The crater glow (banaag) at Kanlaon Volcano on Wednesday night was faint compared to previous nights, the Philippine Institute of Volcanology and Seismology (Phivolcs) chief said on Thursday, May 14.
So far, the parameters at the volcano are not enough to necessitate raising the alert level from 2 to 3, Phivolcs Director Teresita Bacolcol said.
Kanlaon Volcano recorded 31 volcanic earthquakes and spewed 755 tons of sulfur dioxide from 12 a.m. Wednesday to 12 a.m. Thursday, Phivolcs reported.
Crater glows have been observed at Kanlaon since Sunday evening, but for the second straight day, there were no ash emissions, Bacolcol said.
Phivolcs will continue to monitor the situation at Kanlaon over the next few nights, alongside other parameters, and will analyze the data, she said.
The crater glow is a sign that Kanlaon Volcano remains in a state of unrest and continues to release superheated volcanic gas, she added.
While this is not yet an indication of a major eruption, the public should remain vigilant, avoid the 4-kilometer permanent danger zone, and rely only on official advisories from Phivolcs, Bacolcol said.*
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