FYI: MAYON VOLCANO BULLETIN, 15 September 2014, 8:00 A.M. Mayon Volcano’s (13.2500°N, 123.6833°E) seismic network recorded five (5) volcanic earthquakes and two (2) rock fall events during the past 24-hour observation period. Rain clouds covered the summit preventing visual observation. Sulfur dioxide (SO2) flux was measured at an average of 611 tonnes/day on 02 September 2014. Ground deformation data showed inflationary changes in the edifice from February 2014 based on precise leveling surveys on the 3rd week of August 2014, and edifice inflation from January 2012 baselines based on continuous tilt measurement. All the above data indicate that the volcano may have been experiencing increased volcanic gas emission and slight but persistent swelling due to the intrusion of magma beneath. Mayon Volcano’s alert status has been raised to Alert Level 2, which means that magma has most likely intruded at depth and that current conditions could eventually lead to a larger eruption. The public is strongly advised to be vigilant and to desist from entering the six (6) kilometer-radius Permanent Danger Zone (PDZ) to minimize risks from sudden explosions, rock fall and landslides. PHIVOLCS maintains close monitoring of Mayon Volcano and any new development will be communicated to all concerned stakeholders. APSEMO MS-with Gov Joey Sarte Salceda
Posted on: Mon, 15 Sep 2014 00:17:03 +0000
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