A major eruption is ongoing at Shishaldin volcano in Alaska, with satellite imagery suggesting the top of the ash cloud was approaching 12 km (40 000 feet) above sea level just before 08:00 UTC on July 23, 2023. As a result, the Aviation Color Code was again raised to Red.
Volcanic activity at Shishaldin volcano in Alaska, U.S. further increased on July 18, 2023, with increased lava flow and large ash emission. As a result, the Aviation Color Code was raised to Red.
The eruption of Shishaldin Volcano has intensified, the Alaska Volcano Observatory (AVO) announced at 05:52 UTC on July 16, 2023, and raised the Aviation Color Code to Orange. At 07:57 UTC, the Aviation Color Code was raised to Red and the Volcano Alert Level to WARNING.
A very strong earthquake registered by the USGS as M7.2 hit near the coast of Alaska Peninsula, U.S. at 06:48 UTC on July 16, 2023. The agency is reporting a depth of 32.6 km (20.2 miles). EMSC is reporting M7.4 at a depth of 10 km (6.2 miles).
A significant explosion occurred at Shishaldin Volcano in Alaska, U.S. at 09:09 UTC on July 14, 2023. The Aviation Color Code remains at Orange.
Volcanologists at the Alaska Volcano Observatory (AVO) are reporting increased activity at Shishaldin volcano. As a result, the Aviation Color Code was raised to Orange.
An increase in seismicity has been observed at Iliamna volcano beginning at 20:00 UTC on June 5, 2023. As a result, the Alaska Volcano Observatory (AVO) raised the Aviation Color Code and Volcano Alert level for Iliamna to Yellow and Advisory.
Slow eruption of lava continues at Great Sitkin volcano, Alaska, producing a thick lava flow within the summit crater.
Alaska’s Governor Mike Dunleavy declared a state of disaster on May 14, 2023, in the wake of extensive flooding caused by ice jams and rapid snowmelt along the Kuskokwim and Yukon rivers.
Ash clouds produced by the major eruption of Russia’s Sheveluch volcano led to the cancellation of scores of flights in Alaska. The ash clouds drifted across the International Date Line into Alaska airspace, causing safety concerns for airlines over the next couple of days. As a precautionary measure, Alaska Airlines canceled 45 flights to and from Alaska and within the state. Other airlines also had to cancel or delay their flights.
