The Weekly Volcanic Activity Report: November 2 – 8, 2022
New activity/unrest was reported for 4 volcanoes from November 2 to 8, 2022. During the same period, ongoing activity was reported for 20 volcanoes.
New activity/unrest was reported for 4 volcanoes from November 2 to 8, 2022. During the same period, ongoing activity was reported for 20 volcanoes.
The Alert Level for Villarrica volcano, Chile has been raised from Green to Yellow on November 8, 2022. The decision was made due to increased activity detected at the volcano over the past 30 days. The current eruptive episode began in December 2014.
A very deep earthquake, registered by the USGS as M6.8, hit south of the Fiji Islands at 09:38 UTC on November 9, 2022. The agency is reporting a depth of 630 km (391 miles). The quake was followed by M7.0 earthquake at 09:51 UTC at a depth of 670 km (416 miles). EMSC reports M6.8 at a depth of 629 km (390 miles) and M6.8 at 655 km (406 miles).
A strong and shallow earthquake registered by Nepal’s National Earthquake Monitoring and Research Center (NEMRC) as M6.6 hit the Doti district in the Sudurpaschim Province, Nepal at 20:27 UTC on November 8, 2022 (02:12 LT, November 9). The National Center for Seismology in India is reporting M6.3 at a depth of 10 km (6.2 miles). The USGS and EMSC are reporting M5.6 at a depth of 15.7 km (9.7 miles) / 10 km (6.2 miles).
A shallow earthquake registered by the EMSC as M5.6 hit near the coast of Rimini, central Italy at 06:07 UTC on November 9, 2022. The agency is reporting a depth of 10 km (6.2 miles). The USGS is reporting the same magnitude and depth.
Subtropical Storm “Nicole” formed northeast of the Bahamas at 09:00 UTC on November 7, 2022. The system is forecast to be near or at hurricane intensity by the time it reaches the northwest Bahamas and the Florida peninsula, U.S.
There is increasing confidence that a significant winter storm will affect parts of the Northern Plains later this week. While uncertainty into the exact track and strength of this system remains, it is likely that some areas will receive heavy snow, sleet, and freezing rain.
A new analysis published in Science shows the eruption at Hunga Tonga–Hunga Haʻapai volcano in Tonga on January 15, 2022, created the highest volcanic plume ever recorded. This is the first time a volcanic plume has been seen to penetrate the stratopause.
A total of 12 waterspouts were observed south of the westernmost Lower Keys, Florida, U.S. on the afternoon/evening of November 4, 2022.
Colombian president Gustavo Petro declared a national rainfall disaster on November 1, 2022, after rainfall levels across the country this year exceeded levels seen in the past 40 years.