A minor strombolian activity was recorded at the summit crater of Mayon Volcano early Sunday morning, Feb. 15, the Philippine Institute of Volcanology and Seismology (Phivolcs) said. Phivolcs said the activity occurred at 5:20 a.m. and 5:28 a.m. on Feb. 15, and was accompanied by seismic and...
Ash emissions were recorded at Mayon Volcano in Albay and Kanlaon Volcano in Negros Island early Friday, Feb. 13, as the Philippine Institute of Volcanology and Seismology (Phivolcs) reported continued unrest at the two active volcanoes. At Mayon, Phivolcs said grayish ash plumes rose about 50...
Mayon Volcano in Albay continued its eruption on Wednesday, Feb. 11, marking the 37th consecutive day of lava effusion, pyroclastic density currents (PDCs) or “uson,” and rockfall. In an update early Thursday, Feb. 12, the Philippine Institute of Volcanology and Seismology (Phivolcs) reported...
Hot gas, ash, and rock raced down the Mi-isi Gully in Albay on Monday, Feb. 9, as Mayon Volcano produced the largest pyroclastic density currents (PDCs) of its 2026 eruption. In an update early Tuesday, Feb. 10, the Philippine Institute of Volcanology and Seismology (Phivolcs) explained that the...
The largest pyroclastic density current, locally known as “uson,” from Mayon Volcano was recorded on Monday, Feb. 9 at 10:35 a.m., traveling about four kilometers down the Mi-isi Gully, the Philippine Institute of Volcanology and Seismology (Phivolcs) reported. The event is ongoing as of...
The offshore earthquake swarm in Sultan Kudarat appears to be gradually weakening, with fewer tremors recorded per day compared to late January, the Philippine Institute of Volcanology and Seismology (Phivolcs) said on Sunday, Feb. 8. At the height of the swarm, Phivolcs recorded up to 833...
Lava effusion was recorded at the summit crater of Mayon Volcano on Saturday evening, Feb. 7, the Philippine Institute of Volcanology and Seismology (Phivolcs) reported. Phivolcs said the lava effusion was logged at 6:03 p.m., as the volcano’s effusive eruption entered its 32nd consecutive day....
The Philippine Institute of Volcanology and Seismology (Phivolcs) on Friday, Feb. 6 lowered the alert status of Bulusan Volcano from Alert Level 1 to Alert Level 0 after monitoring data showed the volcano had returned to a “normal” state. Bulusan had been under Alert Level 1 since April 28,...
The Philippine Institute of Volcanology and Seismology (Phivolcs) warned of possible lahars and sediment-laden streamflows at Kanlaon Volcano as Tropical Depression Basyang (Penha) is expected to bring heavy to intense rainfall to Negros Island and the rest of the Visayas. In a lahar advisory...
A surge of volcanic sulfur dioxide from Mayon Volcano has pushed emissions to their highest level in 15 years on the 29th day of its effusive eruption, the Philippine Institute of Volcanology and Seismology (Phivolcs) said on Wednesday, Feb. 4. Based on campaign spectrometry measurements this...
The earthquake swarm offshore of Sultan Kudarat, which began on Jan. 19, is producing fewer tremors per day, the Philippine Institute of Volcanology and Seismology (Phivolcs) said on Tuesday, Feb. 3, but warned that strong earthquakes could still occur. Phivolcs said the tremors are generated by...
Mayon Volcano’s effusive eruption continues for the 27th consecutive day, with the generation of incandescent lava flows, pyroclastic density currents (PDC), locally known as “uson,” and rockfalls, the Philippine Institute of Volcanology and Seismology (Phivolcs) reported on Monday, Feb. 2....
