Emissions of incandescent, fluid lava by fountaining and lava flows from the Halemaʻumaʻu crater floor’s north vent now (image: USGS Hawaiian Volcano Observatory webcam)
Lava fountains returned to the Halemaʻumaʻu crater floor’s north vent.
On 19 February at 08:22 PM local time, the 10th effusive commenced with a small spattering, which gradually raised to form spectacular, dome-shaped fire fountains, some lava jest surpassed 90-125 meters (300-400 ft) in height.
It triggered multiple lava flows which continue even at the time of this update.
A seismic tremor peaked at 10:25 local time, and instruments recorded a ground uplift transition from inflation to deflation beneath Halemaʻumaʻu crater.
This marks the 10th eruptive episode since December 23, 2024.
Source: Hawaiian Volcano Observatory volcano activity update 20 February 2025
Ibu (Halmahera, Indonesia): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 8000 ft (2400 m) altitude or flight level 080 and is moving at 05 kts in SW direction. The full report is as follows: VA TO FL080 REPORTED AT 19/1812Z EST VA DTG:19/2100Z to 8000 ft (2400 m)
Semeru (East Java, Indonesia): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 15000 ft (4600 m) altitude or flight level 150 and is moving at 05 kts in SE direction. The full report is as follows: VA TO FL150 LAST REPORTED AT 19/1618Z EST VA DTG:19/1700Z to 15000 ft (4600 m)
Dukono (Halmahera): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 10000 ft (3000 m) altitude or flight level 100 and is moving at 05 kts in SE direction. The full report is as follows: CONTINUOUS VA TO FL100 OBS EXT SE AT 18/1830Z to 10000 ft (3000 m)
Telica (Nicaragua): 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
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: VA EMS LIKELY to 15000 ft (4600 m)
