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The seismological arm of PAGASA was officially transferred to PHIVOLC [9] on September 17, 1984 through Executive Order No. 984, renaming the institute as the Philippines Institute of Volcanology and Seismology or PHIVOLCS. [10] The NSTA, the umbrella department for PHIVOLCS and PAGASA, became the Department of Science and Technology (DOST) in ...
Eruptions were recorded from 1886 to 2006. On November 23, 2015 the volcano had a small, steam-driven explosion. PHIVOLCS raised the alert level to 1 (mild restiveness). Last eruption was on December 9, 2024 which PHIVOLCS classified as phreatic eruption. Kanlaon ejected about 3 kilometers high column of pyroclastic ash and incandescent materials.
Name Elevation () Coordinates Province(s) Last eruption m ft; Amorong: 376 1,234 Pangasinan Pleistocene: Apo: 2,954 9,692 Cotabato, Davao del Sur unknown possibly 1640s
By 2:30 pm, PHIVOLCS raised the alert status to Alert Level 2, although PHIVOLCS through its Taal Volcano Observatory had advised residents of Volcano Island to evacuate at around 1 pm. [10] Stronger explosions began around 3 pm that spewed an ash column exceeding a kilometer high, prompting PHIVOLCS to upgrade the alert status to Alert Level 3 ...
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On December 9, PHIVOLCS raised the alert level of Kanlaon from level 2 to level 3 after an explosive eruption occurred at the summit vent at 3:03 p.m. The eruption produced a large plume that rose 4,000 metres (13,000 feet) above the vent and drifted west-southwest, with pyroclastic flow moving down the south-southeastern side of the volcano.
The earthquake struck near Davao Oriental early on Thursday morning, August 12. PHIVOLCS earlier listed the earthquake as magnitude 7.3 at a depth of 69 kilometers, then revised its advisory to a magnitude 7.2 earthquake, which occurred at a depth of 50 kilometers.
The earthquake came from an area that produced a similar sequence of earthquakes in October 2019 and December 2019 [citation needed], within an active faulting zone known as the Cotabato fault system, which includes the NW-SE trending Makilala-Malungon, M'lang, North and South Columbio and Tangbulan faults, and the SW-NE trending Makilala and ...