The Weekly Volcanic Activity Report: December 4 – 10, 2024
New activity/unrest was reported for 7 volcanoes from December 4 to 10, 2024. During the same period, ongoing activity was reported 17 volcanoes.
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Earthquake swarm SW of Adak Islands, Alaska
An earthquake swarm has been occurring southwest of Adak Islands, Alaska, since December 8, 2024, beginning with M6.3 at a depth of 18 km (11 miles). The swarm includes multiple significant earthquakes, including two M6.3 events, an M6.1, and numerous aftershocks up to M5.8.
Strong M6.3 earthquake hits Andreanof Islands, Alaska
A strong earthquake registered by the USGS as M6.3 hit Andreanof Islands, Alaska at 19:57 UTC on December 8, 2024. The agency is reporting a depth of 18 km (11 miles). EMSC is reporting the same magnitude and depth.
M6.1 earthquake hits Kuril Islands at intermediate depth, Russia
A strong earthquake registered by the USGS as M6.1 hit the Kuril Islands region, Russia at 10:25 UTC on December 8, 2024. The agency is reporting a depth of 220 km (137 miles). EMSC is reporting the same magnitude and depth.
Impulsive X2.2 solar flare erupts from Region 3912, glancing blow possible on December 11
A major solar flare measuring X2.2 erupted from Active Region 3912 at 09:06 UTC on December 8, 2024. The event started at 08:50 and ended at 09:10 UTC.
The Weekly Volcanic Activity Report: November 27 – December 3, 2024
New activity/unrest was reported for 7 volcanoes from November 27 to December 3, 2024. During the same period, ongoing activity was reported for 16 volcanoes.
M7.0 earthquake hits near Northern California coast, Tsunami Warning issued for California and Oregon
A very strong and shallow earthquake registered by the USGS as M7.0 hit near the coast of Northern California at 18:44 UTC (10:44 LT) on December 5, 2024. The agency is reporting a shallow depth of 10 km (6.2 miles). A Tsunami Warning was issued for parts of California and Oregon along the U.S. West Coast.
Asteroid COWEPC5 to impact Earth over Russia on December 3
A newly-discovered asteroid currently designated COWEPC5 is expected to impact Earth’s atmosphere over Siberia, Russia at around 16:15 UTC (08:15 PST) on December 3, 2024. This is the 11th predicted Earth impactor on record – and the 4th so far this year.
Asteroid 2024 XA flew past Earth at 0.02 LD, the closest flyby of the year and second closest on record
A newly discovered asteroid designated 2024 XA flew past Earth at 0.02 LD / 0.00005 AU (7 726 km / 4 801 miles) from the center of our planet at 09:46 UTC on December 1, 2024. This is about 1 355 km (842 miles) above the surface, making it the closest asteroid flyby of the year.
The Weekly Volcanic Activity Report: November 20 – 26, 2024
New activity/unrest was reported for 7 volcanoes from November 20 – 26, 2024. During the same period, ongoing activity was reported for 14 volcanoes.
