On January 13, 2018,
at 4:21 PM (PST), a phreatic eruption occurred that propelled a grayish steam ​and ash plume approximately 2500 m high.
The grayish steam and ash plume,
approximately 2500 m high, drifted to the southwest side of the volcano. The activity lasted approximately 1 hour and 47 minutes and traces of ash fell in Barangay Anoling, Daraga, Barangays Sua, Quirangay, Tumpa, Ilawod and Salugan of Camalig and in Barangays Tandarora, Maninila, and Travesia in Guinobatan. Sulfuric odor was noted by residents of Camalig town proper. Rumbling sounds were also heard by residents of Brgy. Anoling, Daraga and rockfall events were intermittently recorded. Faint crater glow was first observed at 10:16 PM. The event prompted DOST-PHIVOLCS to raise the Alert Level of Mayon Volcano from Alert Level 1 (abnormal) ​to Alert Level 2 (increasing unrest). On January 14, 2018, Mayon Volcano’s alert status was upgraded to Alert Level 3 (increased tendency towards a hazardous eruption) after 3 phreatic eruptions and 158 rockfall events were recorded. The summit's crater also exhibited a bright glow signifying the growth of a new lava dome and the start of lava flows ​towards its slopes.
On January 16, 2018,
the province of Albay declared a state of calamity as lava flows reached the limits of the 6km evacuation zone. On January 22, 2018, alert level 4 was raised after Mount Mayon spewed 3km ash column. Classes in all levels private and public were suspended in the whole province of Albay. As of 9:00 PM, magmatic explosions and lava showers could be seen by the mountaintop with pyroclastic flows and ash emission. Fire bombs and rockfalls could also be observed and sounds from the eruptions could be heard. Expected rain showers may cause mudflows, landslides and lahar flows. On January 23, 2018, 300 to 500 meter lava fountains are observed and spewed another giant column of ashes around 8:50 AM. Mayon Volcano or Mount Mayon, is an active stratovolcano in the province of Albay in Bicol Region, on the large island of Luzon in the Philippines. Renowned as the "perfect cone" because of its symmetric conical shape. It is the most active volcano in the Philippines, erupting over 50 times in the past 500 years. The first eruption for which an extended account exists ​was the six-day event of July 20, 1766. https://en.wikipedia.org/wiki/Mayon
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