Kanlaon Volcano, located on Negros Island, Philippines, continues to show significant unrest, registering five ash emission events and 12 volcanic earthquakes within the past 24 hours. According to the Philippine Institute of Volcanology and Seismology (Phivolcs), these ash emissions lasted between eight and 56 minutes, producing moderate plumes that rose up to 300 meters above the summit and drifted westward.
Recent Volcanic Activity in Detail
Ash Emissions and Volcanic Tremors
The ash emissions occurred intermittently, signaling elevated volcanic activity. In addition, the volcano recorded 12 earthquakes over the same period, highlighting intensified movement within its magma system.
Sulfur Dioxide Levels
Between midnight Monday and midnight Tuesday, Kanlaon Volcano emitted a staggering 4,114.9 tons of sulfur dioxide (SO2), indicative of substantial degassing from its magma chamber.
Kanlaon Alert Level 3: What It Means
Kanlaon remains under Alert Level 3, indicating heightened magmatic activity that could lead to sudden hazardous eruptions. Phivolcs issued precautionary measures, including:
- Evacuation within a 6-kilometer radius: This exclusion zone, called the Permanent Danger Zone (PDZ), aims to safeguard residents from volcanic hazards.
- Aircraft restrictions: Pilots are strongly advised to avoid flying near the volcano due to ash and potential explosive eruptions.
Potential Hazards Under Alert Level 3
Phivolcs warns that under Alert Level 3, Kanlaon Volcano may produce:
- Sudden explosive eruptions
- Lava flows
- Ashfall
- Pyroclastic density currents (PDCs)
- Rockfalls
- Lahars during heavy rainfall
Ground Deformation and Implications
Phivolcs has reported an abrupt increase in ground deformation, particularly inflation or swelling of the volcano’s eastern edifice. This deformation has been ongoing since January 10, signifying pressurization within the shallow magma conduit.
In a recent advisory, Phivolcs noted:
“The overall parameters may indicate that the shallow magma conduit of the volcano is undergoing pressurization that may lead to an eruption.”
This heightened activity is reminiscent of the December 9 eruption last year, which occurred without much warning.
How Residents Can Stay Safe
To mitigate risks:
- Adhere to evacuation orders for areas within the 6-kilometer radius of the summit.
- Avoid hiking, farming, or any activities near the volcano.
- Stay informed through official updates from Phivolcs and local authorities.
FAQs About Kanlaon Volcano’s Unrest
What is Kanlaon Volcano known for?
Kanlaon Volcano, the highest peak on Negros Island, is an active stratovolcano and part of the Pacific Ring of Fire. It is one of the most active volcanoes in the Philippines.
What is the significance of sulfur dioxide emissions?
SO2 emissions are a key indicator of volcanic activity. Elevated SO2 levels suggest magma is near the surface, increasing the likelihood of eruptions.
How does ground deformation affect volcanic activity?
Inflation or swelling often signals magma movement, which can lead to eruptions if pressure continues to build.
Responsible Travel and Safety Reminders
- Travelers and adventurers should avoid Kanlaon’s vicinity during its unrest phase.
- If you reside near the volcano, have an emergency kit and evacuation plan ready.
Disclaimer: This article aims to inform and should not replace official advisories from Phivolcs or local government units.
By monitoring developments and adhering to safety guidelines, communities can reduce risks and stay safe during Kanlaon Volcano’s unrest.
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