MAYON VOLCANO BULLETIN
29 September 2020
08:00 A.M.
Mayon Volcano’s monitoring network did not detect any volcanic earthquake during the 24-hour observation period. Moderate emission of white steam-laden plumes that crept downslope before drifting to the general west was observed. Sulfur dioxide (SO2) emission was last measured at an average of 506 tonnes/day on 20 September 2020. Ground deformation data from Precise Leveling surveys on 12–19 June 2020 indicated slight inflation of the edifice relative to the February 2020 survey. Electronic tilt data also indicated non-steady inflation of the middle to upper edifice that began in late 2019. This follows an inflationary trend that has been recorded by continuous GPS monitoring since the middle of 2019.
DOST-PHIVOLCS would like to remind the public that Mayon Volcano is at Alert Level 1, which means that it is at an 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
#MayonVolcano
https://www.phivolcs.dost.gov.ph/index.php/mayon-volcano-bulletin-menu/10653-mayon-volcano-bulletin-29-september-2020-08-00-a-m
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