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Phivolcs records 'short-lived lava bursts' in Mayo

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ABS-CBN News

<div class="embed-wrap"><figure data-feedback="fb:likes,fb:comments"><img alt="Lava flows from the peak of Mayon volcano on June 19, 2023. Jonathan Cellona, ABS-CBN News/File" src="https://sa.kapamilya.com/absnews/abscbnnews/media/2023/news/07/01/20230619-mayon-mabinit-daraga-jc-3072.jpg"/><figcaption>Lava flows from the peak of Mayon volcano on June 19, 2023. <em>Jonathan Cellona, ABS-CBN News/File</em></figcaption></figure></div><p>MANILA (<strong>UPDATED</strong>) — Phivolcs has recorded &quot;short-lived lava bursts&quot; on Mayon volcano in the past 24 hours, it said on Saturday but saw no reason to raise the alert level there from the current Alert 3. </p><p>State seismologists said the lava bursts from the Albay volcano were accompanied by seismic and infrasound signals past 6 p.m. on Friday. </p><p>Based on its 8 a.m. advisory, Phivolcs also recorded 31 volcanic earthquakes (which includes 23 tremor events), a pyroclastic density current event, and 87 rockfall events. </p><ul class="op-related-articles">	<li><a href="https://news.abs-cbn.com/news/06/23/23/mayon-shows-no-sign-for-lower-alert-level-as-eruption-continues-phivolcs">Mayon shows &#x27;no indication&#x27; for lower alert level as quiet eruption continues: Phivolcs</a></li></ul><p>There were also rockfalls and pyroclastic density currents due to the collapse of the summit dome deposited debris within 4 kilometers of the crater. </p><p>Volcanic sulfur dioxide or SO2 emission, meanwhile, hit 592 tons per day, with plumes reaching 1,000 meters tall. </p><p>In a message to ABS-CBN News, Phivolcs said the lava bursts were the result of pockets of pressurized gases abruptly released instead of the continuous, active degassing. </p><p>&quot;This is consistent with elevated sulfur dioxide gas that is being measured for Mayon. Alert Level 3 is maintained over Mayon Volcano,&quot; Phivolcs said.</p><p>In a separate advisory, Phivolcs said, &quot;short-term observations from electronic tilt and GPS monitoring indicate inflation of the northwestern upper and middle slopes since late July 2023 and October 2023, respectively.&quot; </p><p>&quot;Longer-term ground deformation parameters from [Exposure Database Module], precise leveling, continuous GPS, and electronic tilt monitoring indicate that Mayon is still generally inflated relative to baseline levels,&quot; it added. </p><p>Despite these activities, Phivolcs said Mayon remained on Alert Level 3, or still in a relatively high level of unrest. </p><p>&quot;Hazardous eruption within weeks or even days could still be possible,&quot; Phivolcs said. </p><p>&quot;Increased vigilance against pyroclastic density currents, lahars, and sediment-laden streamflows along channels draining the edifice is also advised,&quot; it said. </p><p>Phivolcs also advised the public to avoid the 6-kilometer radius permanent danger zone amid the threat of lava flows, pyroclastic density current event, rockfalls and other volcanic hazards. </p><p>Ash fall events may happen on the southern side of Mayon, based on the wind pattern, said Phivolcs. </p><ul class="op-related-articles">	<li><a href="https://news.abs-cbn.com/news/07/15/23/prepare-for-possible-lahar-flow-near-mayon-amid-rains-phivolcs">Residents told to prepare for possible mudflow near erupting Mayon amid rains</a></li></ul><p>Pilots must also avoid flying close to Mayon&#x27;s summit &quot;as ash from any sudden eruption can be hazardous to aircraft,&quot; based on the advisory. </p><p>Some 20,00 residents inside the volcano&#x27;s danger zone have fled their homes since Mayon&#x27;s status was raised to Alert Level 3. </p><div><strong>— Job Manahan, ABS-CBN News</strong></div><figure class="op-interactive"><iframe allow="autoplay; fullscreen" frameBorder="0" height="100%" id="ivsplayer01" scrolling="no" src="https://player.ivideosmart.com/ivsplayer/v4/dist/html/iframe-src.html?iframeid=ivsplayer01&amp;key=e8c22c015ca9eafa76f1e3edfa03c603&amp;spid=3001339&amp;vid=2659544" width="100%"></iframe></figure><div class="iwantbar">Watch more News on <a href="https://www.iwanttfc.com/#!/browse/Genres/News/tag_id_genres/id_news" target="_blank">iWantTFC</a></div>

Phivolcs has recorded 'short-lived lava bursts' over Mayon volcano in the past 24 hours, it said on Saturday. 