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The Philippines' Mayon Volcano spewed an ash cloud Tuesday, Nov. 3, as authorities recorded 13 volcanic earthquakes within 24 hours and maintained a heightened alert over the risk of further eruptions.
The Philippine Institute of Volcanology and Seismology (PHIVOLCS) reported continued volcanic activity at Mayon, located in Albay province in the Bicol region of southern Luzon, approximately 330 kilometers (205 miles) southeast of Manila.
According to the agency's latest bulletin, monitoring stations detected 13 volcanic earthquakes and one rockfall signal over the previous 24 hours, while sulfur dioxide emissions reached 1,751 tons per day on Monday.
PHIVOLCS also recorded minor Strombolian activity, a type of volcanic eruption involving intermittent explosions that release lava fragments and gases.
A volcanic plume rose approximately 100 meters (328 feet) above the crater and drifted southwest, indicating that activity continued following a stronger eruption last week.
On Friday, authorities raised the volcano's warning status to Alert Level 3 after a moderately explosive eruption sent a dense ash cloud approximately 3,000 meters above the summit.
Alert Level 3 indicates an increased tendency toward a hazardous volcanic eruption, prompting authorities to maintain restrictions around Mayon.
Entry remains prohibited within the volcano's 6-km permanent danger zone, while aircraft have been warned against flying near the volcano.
Residents have also been urged to remain alert to potential ashfall, lava flows and rockfalls, with evacuation warnings issued for nearby communities.
Mayon is among the Philippines' most active volcanoes. The country sits along the Pacific Ring of Fire, a region known for frequent earthquakes and volcanic eruptions.
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