MAYON VOLCANO BULLETIN 22 April 2014 8:00 A.M. Mayon Volcano’s (13.2500°N, 123.6833°E) seismic network did not detect any volcanic earthquake during the past 24-hour observation period. Moderate emission of white steam plumes was observed that drifted southwest to west-northwest. No crater glow was observed last night.·Sulfur dioxide (SO2) flux was measured at an average of 595 tonnes/day on 04 April 2014. Geodetic results from ground deformation survey (precise leveling) on the 3rd week of February 2014 showed deflationary changes in the edifice from November 2013 and a return to 2010 baselines. Nonetheless, tilt data show that the edifice is still inflated compared to January 2012 baselines. Mayon Volcano’s alert status remains at Alert Level 1, which means that it is at abnormal condition. Although this means that presently no magmatic eruption is imminent, it is strongly advised that the public refrain from entering the 6-kilometer radius Permanent Danger Zone (PDZ) due to the perennial life-threatening dangers of rockfalls, landslides/avalanches at the middle to upper slope, sudden ash puffs and steam-driven or phreatic eruptions from the summit. Active stream/river channels and those identified as perennially lahar-prone areas on all sectors of the volcano should also be avoided especially during extreme weather conditions when there is heavy and prolonged rainfall. DOST-PHIVOLCS maintains its close monitoring of Mayon Volcano and any new development will be communicated to all concerned stakeholders. DOST-PHIVOLCS APSEMO MS
Posted on: Tue, 22 Apr 2014 00:02:30 +0000
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