THE Philippine Institute of Volcanology and Seismology (Phivolcs) on Tuesday announced the lowering of Bulusan Volcano’s alert level status from level 1 to 0 (normal).
The volcano in Sorsogon province has returned to normalcy, the Phivolcs reported.
Since the third week of August, the average volcanic earthquakes in Bulusan were 0 to 5, Phivolcs said.
The agency said sulfur dioxide emission has been low, averaging 76 tons a day since alert level 1 was hoisted on Oct. 25, 2023.
Most monitored springs have exhibited decreases in acidity, temperature and diffuse carbon dioxide, the Phivolcs added.
“These parameters indicate that input from the shallow hydrothermal system has remained within background levels and that there has been no input from deep magma sources,” it said.