"#MANILA, #Philippines – State volcanologists observed an increase in the frequency of pyroclastic density currents (#PDCs) from #MayonVolcano in #Albay, which started late Sunday afternoon, July 9.

PDCs are made up of fragmented volcanic particles, gases, and ash that travel down volcanic slopes at high speeds."

https://www.rappler.com/nation/luzon/phivolcs-mayon-volcano-update-advisory-july-10-2023-8am/

"The #rockfall events and #PDCs were more than the 254 and 17 recorded on Saturday, respectively, while the #VolcanicEarthquake decreased significantly from the 65 logged the day before." #Philippines

#MayonVolcano records 397 rockfall events, Alert Level 3 stays — #Phivolcs
https://newsinfo.inquirer.net/1796240/mayon-volcano-records-nearly-400-rockfall-events-4-quakes-phivolcs?utm_source=gallery&utm_medium=direct