Tag page - PYROCLASTIC DENSITY CURRENT

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...

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...

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...