Alaska earthquakes

M3.7 earthquake 100 km SE of Chignik, Alaska

A magnitude 3.7 earthquake struck 100 km SE of Chignik, Alaska on Thu, Apr 2, 2020, 6:56 AM AKDT (14:56 UTC), 13 km (8 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
3.7 (ml), minor
Local time
UTC
2020-04-02 14:56:09 UTC
Depth
12.9 km (8.0 mi), shallow
Epicenter
55.789° N, 157.073° W
Region
Alaska
Strongest shaking
II, weak 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
II, weak shaking
Peak ground acceleration
4.0% of gravity
Peak ground velocity
0.0 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.

How well it is located

Reviewed by a seismologist.

Stations used
169

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 19 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 2.640 km E of Chignik, Alaska · 2366 days ago · 57 km deep · 74 km away
  2. 2.062 km ESE of Chignik, Alaska · 2365 days ago · 42 km deep · 49 km away
  3. 2.3114 km SSE of Ugashik, Alaska · 2361 days ago · 76 km deep · 98 km away
  4. 2.33 km NE of Chignik, Alaska · 2360 days ago · 73 km deep · 100 km away
  5. 3.6155 km SW of Akhiok, Alaska · 2360 days ago · 48 km deep · 83 km away
  6. 3.778 km SE of Perryville, Alaska · 2359 days ago · 17 km deep · 89 km away · felt by 2
  7. 2.222 km E of Chignik, Alaska · 2348 days ago · 63 km deep · 80 km away
  8. 2.670 km SSE of Chignik, Alaska · 2342 days ago · 31 km deep · 50 km away
  9. 2.5124 km E of Chignik, Alaska · 2340 days ago · 70 km deep · 83 km away
  10. 2.0131 km E of Chignik, Alaska · 2339 days ago · 65 km deep · 63 km away
  11. 2.372 km ESE of Chignik, Alaska · 2336 days ago · 13 km deep · 30 km away
  12. 1.797 km SSE of Ugashik, Alaska · 2332 days ago · 82 km deep · 100 km away
  13. 2.0124 km E of Chignik, Alaska · 2332 days ago · 78 km deep · 90 km away
  14. 2.2119 km ESE of Chignik, Alaska · 2331 days ago · 3 km deep · 37 km away
  15. 2.377 km ENE of Chignik, Alaska · 2328 days ago · 47 km deep · 84 km away
  16. 1.9Alaska Peninsula · 2327 days ago · 65 km deep · 97 km away
  17. 2.4104 km ESE of Chignik, Alaska · 2326 days ago · 46 km deep · 18 km away
  18. 2.6134 km ESE of Chignik, Alaska · 2325 days ago · 62 km deep · 44 km away
  19. 2.033 km SSE of Chignik, Alaska · 2315 days ago · 88 km deep · 75 km away

Before

  1. 2.6115 km SSE of Ugashik, Alaska · 2375 days ago · 74 km deep · 98 km away
  2. 2.9129 km E of Chignik, Alaska · 2377 days ago · 82 km deep · 77 km away
  3. 2.7129 km WSW of Akhiok, Alaska · 2379 days ago · 60 km deep · 97 km away
  4. 1.973 km ENE of Chignik, Alaska · 2382 days ago · 12 km deep · 87 km away
  5. 2.5158 km SE of Chignik, Alaska · 2387 days ago · 14 km deep · 72 km away
  6. 2.3101 km ENE of Chignik, Alaska · 2391 days ago · 81 km deep · 91 km away
  7. 1.6112 km ENE of Chignik, Alaska · 2392 days ago · 21 km deep · 87 km away
  8. 2.6147 km SE of Chignik, Alaska · 2393 days ago · 7 km deep · 57 km away
  9. 2.1Alaska Peninsula · 2396 days ago · 28 km deep · 63 km away
  10. 2.699 km ESE of Chignik, Alaska · 2399 days ago · 2 km deep · 9 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0204a1nd3c (also filed as us70008lmg). Read Wed, Sep 30, 2026, 2:35 AM UTC.