Mayon Volcano’s current state is “largely similar” to its 2014 eruption based on the parameters observed over the previous week, said the Philippine Institute of Volcanology and Seismology (Phivolcs). ManilaBulletin
“Low-rate effusive eruption of degassed lava has been transpiring for the past week accompanied only by slight increases in volcanic SO2 emission, seismic and ground deformation parameters,” Phivolcs said in its volcanic activity report released on Sunday night, June 18.
Given the similarities to the 2014 eruption, Phivolcs said that Mayon’s current state may persist for a few months.The Philippine Institute of Volcanology and Seismology said a very slow lava effusion from Mayon Volcano’s summit crater continued for the fifth night on June 15, 2023, resulting in more rockfall events and pyroclastic density currents.
In the third scenario, an explosive eruption with high-intensity lava fountaining, long lava flows, and PDCs on all sectors that could exceed the six-kilometer permanent danger zone, similar to the 2000 eruption, may occur if SO2 rapidly escalates or drops, and volcanic earthquake activity and ground deformation occur.
Five dome-collapse pyroclastic density currents that lasted three minutes and 265 rockfall events were also recorded by the Mayon Volcano Network. The evacuation of residents within the six-kilometer permanent danger zone has been recommended due to the risk of PDCs, lava flows, rockfalls, and other volcanic hazards.
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