PHIVOLCS: (MAYON VOLCANO BULLETIN 31 October 2013 8:00 A.M.) Mayon Volcano’s (13.2500°N, 123.6833°E) seismic network recorded four (4) volcanic earthquakes during the past 24-hour observation period. Moderate emission of white steam plume was observed drifting east-northeast. No crater glow was observed last night. Sulfur dioxide (SO2) emission on 25 October 2013 was measured at an average of 84 tonnes/day. Ground deformation survey (precise leveling) on the 2nd week of August 2013 showed slight inflation of the edifice compared to May 2013 survey, with the volcano still slightly inflated compared to January 2010 baselines. Mayon Volcano’s alert status remains at Alert Level 1, which means that it is at abnormal condition.
Posted on: Thu, 31 Oct 2013 13:20:56 +0000
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