Mayon now on alert level 2--PHIVOLCS

The Philippine Institute of Volcanology and Seismology (PHIVOLCS) has raised the alert level of Mayon Volcano from 1 to 2 this afternoon.

According to the 1:00 PM bulletin, "[t]his means that magma is intruding at depth and that current conditions may eventually lead to a larger eruption."

"The public is strongly advised to be vigilant and desist from entering the six (6) kilometer-radius Permanent Danger Zone (PDZ) to minimize risks from sudden explosions, rockfall and landslides," the announcement cautioned.

"Visual observation of Mayon Volcano’s summit crater on 12 August 2014 revealed the growth of a new lava dome approximately 30m-50m high. This event was preceded by inferred low-volume intrusions, signified by: (a) episodes of very slight inflation or swelling of the middle slopes of the edifice since the 7 May 2013 phreatic eruption, based on Precise Leveling, continuous tilt and continuous GPS measurements, and; (b) significant increases in SO2 flux beyond the baseline level of 500 tonnes/day, based on campaign and continuous gas measurements for the past two months. Other monitored parameters such as the occurrence of volcanic earthquakes and rockfall, however, have remained at baseline levels, while almost no crater glow or banaag has been detected in the last four months," the bulletin reads.

Meanwhile, the PDRRMC-Albay advised the public to refrain from mountain climbing, ATV-riding beyond lava fronts, and orchid-picking and vegetable-harvesting in the 6-kilometer Permanent Danger Zone radius.

The C/MDRRMCs and BDRRMCs of the Cities of Ligao, Legazpi and Tabaco and the Municipalities of Daraga, Camalig. Guinobatan, Sto. Domingo, Malilipot are likewise directed to submit to the PDRRMC through the APSEMO the number of families and individuals still residing within the 6-kilometer Permanent Danger Zone.

Earlier this month, the NDRRMC raised alert level 1 when it observed that the volcano was "at abnormal conditions."--BICOLSTANDARD.COM

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