PHIVOLCS: Uson, rockfall observed on Mayon Volcano
Several incandescent lava collapse-fed pyroclastic density currents (PDC) or “uson” and rockfall were observed on Mayon Volcano Thursday evening, the Philippine Institute of Volcanology and Seismology (PHIVOLCS) reported.
REXSON PENEYRA
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Several incandescent lava collapse-fed pyroclastic density currents (PDC) or “uson” and rockfall were observed on Mayon Volcano Thursday evening, the Philippine Institute of Volcanology and Seismology (PHIVOLCS) reported.
