Kanlaon Volcano emitted 10,800 tons of Sulfur Dioxide, PHIVOLCS reports
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Kanlaon Volcano, the most active volcano in the central Philippines, continues to show signs of unrest, with the Philippine Institute of Volcanology and Seismology (PHIVOLCS) reporting that it emitted 10,880 tons of sulfur dioxide (SO2) on Thursday. Additionally, 17 volcanic earthquakes were recorded, suggesting a continued build-up of volcanic activity beneath the surface.
Health risks and evacuation measures for affected communities near Kanlaon Volcano in Negros
Although these figures are slightly lower than the 11,556 tons of SO2 emissions and the 79 volcanic earthquakes registered in previous observations, PHIVOLCS emphasized that the volcano remains inflated, indicating ongoing pressure buildup within the edifice.
In a recent advisory, PHIVOLCS also reported that sulfuric fumes have spread to several nearby barangays, raising concerns for residents in close proximity to the volcano. The affected areas include:
- Barangay San Miguel in La Carlota City
- Barangay Pula in Canlaon City
- Barangay Codcod in San Carlos City
- Barangay Inolingan in Moises Padilla
The agency has issued a warning regarding prolonged exposure to SO2 emissions, noting that inhaling sulfur dioxide can cause significant health issues, particularly in vulnerable populations. Prolonged exposure to volcanic gas can lead to irritation of the eyes, throat, and respiratory tract.
People with pre-existing conditions such as asthma, lung disease, and heart disease, along with the elderly, pregnant women, and children, are at heightened risk of adverse effects. To mitigate exposure, residents are advised to cover their mouths and noses with a damp cloth or use face masks when going outdoors.
Evacuation recommendations
In light of the persistent activity, PHIVOLCS has kept Kanlaon Volcano under Alert Level 2. This status reflects an increased state of unrest, signaling the possibility of an eruption. The local population is urged to take precautionary measures, especially those living in the affected areas. Residents in certain barangays have already been advised to evacuate due to the escalating volcanic activity.
Under Alert Level 2, PHIVOLCS prohibits any entry into the four-kilometer Permanent Danger Zone (PDZ) surrounding the volcano. The flying of aircraft close to the volcanic area is also restricted to avoid potential hazards from ash and gas emissions.
Historical eruptions and future outlook
Kanlaon Volcano’s most recent significant eruption occurred on June 3, when a six-minute outburst sent ash plumes soaring up to 5,000 meters into the atmosphere. This was a reminder of the destructive potential of the volcano, which has had a long history of eruptions that impacted the surrounding communities.
PHIVOLCS Director Teresito Bacolcol earlier warned that another eruption could be imminent, following the recent series of volcanic earthquakes. While volcanic activity fluctuates, the continued inflation of the volcano’s edifice suggests that magma is still accumulating beneath the surface.
With the ongoing threat of an eruption, authorities are urging the public, especially those within the PDZ, to remain vigilant and follow official advisories closely. Local governments are prepared to initiate further evacuations if necessary.
ALSO READ: DOH urges residents of affected areas to mask up and gear up amid Kanlaon Volcano eruption
For now, life around Mt. Kanlaon remains in a state of heightened caution. Communities surrounding the volcano are on alert, as they have learned to live with the ever-present risk of volcanic eruptions. As always, the residents of Negros Island rely on the expertise of PHIVOLCS and local authorities to provide timely updates and necessary warnings to ensure their safety.
For the latest updates on the Kanlaon Volcano situation, follow the DOST-PHIVOLCS [Philippine Institute of Volcanology and Seismology] social media pages on Facebook, and on X (formerly Twitter).