Mayon Watch: Lahar (Part 3 of a series)

It only takes 40 millimeters of sustained, heavy rain for an hour and a half for lahar to occur and if Albay experiences scattered rainshowers due to the tail-end of a cold front just like last weekend, there is a high possibility of lahar.

Renato Solidum, Philippine Institute of Volcanology and Seismology (Phivolcs) director, said that even if a river channel has old volcanic deposits, rainwater may still plow those deposits, causing lahar.




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