Phivolcs: 826 quakes recorded around Mt. Pinatubo last week but no eruption threat | ABS-CBN

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Phivolcs: 826 quakes recorded around Mt. Pinatubo last week but no eruption threat

Phivolcs: 826 quakes recorded around Mt. Pinatubo last week but no eruption threat

ABS-CBN News

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Updated Jan 27, 2021 03:12 PM PHT

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MANILA (UPDATE) - A total of 826 earthquakes were recorded in the vicinity of Mount Pinatubo in Central Luzon in the past week but the volcano remains in "quiescent" or quiet condition, Phivolcs said Wednesday,

Mount Pinatubo, one of the country's 24 active volcanoes, remains at alert level zero, which means there's "no eruption in foreseeable future," state volcanologists said.

Phivolcs chief Renato Solidum told ABS-CBN News the recent earthquake activity in Mount Pinatubo was "not normal in recent years" and called for vigilance.

"While there is currently no threat from the above recent earthquake activity, communities surrounding the volcano have to be reminded to be always prepared for both earthquake and volcanic hazards," he said.

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The earthquakes were generated along a segment of the Sacobia Lineament, Solidum said. This is a fault that was last active in the wake of the volcano's cataclysmic eruption in June 1991.

"This development serves to remind us once again that several faults occur around the volcano and that these can generate earthquake activity that can be sometimes imperceptible and harmless but that can also sometimes be damaging," Phivolcs said in its advisory.

Since Jan. 20, the Pinatubo Volcano Network and the Philippine Seismic Network have detected 826 imperceptible earthquakes east-northeast of Mount Pinatubo in the vicinity of Mabalacat, Pampanga.

The strongest of these earthquakes occurred on Jan. 25 at a depth of 15 to 18 kilometers, with magnitudes ranging from 1 to 2.5.

In April 2019, a 6.1-magnitude earthquake on the southern foot slopes of Mount Pinatubo struck Central Luzon, which left several people dead and buildings collapsed.

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