Despite Mayon Volcano's effusive eruption, there is no need yet to raise the volcano's alert status to level 4 according to Philippine Institute of Volcanology and Seismology (Phivolcs) OIC Director Teresito Bacolcol.

During a public briefing on Monday, June 12, Bacolcol explained that while the volcano had an effusive eruption, the alert level cannot be raised yet since they are looking at parameters before deciding to do so.

READ MORE: https://mb.com.ph/1970/1/1/no-need-to-raise-mayon-volcano-to-alert-level-4-yet-after-its-effusive-eruption-phivolcs-chief