MANILA, Philippines — State volcanologists on Monday said no volcanic earthquakes occurred in Mayon Volcano from 5:00 a.m. on June 18 to 5:00 a.m. on June 19. The Philippine Institute of Volcanology and Seismology (Phivolcs) said this was an improvement from the previous period when it recorded three volcanic tremors in Mayon. It also said Monday that it logged 265 rockfall events and 889 tonnes of sulfur dioxide flux in the volcano during the 24-hour observation period. Phivolcs likewise noted Mayon's 'very slow effusion of lava flow' with maximum lengths of 1.

https://newsinfo.inquirer.net/1790034/phivolcs-no-volcanic-quakes-logged-in-mayon-volcano-for-24-hours

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