Etna (Sicily, Italy): (30 Apr) Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Toulouse warned about a volcanic ash plume that rose up to estimated 16000 ft (4900 m) altitude or flight level 160 and is moving at 15 kts in SW direction.
The full report is as follows: ERUPTION AT 20250430/0445Z WEAK EXPLOSIVE ACTIVITY OBS VA DTG:30/0800Z to 16000 ft (4900 m)
…30 Apr:
A new eruptive episode of strombolian activity occurred at the Southeast Crater last night.
Two lava flows emerged from the summit cone at the SE Crater and traveled down the south and southeastern slope. As usual, the activity was accompanied by intense spattering.
Karymsky (Kamchatka): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 12000 ft (3700 m) altitude or flight level 120 and is moving at 5 kts in E direction.
The full report is as follows: POSS ERUPTION OBS AT 20250430/1320Z FL120 EXTD E OBS VA DTG:30/1410Z to 12000 ft (3700 m)
Bulusan (Luzon Island, Philippines): (30 Apr) Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 18000 ft (5500 m) altitude or flight level 180 and is moving at 15 kts in W direction.
The full report is as follows: VA CONTINUOUSLY OBS IN SATELLITE IMAGERY OBS VA DTG:29/2320Z to 18000 ft (5500 m)
Ibu (Halmahera, Indonesia): Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: VA ERUPTION LAST REPORTED AT 30/1518Z EST VA DTG:30/1640Z
Lewotobi (Flores): (30 Apr) Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: CVGHM REPORT ERUPTION TO FL180 AT 29/2122Z EST VA DTG:30/0450Z
Semeru (East Java, Indonesia): Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: ERUPTION LAST REPORTED AT 30/1107Z EST VA DTG:30/1110Z
Dukono (Halmahera): Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: CONTINUOUS VA TO FL090 LAST REPORTED AT 30/0932Z EXTENDING NE
Home Reef (Tonga Islands): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Wellington warned about a volcanic ash plume that rose up to estimated 3000 ft (900 m) altitude or flight level 030 and is moving at 10 kts in SW direction.
The full report is as follows: ERUPTION AT 20250428/1928Z INTERMITTENT LOW LEVEL ERUPTION to 3000 ft (900 m)
Poas (Costa Rica): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: LGT VA EMS
Nevado del Ruiz (Colombia): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: PSBL VA EMS
Sangay (Ecuador): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 20000 ft (6100 m) altitude or flight level 200 .
The full report is as follows: POSSIBLE ONGOING EMS. to 20000 ft (6100 m)
Reventador (Ecuador): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 15000 ft (4600 m) altitude or flight level 150 .
The full report is as follows: NEW VA EMS. to 15000 ft (4600 m)
Erta Ale (Danakil depression, Ethiopia): (30 Apr) A new lava effusion phase commenced at the volcano and is still continuing constantly since 2 April.
Following another shifting flux of magma, the lava returned to the northern pit crater’s lava lake, generating incandescent lava flows.
… [read more]
Volcano Activity Summary for 30 Apr 2025:
