Kanlaon Volcano emits fewer sulfur dioxide – Phivolcs

Kanlaon Volcano emits less sulfur dioxide in 24 hours – Phivolcs

/ 09:11 AM July 09, 2025

Kanlaon Volcano emits fewer sulfur dioxide in 24 hours – Phivolcs

Kanlaon Volcano, Photo by Marvin Escander, contributor.

MANILA, Philippines — Kanlaon Volcano on Negros Island released 1,339 tons of sulfur dioxide over the past 24 hours, which is lower than the 1,527 tons recorded the previous day, the state seismology bureau reported on Wednesday.

In its latest 24-hour monitoring report, the Philippine Institute of Volcanology and Seismology (Phivolcs) also said Kanlaon registered four volcanic earthquakes—the same number recorded on Tuesday.

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READ: Kanlaon logs fewer quakes, lower sulfur dioxide emission in 24 hours

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Alert Level 3 remains in effect over the volcano, indicating a high level of volcanic unrest, according to Phivolcs.

The latest report also showed that Kanlaon’s edifice remains inflated, with continuous degassing and intermittent ash emissions observed.

Phivolcs also noted that the volcano generated a voluminous plume that rose 850 meters and drifted southeast. With this, the agency warned the public of potential volcanic hazards, such as:

  • Sudden explosive eruptions
  • Lava flows or effusions
  • Ashfall
  • Pyroclastic density currents
  • Rockfalls
  • Lahars during heavy rainfall

READ: What happens after Kanlaon Volcano eruption? Phivolcs gives 3 scenarios

The agency again reminded residents within a six-kilometer radius of Kanlaon to evacuate the summit area. Flying any aircraft near the volcano is also prohibited./mcm/abc

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