LOOK: Superheated volcanic gas or 'banaag' at Kanlaon Volcano's crater

State volcanologists on Sunday night shared close-up photos of superheated volcanic gas from the crater of Kanlaon Volcano on Negros Island.

The photos were taken via captured via DSLR camera from Kanlaon Volcano Observatory – Canlaon City station at 11:40 pm of Saturday, May 9 and 7:03 p.m. of Sunday, May 10.

The Philippine Institute of Volcanology and Seismology (PHIVOLCS) explained that while “superheated volcanic gas plumes have been recorded since 2024, only tonight has it become visible to the naked eye, a phenomena called crater glow or ‘banaag.’”

The agency advised the public to stay alert for further advisories from PHIVOLCS.

PHIVOLCS recorded 18 volcanic earthquakes at Kanlaon Volcano on Friday and observed the emission of 2,062 tonnes of sulfur dioxide.

In recent days, the volcano has been spewing ash as well.

Alert Level 2, or increased unrest, remains in effect over the volcano. Entry into its four-kilometer Permanent Danger Zone (PDZ) is not allowed. — JMA, GMA News