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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
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 ...
The Philippine Institute of Volcanology and Seismology raised the alert level indicating that a “magmatic eruption” may have started and could progress to more explosive eruptions.
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.
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.
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.
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 ...
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 ...