• Increased seismic activity recorded at Bulusan volcano, Philippines

    A total of 49 volcanic earthquakes were recorded at Bulusan Volcano in Sorsogon Province, Philippines, between 03:00 LT on February 26 and 11:00 LT on March 2, 2026, prompting authorities to issue an advisory on increased seismic activity. Sixteen of the events were classified as volcano-tectonic earthquakes occurring at depths of 3–6 km (1.9–3.7 miles) beneath the northern and southeastern flanks of the volcano. Alert Level 0 remains in effect, but officials warn of a possible sudden phreatic eruption.

  • PHIVOLCS raises alert status of Bulusan volcano, Philippines

    The Philippine Institute of Volcanology and Seismology has raised the alert status of Bulusan volcano from Alert Level 0 (normal) to Alert Level 1 (abnormal) on July 6, 2020. The decision was made due to increased seismic activity under the volcano. Bulusan's…

  • Bulusan volcano alert level raised, Philippines

    The Philippine Institute of Volcanology and Seismology (PHIVOLCS) raised the alert level of Bulusan Volcano, the southernmost volcano on Luzon Island in the Republic of the Philippines, from Alert Level 0 (normal) to Alert Level 1 (abnormal). The local government…

  • Small phreatic eruption at Bulusan volcano, Philippines

    A minor phreatic eruption took place at Bulusan volcano, Luzon, Philippines at 14:29 UTC (22:29 local time) on June 5, 2017. The last eruption of this volcano, also phreatic, took place on March 2, 2017. Based on the seismic record, the eruption lasted approximately…