The Philippine Institute of Volcanology and Seismology (Phivolcs) reported that Mayon Volcano logged 389 rockfall events and four volcanic earthquakes over a 24-hour monitoring period from 12 a.m. on Jan. 31 to 12 a.m. on Feb. 1. The agency said Mayon remains under Alert Level 3, indicating...
Mayon Volcano continues to exhibit intensified unrest, producing hundreds of volcanic earthquakes and rockfall events, and pyroclastic density currents, locally known as “uson,” over the past 24 hours, the Philippine Institute of Volcanology and Seismology (Phivolcs) reported on Wednesday, Jan....
Mayon Volcano, which remains under Alert Level 3, recorded 253 rockfall events, one volcanic earthquake, and one episode of ongoing tremor over a 24-hour monitoring period from 12 a.m. on Jan. 24 to 12 a.m. on Jan. 25, the Philippine Institute of Volcanology and Seismology (Phivolcs) said. The...
The Philippine Institute of Volcanology and Seismology (Phivolcs) said Mayon Volcano continued to release incandescent pyroclastic density currents, locally known as “uson,” and rockfalls onto the Miisi, Bonga, and Basud gullies, with thin ashfall observed in Legazpi City and Daraga in Albay on...
Mayon Volcano recorded sustained high activity over a 24-hour period, with the Philippine Institute of Volcanology and Seismology (Phivolcs) recording dozens of pyroclastic density currents (PDCs) and hundreds of rockfall events while Alert Level 3 remains in effect. From 12 a.m. on Jan. 18 to 12...
Mayon Volcano, which remains under Alert Level 3, recorded 235 rockfall events over a 24-hour period from 12 a.m. on Jan. 17 to 12 a.m. on Jan. 18, the Philippine Institute of Volcanology and Seismology (Phivolcs) reported. During the same monitoring period, the agency recorded 48 pyroclastic...
The Philippine Institute of Volcanology and Seismology (Phivolcs) reported increased seismic energy and record-high sulfur dioxide emissions at Mayon Volcano on Friday, Jan. 16, saying the activity could signal further eruptive developments. In an advisory issued at 7:30 p.m., Phivolcs said a...
Mayon Volcano continued to pose hazards to nearby communities as the Philippine Institute of Volcanology and Seismology (Phivolcs) recorded 308 rockfall events and 68 pyroclastic density currents from 12 a.m. on Thursday, Jan. 15, to 12 a.m. on Friday, Jan. 16. Alert Level 3 remains hoisted over...
Continued lava dome growth and lava flow effusion were observed at Mayon Volcano from 12 a.m. on Jan. 14 to 12 a.m. on Jan. 15, the Philippine Institute of Volcanology and Seismology (Phivolcs) said. Phivolcs also recorded a total of 207 rockfall events and 27 pyroclastic density currents, locally...
A brief episode of incandescent lava fountaining was observed at Mayon Volcano early Tuesday, Jan. 13, the Philippine Institute of Volcanology and Seismology (Phivolcs) said. Phivolcs reported that the lava fountain, which reached an estimated height of around 100 meters, occurred at 1:39 a.m. at...
A total of 150 rockfall events were recorded at Mayon Volcano from 12 a.m. on Jan. 9 to 12 a.m. on Jan. 10, as the volcano remains under Alert Level 3, the Philippine Institute of Volcanology and Seismology (Phivolcs) reported. The agency also said it recorded 90 pyroclastic density currents at...
Mayon Volcano continues to exhibit heightened magmatic activity, characterized by persistent lava dome effusion and collapse, according to the Philippine Institute of Volcanology and Seismology (Phivolcs). In the past 24 hours, Phivolcs recorded two volcanic earthquakes, 72 rockfalls, and 100...