lava dome inside the collapse scar.


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