Alaskan Earthquakes

Aleutian Islands Earthquake

Apr 1, 1946

An 8.6 magnitude earthquake that occurred near the Alaskan Aleutian Islands. The earthquake caused a massive tsunami across the pacific with far reaching affects all the way out to Hawaii, nearly 200 people were killed.

Andreanof Islands Earthquake

Mar 9, 1957

8.6 Magnitude Earthquake that occurred along the Aleutian Trench and created a Tsunami affecting both Alaska and Hawaii.

Lituya Bay Earthquake

Jul 10, 1958

7.8 Magnitude Earthquake responsible for a Megatsunami washing away many trees in the area.

Great Alaskan Earthquake

Mar 27, 1964

Earthquake lasting 4 minutes and 38 seconds. It was 9.2 magnitude that caused massive destruction across the State. It was the largest Earthquake in American history and second largest in world history.

Rat Islands Earthquake

Feb 4, 1965

8.7 Magnitude Earthquake and triggered a large Tsunami on some Alaskan Islands, remoteness meant little damage caused.

Near Islands Earthquake

Feb 2, 1975

7.6 magnitude earthquake of coast of Attu Island, heavy damage on Shemya island.

Denali Earthquake

Nov 3, 2002

7.9 magnitude earthquake, strongest recorded in the interior of Alaska, but remote location meant little damage.

2nd Aleutian Islands Earthquake

Jun 23, 2014

7.9 Magnitude Earthquake int he Aleutian Islands, hypocenter too deep to generate tsunami.

Palma Bay Earthquake

Jul 25, 2014

6.0 Magnitude Earthquake near Juneau, no deaths but caused significant disruption to the Alaskan Communication Systems.

Old Iliamna Earthquake

Jan 24, 2016

7.1 magnitude Earthquake near Anchorage, moderate to heavy damage to buildings and homes.