The Daily Tribune
Bulusan shows signs of unrest
The Philippine Institute of Volcanology and Seismology (Phivolcs) recorded fifty volcanic earthquakes at Bulusan Volcano in Sorsogon between Saturday, May 24, and Sunday, May 25, indicating unrest.
Bulusan Volcano also emitted 438 tons of sulfur dioxide on Friday, May 23, and produced plumes that reached 100 meters high.
The volcano's edifice remains inflated, suggesting magma accumulation beneath the surface.
Phivolcs warned of potential sudden steam-driven or phreatic eruptions.
Entry into the 4-kilometer radius Permanent Danger Zone, entry without vigilance into the Extended Danger Zone, and flying aircraft close to the volcano remain prohibited.
Bulusan last erupted on April 28, prompting Phivolcs to raise the alert level to 1, indicating low-level volcanic unrest.
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