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MAYON VOLCANO BULLETIN 29 July 2011 8:00 A.M. PDF Print
Thursday, 28 July 2011 22:13

Mayon Volcano’s (13.2500°N, 123.6833°E) seismic network did not detect any volcanic earthquake during the past 24 hours. Steaming activity and crater glow were not observed due to thick clouds that covered the summit. Results of ground deformation survey (precise leveling) conducted last 31 May 2011 to 04 June 2011 showed slight inflation of the volcano’s edifice as compared with 06-10 March survey.

Alert Level 1 remains in effect over Mayon Volcano.  Although this means that no eruption is imminent, it is recommended that the public should not enter the 6-kilometer radius Permanent Danger Zone (PDZ) due to the continuing threat from sudden small explosions and rockfalls from the upper and middle slopes of the volcano. Active stream/river channels and those perennially identified as lahar prone areas in the southern sector should also be avoided especially during bad weather conditions or when there is heavy and prolonged rainfall. DOST-PHIVOLCS is closely monitoring Mayon Volcano’s activity and any new development will be relayed to all concerned.

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