Mt Kanlaon placed on Alert Level 1

Marchel P. Espina

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Mt Kanlaon placed on Alert Level 1
Phivolcs says Mt Kanlaon – the third most active volcano in the Philippines – has 'entered a period of unrest'

BACOLOD CITY, Philippines – The Philippine Institute of Volcanology and Seismology (Phivolcs) announced on Tuesday, November 24, that it has placed Mount Kanlaon in Negros Oriental under Alert Level 1.

In a bulletin, Phivolcs explained that Alert Level 1 means the volcano “is at an abnormal condition and has entered a period of unrest.”

“The local government units and the public are strictly reminded that entry into the 4-kilometer radius Permanent Danger Zone (PDZ) is strictly prohibited due to the further possibilities of sudden and hazardous steam-driven or phreatic eruptions,” Phivolcs said.

It also said that civil aviation authorities must advise pilots to avoid flying close to the volcano’s summit.

Phivolcs said that an 8-minute steam explosion from Kanlaon’s summit crater was seen at around 9:55 pm, Monday, November 23.

“The event was recorded by the Kanlaon Volcano seismic network as an explosion signal beginning at 9:30 pm and lasted 30 minutes. The explosion produced a 1.0-1.5 kilometer-high white plume above the summit before drifting towards the southwest,” it said.

A rumbling sound was heard in Sitio Mananawin and Sitio Upper Pantao, Barangay Pula, Canlaon City, according to Phivolcs.

Phivolcs said that only 4 volcanic earthquakes had been recorded during the past week by the Kanlaon network, but after the explosion, the network recorded volcanic tremors that lasted for 5 hours. Continuous emission of steam with minor ash from the summit crater was observed Tuesday.

Mt Kanlaon is the third most active volcano in the Philippines, after Mayon Volcano and Taal Volcano. (READ: MAP: Active volcanoes in the Philippines) – Rappler.com

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