A tsunami warning was issued by the National Tsunami Warning Center in Palmer following a heavy earthquake with a preliminary magnitude assessment of 7.5 that occurred 55 miles southeast of Sandpoint at 12:55 pm on Monday afternoon. The depth of the quake was at 25 miles along the Aleutian megathrust and occurred on the […]
In May of 2020, local geologists identified a steep, unstable slope that has the potential to become a tsunami-generating landslide in Barry Arm, a glacial fjord 60 miles east of Anchorage, Alaska. With documented cases of tsunami-generating landslides in Alaska including Lituya Bay in 1958 and Taan Fjord in 2015, this new hazard immediately caught the attention of […]
A large earthquake occurred 75 miles to the south of Chignik at 10:13 pm on Tuesday night prompting a widespread tsunami alert throughout south-central Alaska, the Alaska Peninsula, and the Aleutian Chain. The earthquake was updated to 7.8 magnitude from the initial report of 7.4. Aftershocks continued in the Alaska Peninsula area and by […]
(Anchorage) — The threat of a large and potentially dangerous tsunami is looming in Prince William Sound, where an increasingly likely landslide could generate a wave with devastating effects on fishermen and recreationalists using the area, the state’s top geologist said. Steve Masterman, director of the Division of Geological and Geophysical Surveys (DGGS) said […]