STILL ROADING | The Mayon volcano continuously generates currents of pyroclastic density and lava flow, as seen in this photo at 5:40 pm on Monday, July 10, 2023, in Daraga, Albay. The Philippine Institute of Volcanology and Seismology recorded increased activity on Monday morning due to the collapse of the lava dome. (Photo provided by DENNIS MIRABUENO)
MANILA, Philippines — State seismologists said Friday that Mayon recorded five volcanic earthquakes and 361 rockfalls from 5:00 a.m. July 13 to 5:00 a.m. July 14.
The Philippine Institute of Volcanology and Seismology (Phivolcs) also said in its latest bulletin that Mayon had seven pyroclastic density currents (PDCs) generated by the collapse of a dome and lava front during its last 24-hour monitoring.
READ: Increased pyroclastic flow observed in Mayon
PDC refers to mixtures of fragmented volcanic particles, hot gases, and ash that rush down the slopes of the volcano or rush out of a vent at high velocities.
READ: LIVE UPDATES: Mayon Volcano
The previous 24-hour observation period showed that Mayon recorded 10 PDCs, three volcanic earthquakes, and 286 rockfall events.
Phivolcs raised the alert level for Mayon volcano to 3 from June 8. His officials also said Mayon’s concern may last for several months.
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