Phivolcs notes elevated sulfur dioxide emissions from Mt. Kanlaon | ABS-CBN

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Phivolcs notes elevated sulfur dioxide emissions from Mt. Kanlaon

Phivolcs notes elevated sulfur dioxide emissions from Mt. Kanlaon

ABS-CBN News

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Updated Jun 09, 2024 01:22 AM PHT

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A resident holding an umbrella stands in a lot near their house at the foot of Mount Kanlaon volcano in a village in La Castellana, Negros Occidental on June 4, 2024, a day after the volcano erupted. Ferdinand Edralin, AFPA resident holding an umbrella stands in a lot near their house at the foot of Mount Kanlaon volcano in a village in La Castellana, Negros Occidental on June 4, 2024, a day after the volcano erupted. Ferdinand Edralin, AFP

MANILA -- The Philippine Institute of Volcanology and Seismology (Phivolcs) has monitored elevated volcanic sulfur dioxide (SO2) gas emission from Mt. Kanlaon on Saturday, five days after the volcano's eruption.

The institute said in a statement that the sulfur dioxide (SO2) gas emission from the volcano’s crater averaged 4,397 tons a day, which is "the highest emission this year measured by campaign survey and the second highest land-based measurement for Kanlaon."   

"The volcano has been degassing increased concentrations of volcanic SO2 this year at an average rate of 1,458 tons a day, but emission since the 3 June 2024 eruption has been particularly elevated at a current average of 3,347 tons a day," said Phivolcs.

Phivolcs added that the current unrest, driven by shallow magmatic processes, could eventually lead to explosive eruptions at the summit crater.

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The institute reminded that Alert Level 2 prevails over Kanlaon, which means that the public is advised to avoid the four kilometer-radius Permanent Danger Zone (PDZ) to minimize risks from volcanic hazards.

The hazards include "pyroclastic density currents, ballistic projectiles, rockfall and others."

The public is also advised to cover their nose and mouth with damp, clean cloth or dust mask in case of another ash fall.

Phivolcs also advised communities living beside river systems on the southern and western slopes, especially those that have already experienced lahars and muddy streamflows to take precautionary measures when heavy rainfall over the volcano has been forecast.

"DOST-Phivolcs maintains close monitoring of Kanlaon Volcano and any new development will be immediately communicated to all concerned stakeholders," it said.

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