The Philippine Institute of Volcanology and Seismology (Phivolcs) said on Wednesday that Mayon Volcano had 7 volcanic earthquakes and 309 rockfall events in the last 24 hours.
This is slightly higher than the 1 volcanic earthquake and 221 rockfall events recorded on Tuesday.
Based on Phivolcs' <a href="https://www.phivolcs.dost.gov.ph/index.php/volcano-hazard/volcano-bulletin2/mayon-volcano/18309-mayon-volcano-bulletin-14-june-2023-8-00-am" target="_blank" rel="noopener">8 AM bulletin</a>, the country&rsquo;s most active volcano also emitted 7 pyroclastic density currents (PDC) that lasted for 4 minutes and 149 tonnes of sulfur dioxide.
The "very slow lava" effused by the Mayon volcano's summit crater reached the Miisi and Bonga gullies within approximately 1,000 kilometers.&nbsp;
Phivolcs also observed fair crater glow or &ldquo;banaag&rdquo; and incandescent rockfall shed from new fluidal lava at the summit of Mayon Volcano.
&ldquo;Longer-term ground deformation parameters based on EDM, precise leveling, continuous GPS, and electronic tilt monitoring indicate that Mayon is still inflated, especially on the northwest and southeast,&rdquo; Phivolcs said.
According to the state seismologist, heavy rainfall could cause &ldquo;channel-confined lahars and sediment-laden streamflows in channels where PDC deposits were emplaced.&rdquo;
Mayon Volcano remains under Alert Level 3 "which means that it is currently in a relatively high level of unrest as magma is at the crater and hazardous eruption is possible within weeks or even days."
Phivolcs said aircraft flying close to the volcano&rsquo;s summit are still restricted as &ldquo;ash from any sudden eruption can be hazardous."
It forecasted that ash fall events may most likely occur on the south side of the volcano.
The l<a href="https://monitoring-dashboard.ndrrmc.gov.ph/assets/uploads/situations/SitRep_No__4_for_the_Mayon_Volcanic_Activity_2023.pdf" target="_blank" rel="noopener">atest monitoring</a> of the National Disaster Risk Reduction and Management Council (NDRRMC) as of Wednesday, the local government units of Albay province have evacuated 3,701 families or 13,179 individuals living within the 6-kilometers and 7-kilometer danger zone of Mayon Volcano.

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Phivolcs records 7 volcanic earthquakes, 309 rockfall events in Mayon Volcano