Alert – Geomagnetic K-index of 4 Alert issued on June 11, 2026
A Geomagnetic K-index of 4 Alert was issued on June 11, 2026. The alert is active for the synoptic period from 18:00 UTC to 21:00 UTC.
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Continuous ash emissions at Sheveluch volcano reach 8 800 m (29 000 feet) a.s.l., Russia
Volcanic ash from Sheveluch in Russia was observed at 8 800 m (29 000 feet) at 23:20 UTC on March 31, 2026.
M5.7 earthquake strikes Kermadec Islands, New Zealand
An earthquake with a magnitude of M5.7 was registered in the Kermadec Islands, New Zealand at 19:24 UTC on March 31, 2026. The event occurred at a depth of 143.4 km (89.1 miles), according to USGS data.
Volcanic ash from Sangay volcano observed at 6 400 m (21 000 feet) a.s.l., Ecuador
Washington VAAC reported possible volcanic ash from Ecuador’s Sangay volcano at 6 400 m (21 000 feet) a.s.l. at 19:20 UTC on March 28, 2026.
Ash emissions from Semeru volcano reach 4 300 m (14 100 feet) a.s.l., Indonesia
Volcanic ash from Semeru in Indonesia was observed at 4 300 m (14 100 feet) above sea level at 17:10 UTC on October 17, 2025.
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