PHIVOLCS warns vs lahar, muddy streamflows at Taal, Mayon, Pinatubo

3 weeks ago

(Eagle News)–The Philippine Institute of Volcanology and Seismology on Sunday said “Rolly” may generate volcanic sediment flows or lahar and muddy streamflows in Pinatubo, Taal and Mayon.

In its lahar advisory, PHIVOLCS said this was due to the “current severe intensity and potentially high-volume rainfall” brought by the super typhoon, which has made its second landfall over Tiwi, Albay.

PHIVOLCS said the lahar “can threaten communities downstream of the above channels with inundation, burial and wash away.”

PHIVOLCS said sediment-laden streamflows may occur along the Miisi, Binaan, Anoling, Quirangay, Maninila, Masarawag, Muladbucad, Nasisi, Mabinit, Matan-ag, and Basud Channels in Albay Province.

Pinatubo lahar is likely “channel-confined” and may occur on the upper to middle reaches of the Sto. Tomas- Marella and Bucao River systems, and affect adjacent communities of San Marcelino, San Narciso, San Felipe and Botolan, Zambales Province, PHIVOLCS said.

The muddy streamflow and muddy runoff around Taal Volcano may occur particularly on the slopes west of Taal Lake.

“In particular, muddy streamflow and runoff can recur on previously affected communities of Agoncillo and Laurel, Batangas Province,” PHIVOLCS said.

PHIVOLCS advised communities and local government units to “continually monitor the typhoon conditions and take pre-emptive response measures for their safety from “Rolly.”

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Agila Pilipinas – Eagle News


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