The state seismologist has logged a total of 257 rockfall events and one volcanic earthquake in Mayon Volcano, Albay from 5 AM on July 3 to 5 AM on July 4.&nbsp;
Based on its <a href="https://www.phivolcs.dost.gov.ph/index.php/volcano-hazard/volcano-bulletin2/mayon-volcano/18647-mayon-volcano-summary-of-24hr-observation-04-july-2023-5-00-am" target="_blank" rel="noopener">latest bulletin</a>, the restive volcano&rsquo;s number of rockfalls has slightly declined from 295 to 257, while the volcanic earthquake was down from 3 to 1.
The lava coming from the Mayon Volcano&rsquo;s summit crater has reached a length of 2,800 from the previous 2,700 recorded on Mi-si Gully.&nbsp;
Meanwhile, the lava remains 1,300 meters long on Bonga Gully from the summit crater.&nbsp;
Phivolcs also observed 6 dome-collapse pyroclastic density currents (PDC) that lasted 3 minutes as well as 1 lava front collapse (PDC) that generated light-brown plumes with 300 meters of height.
&ldquo;Continuous moderate degassing from the summit crater produced steam-laden plumes that rose 200 meters before drifting to the west-northwest and west-southwest direction,&rdquo; the state seismologist said.
Mount Mayon also emitted 1,558 tonnes of sulfur dioxide since July 3.
Interviewed by DZRH, Phivolcs Volcanologist Paul Karson Alanis said there is a possibility of evacuating residents in the Municipalities of Daraga, Legaspi, and Sto. Domingo.
Alanis explained that evacuation is possible once the PDC reaches six kilometers long.
&ldquo;Kahit naka-Alert Level 3, kapag umabot po ng six kilometer bound &lsquo;yung mga pyroclastic density currents, maari nating irekomenda na kahit &lsquo;yung mga nasa seven at eight ay mag-evacuate na po,&rdquo; he said.
Mayon Volcano <a href="https://www.dzrh.com.ph/post/mt-mayon-level-3" target="_blank" rel="noopener">has been under Alert Level 3 since June 8</a>&nbsp;due to the &rdquo;increased tendency towards a hazardous eruption.&rdquo;

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Phivolcs logs 257 rockfalls, 1 quake in Mayon; Alert Level 3 remains