Mayon Volcano in Albay continued to show signs of unrest as state volcanologists reported Saturday five earthquakes, lava flows, and nearly 400 rockfall events at the site over the past 24 hours.
In its monitoring bulletin from 12 a.m. Friday to 12 a.m. Saturday, the Philippine Institute for Volcanology and Seismology (PHIVOLCS) said Mayon registered five new volcanic earthquakes.
These were accompanied by 377 rockfall events and 47 pyroclastic density currents (PDCs) or “uson.”
The volcano’s activity was marked by a lava dome and lava flow effusion, with a crater glow described as “fair” or visible to the naked eye.
It emitted plumes reaching as high as 100 meters above the crater,…