M1.0 solar flare erupts on June 20, 2025
A moderate M1.0 solar flare erupted at 17:40 UTC on June 20, 2025.
Ash emissions at Lewotobi volcano reach 3.7 km (12 000 feet) a.s.l., Indonesia
Ash from Lewotobi volcano in Indonesia was observed reaching 3.7 km (12 000 feet) above sea level and moving north-northwest on June 20, 2025.
Ash plume from Raung volcano rises to 5.1 km (16 700 feet) a.s.l., Indonesia
Raung volcano in Indonesia produced an ash plume to 5.1 km (16 700 feet) above sea level on June 20, 2025, impacting the surrounding area.
M5.0 earthquake – central Mid-Atlantic Ridge
An earthquake of magnitude 5.0 was registered in the central Mid-Atlantic Ridge at 11:42 UTC on June 20, 2025, at a shallow depth of 10.0 km (6.2 miles), according to USGS data.
Ash emissions from Semeru volcano rise to 4.6 km (15 000 feet) a.s.l., Indonesia
Semeru volcano in Indonesia produced volcanic ash emissions reaching 4.6 km (15 000 feet) a.s.l. on June 20, 2025, according to ground reports.
M5.1 earthquake – South Sandwich Islands region
A shallow earthquake measuring M5.1 struck east of the South Sandwich Islands at 10:21 UTC on June 20, 2025. The event occurred at a depth of 10.0 km (6.2 miles), based on USGS data.
Ash plume from Raung volcano reaches 4.3 km (14 100 feet) a.s.l., Indonesia
An ash plume from Raung volcano in Indonesia rose to 4.3 km (14 100 feet) above sea level on June 19, 2025, with ongoing emissions.
Volcanic ash emissions at Raung volcano reach 4.3 km (14 100 feet) a.s.l., Indonesia
Raung volcano in Indonesia emitted volcanic ash up to 4.3 km (14 100 feet) above sea level on June 19, 2025.
X1.9 solar flare erupts on June 19, 2025
A major X1.9 solar flare erupted at 23:50 UTC on June 19, 2025.
Ash plume from Semeru volcano reaches 4.6 km (15 000 feet) a.s.l., Indonesia
A volcanic ash plume from Semeru volcano in Indonesia reached 4.6 km (15 000 feet) above sea level and drifted southwest on June 19, 2025.
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