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The U.S. Geological Survey (USGS) said a pyroclastic flow contains hot lava, pumice, ash and other volcanic gases that move at high speeds down the slopes of volcanoes. PHIVOLCS raised the alert ...
MANILA (Reuters) -The alert level has been raised at a volcano in the central Philippines after it erupted, sending a 5-kilometre (3.1-miles) high ash cloud into the sky, the country's seismology ...
To help prevent harm when living or working on or near a volcano, countries have adopted classifications to describe the various levels and stages of volcanic activity, the two main volcano warning systems being colour codes and/or numeric alert levels. [7] United States Alert System; Indonesia Alert System [8] Russia; Alaska Alert System
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 m (13,000 ft) above the vent and drifted west-southwest, with pyroclastic flow moving down the south-southeastern side of the volcano.
Villagers living within a 6-kilometer (3.7-mile) radius of Mayon volcano’s crater were told to leave the long-designated permanent danger zone and move to safer grounds due to the danger of ...
PHIVOLCS Observatory at Mount Hibok-Hibok.. The Philippine Institute of Volcanology and Seismology (PHIVOLCS, Tagalog:; Tagalog: Surian ng Pilipinas sa Bulkanolohiya at Sismolohiya [2]) is a Philippine national institution dedicated to provide information on the activities of volcanoes, earthquakes, and tsunamis, as well as other specialized information and services primarily for the ...
The Philippines' Kanlaon volcano erupted for nearly four minutes, shooting ash 2.5 miles into the sky and prompting the emergency evacuation of some 87,000 people.
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.