Alaska earthquakes

M3.4 earthquake 179 km ESE of Atka, Alaska

A magnitude 3.4 earthquake struck 179 km ESE of Atka, Alaska on Thu, May 7, 2020, 12:11 AM HADT (09:11 UTC), 39 km (24 mi) below the surface.

A larger quake followed: M4.5 184 km E of Atka, Alaska. This one was a foreshock.

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

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The earthquake

Magnitude
3.4 (ml), minor
Local time
UTC
2020-05-07 09:11:01 UTC
Depth
38.7 km (24.0 mi), shallow
Epicenter
51.786° N, 171.679° 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.

Location uncertainty
About 4.1 km horizontally, 13.3 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
174°
Stations used
35

Nearby

Within 100 km, magnitude 1.5 and up: 19 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 3.4159 km WSW of Nikolski, Alaska · 2334 days ago · 35 km deep · 77 km away
  2. 3.8136 km WSW of Nikolski, Alaska · 2321 days ago · 54 km deep · 95 km away
  3. 3.3171 km E of Atka, Alaska · 2320 days ago · 16 km deep · 60 km away
  4. 3.5156 km ESE of Atka, Alaska · 2319 days ago · 35 km deep · 22 km away
  5. 3.8149 km SW of Nikolski, Alaska · 2316 days ago · 35 km deep · 92 km away
  6. 3.7198 km SW of Nikolski, Alaska · 2312 days ago · 35 km deep · 35 km away
  7. 3.2218 km SW of Nikolski, Alaska · 2310 days ago · 10 km deep · 43 km away
  8. 2.2170 km WSW of Nikolski, Alaska · 2309 days ago · 24 km deep · 67 km away
  9. 1.9135 km ESE of Atka, Alaska · 2308 days ago · 36 km deep · 50 km away
  10. 3.381 km ESE of Atka, Alaska · 2303 days ago · 10 km deep · 99 km away
  11. 2.8139 km E of Atka, Alaska · 2301 days ago · 112 km deep · 76 km away
  12. 3.7180 km SW of Nikolski, Alaska · 2291 days ago · 35 km deep · 89 km away
  13. 3.4139 km E of Atka, Alaska · 2291 days ago · 77 km deep · 67 km away
  14. 3.5141 km SE of Atka, Alaska · 2289 days ago · 35 km deep · 73 km away
  15. 4.5184 km E of Atka, Alaska · 2288 days ago · 57 km deep · 23 km away
  16. 2.0100 km ESE of Atka, Alaska · 2283 days ago · 39 km deep · 79 km away
  17. 1.987 km ESE of Atka, Alaska · 2280 days ago · 37 km deep · 97 km away
  18. 3.187 km ESE of Atka, Alaska · 2280 days ago · 170 km deep · 92 km away
  19. 3.0209 km SSW of Nikolski, Alaska · 2278 days ago · 10 km deep · 94 km away

Before

  1. 3.7173 km WSW of Nikolski, Alaska · 2337 days ago · 57 km deep · 81 km away
  2. 3.0186 km SW of Nikolski, Alaska · 2343 days ago · 37 km deep · 45 km away
  3. 2.7104 km ESE of Atka, Alaska · 2345 days ago · 35 km deep · 82 km away
  4. 2.9108 km ESE of Atka, Alaska · 2351 days ago · 35 km deep · 84 km away
  5. 4.1208 km SW of Nikolski, Alaska · 2351 days ago · 10 km deep · 81 km away
  6. 3.6185 km SW of Nikolski, Alaska · 2351 days ago · 26 km deep · 63 km away
  7. 3.6175 km SW of Nikolski, Alaska · 2351 days ago · 27 km deep · 66 km away
  8. 3.9195 km SW of Nikolski, Alaska · 2353 days ago · 19 km deep · 64 km away
  9. 3.1174 km E of Atka, Alaska · 2356 days ago · 35 km deep · 48 km away
  10. 3.6195 km E of Atka, Alaska · 2361 days ago · 35 km deep · 32 km away
  11. 3.1197 km SW of Nikolski, Alaska · 2362 days ago · 35 km deep · 43 km away
  12. 4.1180 km WSW of Nikolski, Alaska · 2365 days ago · 46 km deep · 54 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70009e4l (also filed as ak0205vu7q1g). Read Wed, Sep 30, 2026, 3:49 PM UTC.