Mount Bulusan update: Fewer volcanic quakes in last 24 hours; Alert Level 1 stays
MANILA, Philippines — Mount Bulusan in Sorsogon had 15 volcanic earthquakes in a 24-hour period, the Philippine Institute of Volcanology and Seismology (Phivolcs) reported on Saturday.
The 15 volcanic tremors were recorded from July 1, 5 a.m. to July 2, 5 a.m. The figure is lower than the 25 volcanic earthquakes logged a day before.
The restive volcano, which remains under Alert Level 1 or low-level unrest, emitted 724 tons of sulfur dioxide during the same period.
Sudden steam-driven or phreatic eruptions may still occur, Phivolcs warned.
Phivolcs advised the public to keep off the four-kilometer radius permanent danger zone.