PHIVOLCS-DOST: Mayon Volcano update as of 03 April, 2018 - PH Trending

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Tuesday 3 April 2018

PHIVOLCS-DOST: Mayon Volcano update as of 03 April, 2018


Mayon Volcano’s seismic monitoring network recorded three (3) volcanic earthquakes during the past 24 hours. Moderate emission of white steam-laden plumes that rose up to 750 meters before drifting west-northwest, northwest and southwest occurred throughout the day. Fair to faint crater glow from the summit could be observed at night. Sulfur dioxide (SO2) emission was measured at an average of 991 tonnes/day on 02 April 2018. Medium-term deflation has been recorded by electronic tiltmeter since 20 February 2018 despite short-term episodes of inflation at the lower and middle slopes. Precise leveling data obtained on 22-29 March 2018 indicate deflation of the edifice relative to the 10-19 March 2018 surveys. However, overall ground deformation data indicate that the edifice is still inflated relative to pre-eruption baselines. 

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