Largest uson logged in Mayon - PHIVOLCS
The largest pyroclastic density current (PDC) or uson in Mayon Volcano was generated on Monday morning, the Philippine Institute of Volcanology and Seismology (PHIVOLCS) said.
The largest pyroclastic density current (PDC) or uson in Mayon Volcano was generated on Monday morning, the Philippine Institute of Volcanology and Seismology (PHIVOLCS) said.
