Severe thunderstorms rolled through parts of the U.S. Midwest on Tuesday night, August 10, 2021, into Wednesday, leaving more than 460 000 customers without power in Michigan, Wisconsin, and Illinois. As of 00:45 UTC on August 11 (19:45 CDT on August 10), more than…
Low-level ash emissions were observed at Pavlof volcano, Alaska on August 5, 2021, prompting the Alaska Volcano Observatory (AVO) to raise the Aviation Color Code to Orange and Alert Level to Watch. In addition, seismic tremor and small explosions have been detected…
The Oroville Reservoir reached a record low level of 195.66 m (641.93 feet) above mean sea level on August 5, 2021, forcing authorities in California to shut down their second-largest hydroelectric plant. This is now the lowest level since the nation's tallest…
The River Fire in northern California exploded in size on August 4, 2021, as it burned through the Nevada and Placer counties, triggering multiple evacuations. The fire has so far scorched 566 ha (1 400 acres) of land and is 0% contained. On the same day, the Dixie…
A huge wildfire raging in northern California entered the small community of Greenville on August 4, 2021, leveling down homes and businesses. The fire has leveled much of the downtown and some surrounding homes, AP reports. Their photographer described seeing a gas…
The month of July saw the most energetic swarm of earthquakes in the region since the Maple Creek earthquake swarm of June-September 2017, the Yellowstone Volcano Observatory (YVO) reported in their monthly update released August 2, 2021. While above average, this…
Unrest under Semisopochnoi volcano increased at the end of July, with a marked increase in seismicity on July 31. Increased activity has also been detected on local infrasound stations, suggesting possible low-level (below 3 km / 10 000 feet above sea level)…
A massive shallow earthquake registered by the USGS as M8.2 hit near the coast of Alaska at 06:15 UTC on July 29, 2021. The agency is reporting a depth of 32.2 km (20 miles). EMSC is reporting it as M8.2 at depth of 30 km (18.6 miles). This is the strongest…
At least 8 people have been killed and several others critically injured in a series of car crashes on Interstate-15 near Kanosh, Millard County, Utah on Sunday, July 25, 2021. According to the Utah Department of Public Service (DPS), 22 vehicles were involved in…
A lava dome-like feature formed in the summit crater of Great Sitkin volcano, Alaska, suggesting magma is rising near the surface. As a result, the Alaska Volcano Observatory (AVO) has raised the Aviation Color Code to ORANGE and the Volcano Alert Level to WATCH. A…
