13 June 2006, 11:30 PM
Bulusan Volcano (12° 46.2’N, 124° 03’E) exploded at 7:04 PM today. The explosion produced an ash and steam cloud, which rose to about 1.5 kilometers above the volcano’s summit and drifted northwest of the volcano. Heavy ashfall (at least 7. 0 mm thick) affected Barangays Aroroy, Mabini and Añog (in Juban) while ashfall up to 1.0 mm thick affected Barangay Bacolod and south of Poblacion of Juban. Traces of ash deposits were noted in Barangay San Juan of Casiguran. The ash explosion was recorded for about 13 minutes by all monitoring stations around the volcano although no volcanic earthquake preceded the explosion event.
As noted previously, Bulusan Volcano is producing more frequent outbursts in the past weeks. Alert Level 2 therefore remains in effect, which means that the area within four (4) kilometers of the summit is strictly off-limits. Ashfall from subsequent eruptions is generally expected to affect the northern portions of the volcano due to prevailing wind patterns. As before, additional precautions should be observed for areas near river channels because ash and other loose deposits from the upper slopes may be remobilized into hazardous lahars and similar volcanic flows.
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