Alaska earthquakes

M6.4 earthquake 46 km WNW of Tatitlek, Alaska

A magnitude 6.4 earthquake struck 46 km WNW of Tatitlek, Alaska on Wed, Sep 7, 1983, 10:22 AM GMT-9 (19:22 UTC), 45 km (28 mi) below the surface.

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Map

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

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The earthquake

Magnitude
6.4 (mw), strong
Local time
UTC
1983-09-07 19:22:05 UTC
Depth
45.0 km (28.0 mi), shallow
Epicenter
60.976° N, 147.500° W
Region
Alaska
Strongest shaking
VI, strong shaking
Tsunami flag
No
Status
Reviewed by a seismologist

Shaking

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

Strongest estimated
VI, strong shaking
Peak ground acceleration
13.7% of gravity
Peak ground velocity
2.3 cm/s
Map
Automatic
USGS ShakeMap: estimated shaking intensity around the epicenter
Estimated shaking intensity. Map: USGS ShakeMap.

Did you feel it?

No one has reported feeling this quake to the USGS.

Nearest places

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

Nearby

Within 100 km, magnitude 3.4 and up: 15 in the 60 days after this one and 1 in the 30 days before it.

After

  1. 3.737 km W of Tatitlek, Alaska · 15728 days ago · 33 km deep · 11 km away
  2. 5.047 km WNW of Tatitlek, Alaska · 15728 days ago · 46 km deep · 2 km away
  3. 3.436 km W of Tatitlek, Alaska · 15728 days ago · 33 km deep · 18 km away
  4. 3.641 km W of Tatitlek, Alaska · 15728 days ago · 33 km deep · 16 km away
  5. 3.927 km WNW of Tatitlek, Alaska · 15728 days ago · 33 km deep · 19 km away
  6. 3.439 km W of Tatitlek, Alaska · 15727 days ago · 33 km deep · 14 km away
  7. 4.239 km W of Tatitlek, Alaska · 15726 days ago · 33 km deep · 9 km away
  8. 3.533 km W of Tatitlek, Alaska · 15723 days ago · 33 km deep · 14 km away
  9. 3.535 km W of Tatitlek, Alaska · 15722 days ago · 33 km deep · 12 km away
  10. 4.943 km WNW of Tatitlek, Alaska · 15722 days ago · 53 km deep · 4 km away
  11. 4.139 km N of Valdez, Alaska · 15720 days ago · 33 km deep · 87 km away
  12. 3.636 km W of Tatitlek, Alaska · 15717 days ago · 33 km deep · 14 km away
  13. 3.752 km ENE of Whittier, Alaska · 15693 days ago · 38 km deep · 21 km away
  14. 4.236 km NNW of Valdez, Alaska · 15687 days ago · 51 km deep · 68 km away
  15. 3.840 km W of Tatitlek, Alaska · 15684 days ago · 23 km deep · 8 km away

Before

  1. 5.044 km E of Chenega, Alaska · 15757 days ago · 28 km deep · 96 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0001y6d (also filed as gcmtb090783a, ushis3815, gcmt19830907192204, iscgem567990). Read Tue, Sep 29, 2026, 9:56 PM UTC.