Alaska earthquakes

M1.6 earthquake 31 km ENE of Cordova, Alaska

A magnitude 1.6 earthquake struck 31 km ENE of Cordova, Alaska on Thu, Mar 11, 2021, 1:34 PM AKST (22:34 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.8 11 km N of Valdez, Alaska. This one was a foreshock.

Cordova forecastMore in Alaska

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.6 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2021-03-11 22:34:56 UTC
Depth
4.7 km (2.9 mi), shallow
Epicenter
60.694° N, 145.264° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Stations used
40

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 15 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 1.635 km N of Valdez, Alaska · 2029 days ago · 20 km deep · 99 km away
  2. 1.629 km N of Valdez, AK · 2024 days ago · 20 km deep · 99 km away
  3. 1.621 km NNW of Valdez, Alaska · 2021 days ago · 10 km deep · 94 km away
  4. 2.418 km NE of Valdez, Alaska · 2015 days ago · 25 km deep · 75 km away · felt by 1
  5. 1.811 km NNW of Tatitlek, Alaska · 2014 days ago · 15 km deep · 86 km away
  6. 3.811 km N of Valdez, Alaska · 2013 days ago · 6 km deep · 85 km away · felt by 18
  7. 1.515 km SSE of Tatitlek, Alaska · 2009 days ago · 5 km deep · 74 km away
  8. 1.513 km NNW of Tatitlek, Alaska · 2008 days ago · 14 km deep · 89 km away
  9. 1.933 km N of Valdez, Alaska · 2001 days ago · 15 km deep · 99 km away
  10. 1.841 km ENE of Cordova, Alaska · 1997 days ago · 19 km deep · 13 km away
  11. 1.652 km SSW of Tatitlek, Alaska · 1983 days ago · 21 km deep · 94 km away
  12. 1.598 km E of Cordova, Alaska · 1982 days ago · 9 km deep · 72 km away
  13. 2.37 km WSW of Tatitlek, Alaska · 1981 days ago · 21 km deep · 85 km away
  14. 1.612 km NNW of Tatitlek, Alaska · 1977 days ago · 3 km deep · 86 km away
  15. 1.514 km WNW of Valdez, Alaska · 1971 days ago · 43 km deep · 90 km away

Before

  1. 2.214 km S of Valdez, Alaska · 2032 days ago · 5 km deep · 66 km away · felt by 9
  2. 1.69 km S of Tatitlek, Alaska · 2033 days ago · 13 km deep · 76 km away · felt by 1
  3. 1.821 km ESE of Tatitlek, Alaska · 2033 days ago · 11 km deep · 58 km away
  4. 2.731 km SSW of Tatitlek, Alaska · 2034 days ago · 12 km deep · 88 km away
  5. 1.8Southern Alaska · 2040 days ago · 22 km deep · 79 km away
  6. 1.9Southern Alaska · 2050 days ago · 4 km deep · 60 km away
  7. 2.531 km SSW of Cordova, Alaska · 2051 days ago · 15 km deep · 59 km away
  8. 1.64 km E of Valdez, Alaska · 2052 days ago · 25 km deep · 72 km away
  9. 1.628 km SE of Valdez, Alaska · 2053 days ago · 10 km deep · 49 km away
  10. 1.632 km E of Tatitlek, Alaska · 2055 days ago · 4 km deep · 47 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak021384x8kh. Read Thu, Oct 1, 2026, 6:51 PM UTC.