When was the last major earthquake in Alaska?
Andrew Henderson
Updated on March 12, 2026
When was the last major earthquake in Alaska?
List of earthquakes in Alaska
| Date | MMI | Mag. |
|---|---|---|
| 2018-01-23 | 7.9 Mw | |
| 2016-01-24 | VII | 7.1 Mw |
| 2014-06-23 | VI | 7.9 Mw |
| 2002-11-03 | IX | 7.9 Mw |
How many people died in the 9.2 Alaska earthquake?
Valdez, Anchorage, and many villages along the Alaska Coast were significantly damaged or destroyed by the magnitude 9.2 earthquake and the tsunamis that followed. Over 130 people died in Alaska, Oregon, and California.
When was Alaska’s last 7.0 earthquake?
November 30, 2018
On November 30, 2018, at 8:29 a.m. AKST (17:29 UTC), a magnitude 7.1 earthquake hit Anchorage in South Central Alaska….2018 Anchorage earthquake.
| Damage to the Glenn Highway | |
|---|---|
| UTC time | 2018-11-30 17:29:29 |
| ISC event | 616643636 |
| USGS-ANSS | ComCat |
| Local date | November 30, 2018 |
Did Alaska have an earthquake 2020?
In July 2020, the Aleutian Subduction Zone was the source of an Mw 7.8 earthquake which struck the same region south of the Alaska Peninsula….October 2020.
| UTC time | 2020-10-19 20:54:38 |
|---|---|
| Local date | October 20, 2020 |
| Local time | 12:54:38 |
| Magnitude | 7.6 Mw |
| Depth | 28.4 km (17.6 mi) |
What is Alaska’s biggest earthquake?
Largest earthquake in 50 years: What we know so far | Alaska Earthquake Center. At 10:15pm Alaska time on July 28, a magnitude 8.2 earthquake struck offshore of the Alaska Peninsula, the largest U.S. earthquake in 50 years. The Chignik Earthquake depth was approximately 28.5 miles, an intermediate-depth earthquake.
What caused the Alaska earthquake 1964?
On March 27, 1964 at 5:36pm local time (March 28 at 3:36 UTC) an earthquake of magnitude 9.2 occurred in the Prince William Sound region of Alaska. The map shows the epicenter of the 1964 Alaska Earthquake (red star), caused when the Pacific Plate lurched northward underneath the North American Plate.
What can an 8.0 earthquake do?
Intensity 8: Severe — Damage slight in specially designed structures; considerable damage in ordinary substantial buildings with partial collapse. Damage great in poorly built structures. Fall of chimneys, factory stacks, columns, monuments, walls. Heavy furniture overturned.
Is there any earthquake in 2021?
Earthquake of magnitude 4.2 hits Mizoram’s Champhai “Earthquake of Magnitude:4.2, Occurred on 27-11-2021, 15:17:16 IST, Lat: 22.80 & Long: 93.31, Depth: 53 Km, Location: 73km S of Champhai, Mizoram, India,” the NCS tweeted.
How many earthquakes has Alaska had in 2021?
3775 earthquakes
During the month of October 2021, the Alaska Earthquake Center reported 3775 earthquakes within the state.
Which state in the US has never had an earthquake?
Florida and North Dakota are the states with the fewest earthquakes. Antarctica has the least earthquakes of any continent, but small earthquakes can occur anywhere in the World. Our Earthquake Statistics has M3+ earthquake counts for each state beginning in 2010.
What was the worst earthquake in US history?
The largest earthquake to hit the U.S. was on March 28, 1964, when a 9.2 magnitude quake struck Prince William Sound in Alaska.
