A seismic swarm started under Trident stratovolcano, Alaska on August 24, 2022, likely driven by the movement of magma or magmatic fluids. The swarm is still in progress but now at a decreased rate. The last eruption of this volcano took place in 1974 (VEI 3).
Pavlof Volcano continues to erupt from the active vent on its east flank, just below the summit. The Aviation Color Code remains at Orange. Previous eruptions of Pavlof indicate that the level of unrest can change quickly and the progression to more significant eruptive activity can occur with little or no warning.
A strong earthquake registered by the USGS as M6.3 hit Rat Islands, Aleutian Islands, Alaska at 23:38 UTC on June 4, 2022. The agency is reporting a depth of 105 km (65 miles). EMSC is reporting M6.4 at a depth of 100 km (62 miles).
Elevated surface temperatures and sulfur dioxide emissions have been detected at Cleveland volcano, Alaska, U.S. over the past couple of days, representing a departure from background activity.
A swarm of earthquakes has occurred in the vicinity of Davidof volcano, Alaska over the past two days. A similar earthquake swarm occurred in December 2021. There is no known eruption of this volcano over the past 10 000 years. The largest earthquake in the…
A strong and shallow earthquake registered by the USGS as M6.2 hit Fox Islands, Alaska, U.S. at 05:17 UTC on January 22, 2022. The agency is reporting a depth of 42.8 km (26.6 miles). EMSC is reporting M6.2 at a depth of 60 km (37.3 miles). The epicenter was located…
The City and Borough of Yakutat in Alaska, U.S. has declared a local disaster emergency on January 11, 2022, after accumulating approximately 1.5 – 1.8 m (5 – 6 feet) of snow over the last several weeks. Yakutat is isolated and off the road system, and all local…
A strong and shallow earthquake registered by the USGS as M6.8 hit Fox Islands, Alaska, U.S. at 11:35 UTC on January 11, 2022. The agency is reporting a depth of 22.3 km (13.8 miles). EMSC is reporting M6.6 at a depth of 40 km (24.8 miles). The epicenter was located…
Temperatures in Alaska are again making rounds in the international news, with several high and low records broken or obliterated. The temperature at Kodiak Tide Gauge, Alaska hit 19.4 °C (67 °F) on December 26, 2021, setting a new December high temperature…
A strong earthquake registered by the USGS as M5.9 hit Southern Alaska at 22:42 UTC (13:42 LT) on December 22, 2021. The agency is reporting a depth of 152.6 km (94.8 miles). The EMSC is reporting M5.9 at a depth of 146 km (90.7 miles). The epicenter was located…
