Volcanic activity report for Bulusan (Philippines), 31 May-6 June 2017
SIGVP
Source: Philippine Institute of Volcanology and Seismology (PHIVOLCS)
Observed
PHIVOLCS reported that a minor phreatic eruption at Bulusan occurred at 1029 on 5 June and was recorded by the seismic network for 12 minutes. The eruption could not be visually observed due to dense weather clouds covering the summit. Minor ashfall, a sulfuric odor, and rumbling sound were reported in barangays Monbon and Cogon in Irosin, while sulfuric odor was noted in barangay Bolos, Irosin. The Alert Level remained at 1, indicating abnormal conditions and a 4-km-radius Permanent Danger Zone (PDZ).