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Posts Tagged ‘Mayon update Jan 4’

Mayon: Not Much Happening – Update 4 Jan 2010

Posted by feww on January 4, 2010

Mayon seems to have taken another day off!

Not much is happening on the geophysical from at the volcano. The state vulcanologists told reporters they had not observed in recent rise of magma.

The govt of Albay province said it was allowing some 45,000 people living withing the 7 to 8-km zone from Mayon to return to their homes. However, another 2,000 or so people who live within the 6-km permanent danger zone (PDZ) must stay in the make shift shelters for now.

The provincial governor was quoted as saying that the province was planning to permanently relocate the people who lived in the 6-km PDZ.

It defies the imagination however why those people were allowed to settle in the PDZ in the first place.

Mayon Volcano Bulletin 22 released by PHIVOLCS on 4 January 2010

Mayon Volcano’s (13.2576 N, 123.6856 E) seismic monitoring network  detected 7 volcanic earthquakes and 33 rockfall events related to the detachment of lava fragments at the volcano’s upper slopes. Steaming activity was not observed due to thick clouds that covered the summit crater. Pale crater glow was observed last night. Sulfur Dioxide (SO2) measurement was not conducted yesterday due to rain that occurred over the volcano area.

Alert Level 3 is in effect over Mayon, which means that the 6-km radius Permanent Danger Zone around the volcano and the 7-km Extended Danger Zone on the southeast flank of the volcano should be free from human activity because of sudden explosions that may generate hazardous volcanic flows. People residing close to these danger areas are also advised to observe precautions associated with post-eruption activity, such as rockfalls, pyroclastic flows, and ash fallout which can also occur anytime due to instabilities of lava deposited on steep slopes. Active river channels and those perennially identified as lahar prone in the southern sector should also be avoided especially during bad weather conditions or when there is heavy and prolonged rainfall. Civil aviation authorities must advise pilots to avoid flying close to the volcano’s summit as ejected ash and volcanic fragments from sudden explosions may pose hazards to aircrafts. PHIVOLCS-DOST is closely monitoring Mayon Volcano’s activity and any new significant development will be immediately posted to all concerned.

For previous entries, additional information, photos and links to Mayon Volcano entries see links below:

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