Phivolcs lifts alert level on Mt. Bulusan | Inquirer News

Phivolcs lifts alert level on Mt. Bulusan

LEGAZPI CITY – The Philippine Institute of Volcanology and Seismology (Phivolcs) has lifted the alert level on Bulusan Volcano from one to zero, after noting a general decline in volcanic activities.

“This means observational parameters have returned to baseline or background levels and no magmatic eruption is foreseen in the immediate future,” a Phivolcs bulletin released at 8 a.m. said.

Phivolcs said the volcano has returned to normal since its phreatic eruption on June 5, 2017.

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Bulusan’s upper slope has deflated since June 2018, and the frequency of volcanic earthquakes has declined.

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The gas emission has also dropped below detection levels.

Despite the lifting of the alert, Phivolcs said they were strictly prohibiting people from entering the four-kilometer radius Permanent Danger Zone, particularly near the vents on the south-southeastern slopes, due to the possibility of sudden and hazardous steam-driven or phreatic eruption, rockfall and landslide.

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They also advised pilots not to fly close to the volcano’s summit as ash from any sudden phreatic eruption could be hazardous to aircraft.

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TAGS: alert level, Eruption

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