New activity/unrest was reported for 4 volcanoes from December 1 to 7, 2021. During the same period, ongoing activity was reported for 15 volcanoes. New activity/unrest: Ambae, Vanuatu | Nyiragongo, DR Congo | Sangay, Ecuador | Semeru, Eastern Java (Indonesia)….
The Alaska Volcano Observatory (AVO) has observed a change from the long-term deformation pattern at Okmok volcano as measured by two continuous Global Navigation Satellite Systems (GNSS) stations within the caldera between September and November 2021. The…
A powerful deep low-pressure area moving in from the Atlantic Ocean hit Ireland on Tuesday and Wednesday, December 7 and 8, 2021, bringing severe winds and heavy rain. At the height of the storm, more than 60 000 customers were without power. Storm Barra was named…
A strong and shallow earthquake registered by the JMA as M6.0 hit the Ryukyu Islands, Japan at 02:05 UTC on December 9, 2021. The agency is reporting a depth of 20 km (12.4 miles). The USGS is reporting it as M6.0 at a depth of 17 km (10 miles); EMSC M5.9 at a depth…
A very bright fireball was seen over central Europe at around 17:29 UTC on December 7, 2021. The event lasted up to 5 seconds before the object disintegrated in a series of flashes. The American Meteor Society (AMS) received 34 witness reports from users in…
A team of researchers from Canada and Germany discovered and documented a new type of earthquake in an injection environment in British Columbia, Canada. The recently discovered seismic events are slower than conventional earthquakes. Their existence supports a…
A bright fireball was recorded as it streaked through the night sky over Indiana at 01:04 UTC on December 8, 2021. The event lasted about 4 seconds. The American Meteor Society (AMS) has so far received 39 reports from witnesses in Ilinois, Indiana, Michigan and…
A series of earthquakes hit off the coast of Oregon, U.S. on December 7 and 8, 2021. The quakes are taking place at a shallow depth of about 10 km (6.2 miles), some 500 km (320 miles) W of Salem, Oregon. The swarm, located about 360 km (200 miles) west of the…
A historic cold spell is affecting Scandinavia, bringing unusually cold temperatures for the time of year. With a temperature of -43.8 °C (-46.8 °F) registered in Naimakka in northern Lapland on Monday, December 6, 2021, Sweden recorded its coldest December…
The Icelandic Met Office (IMO) has raised to Aviation Color Code for Grímsvötn volcano from Yellow to Orange on December 6, one day after the glacial flood from Grímsvötn reached its peak discharge. By definition, the Aviation Color Code is…
