Dukono Volcano Volcanic Ash Advisory: CONTINUOUS VA ERUPTION TO FL070 MOV W OBS AT 17/2020Z to 7000 ft (2100 m)
Semeru Volcano Volcanic Ash Advisory: DISCRETE VA ERUPTION TO FL140 MOV W OBS VA DTG: 17/1440Z to 14000 ft (4300 m)
Mayon volcano (Luzon Island, Philippines): Volcanic Alert Level lowered to 1
PHIVOLCS reported that Volcanic Alert Level lowered from level 2 to level 1 as the volcano has been continued to decline in the monitored parameters since 29 March 2018. During the past six months the seismic activity has declined to 1 volcano-tectonic earthquake per day in average associated with rock fracturing within the volcano edifice. Rockfall were associated with heavy rainfalls or…