Tag: rockfall events

270 rockfall events, nine volcanic quakes monitored in Mayon in last 24 hours: PHIVOLCS

(Eagle News)–Over 200 rockfall events were monitored in Mayon in the last 24 hours, the Philippine Institute of Volcanology and Seismology said. Apart from the 270 rockfall events, PHIVOLCS said monitored were nine volcanic earthquakes and three pyroclastic density current events. A slow effusion of lava flow from the crater at lengths of 2.8 kilometers and 1.4 kilometers along Mi-si and Bonga gullies was also monitored. A lava collapse along the Basud Gully at a […]

Mayon update: 243 rockfall events monitored in last 24 hours

(Eagle News)–Over 200 rockfall events were monitored in Mayon in the last 24 hours. The Philippine Institute of Volcanology and Seismology said apart from the 243 rockfall events, also monitored were seven dome-collapse pyroclastic density current events and two lava front collapse pyroclastic density current events. Lava flow reaching 2.8 kilometers and 1.3 kilometers long was also detected along Mi-si and Bonga gullies. Lava collapse on both gullies within 3.3 kilometers and four kilometers along […]

7 rockfall events monitored at Mayon in 24 hours; alert level 1 still in place

Volcanic quake, sulfur dioxide emission also monitored (Eagle News)–Seven rockfall events were monitored at Mayon in 24 hours. The Philippine Institute of Volcanology and Seismology said also monitored at the volcano, which remains on alert level 1, were a volcanic earthquake and sulfur dioxide emission. PHIVOLCS said the sulfur dioxide emission was at a below baseline average of 436 tons per day on Oct. 29. “Overall, the Mayon edifice is still inflated with respect to […]