Mayon alert level raised to 4

Monday, January 22, 2018

800 — AP A huge column of ash shoots up to the sky during the eruption of Mayon volcano on Monday, Jan. 22 as seen from Legazpi City, Albay.

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BY ADRIAN STEWART CO
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January 22, 2018
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A huge column of ash shoots up to the sky during the eruption of Mayon volcano on Monday, Jan. 22 as seen from Legazpi City, Albay. AP

MANILA – Authorities raised the alert level at the restive Mayon volcano in Albay province to 4, which means a hazardous eruption is imminent.

This was after an ash cloud towered over the 2,460-meter volcano at 12:45 p.m. on Monday.

“Iyong pagsabog ay hindi purely magmatic kundi phreatomagmatic dahil may puting usok at may halong tubig,” Philippine Institute of Volcanology and Seismology (Philvolcs) chief Renato Solidum told a news conference.

“Kapag masyadong matindi ang pag-ulan, puwedeng magka-landslide.” Alert level 4 is characterized by “intense unrest,” a Phivolcs table of alert levels at Mayon volcano showed.

It includes persistent tremor, many low frequency-type earthquakes; sulfur dioxide emission level showing sustained increase or abrupt decrease; intense crater glow; and incandescent lava dome, lava fountain and lava flow in the summit.

At this level a “hazardous eruption is possible within days,” and Phivolcs would recommend the extension of the danger zone to 8 kilometers or more “in the sector where the crater rim is low.”/PN
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