Saturday, January 27, 2007

Bulusan volcano spits out ashes again!

The Philippine Institute of Volcanology and Seismology (Phivolcs) said that another ash explosion occurred yesterday morning at the summit crater of Bulusan volcano in Sorsogon province which produced ash column that rose up to One kilometer above its crater before drifting to the southwest direction.

According to its latest bulletin issued 12:00 Noon yesterday by Phivolcs Bulusan observatory said that their seismic instruments earlier recorded a total of 38 high frequency and two low frequency volcanic earthquakes during the past 24 hours before the 10::18 AM ash explosion.

The bulletin said that their seismic instrument recorded that the ash explosion lasted for about Six minutes.

Phivolcs said that prior to the explosion, seismic activity was observed to at high level and warned that yesterday’s ash explosion may signal another episode of eruptions similar to the one that took place during the period between March and October last year.

Phivolcs sais that Alert Level 1 remains in effect over the volcano, meaning people are barred from venturing within the four-kilometer permanent danger zone of the volcano.

Earlier a 10-minute ash explosion occurred at 10:06 p.m. last Wednesday although there was no visual observation due to thick clouds covering the summit area of the volcano.

Ash falls were observed at the southwest portion of the volcano at the villages of Cogon, Monbon, San Benon, Gulang-Gulang and Tinampo, including Sitio Omagom, in Irosin town.

Meanwhile, Phivolcs warned villagers living in areas beyond the four kilometer permanent danger zone to take precautions against ash falls during sudden explosions.

Phivolcs also warned residents living near river/ stream channels around the volcano should also be on alert against life-threatening volcanic flows/ lahars because ash and other loose volcanic deposits may be remobilized during bad weather conditions or when there is heavy and prolonged rainfall.

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