Mayon Volcano logs 340 rockfall events in past 24 hrs -- PHIVOLCS

A total of 340 rockfall events were recorded at Mayon Volcano from midnight Monday, January 19, to midnight Tuesday, January 20, the Philippine Institute of Volcanology and Seismology (PHIVOLCS) said.

Mayon Volcano logs 340 rockfall events in past 24 hrs -- PHIVOLCS

A total of 340 rockfall events were recorded at Mayon Volcano from midnight Monday, January 19, to midnight Tuesday, January 20, the Philippine Institute of Volcanology and Seismology (PHIVOLCS) said.