Alaska earthquakes

M2.9 earthquake 178 km SE of Atka, Alaska

A magnitude 2.9 earthquake struck 178 km SE of Atka, Alaska on Mon, Jun 1, 2020, 1:02 PM HADT (22:02 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.5 141 km SE of Atka, Alaska. This one was a foreshock.

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The earthquake

Magnitude
2.9 (ml), micro
Local time
UTC
2020-06-01 22:02:04 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
50.905° N, 172.682° 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 4.9 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.15
Depth from
Operator assigned
Station coverage gap
314°, poorly surrounded by stations
Stations used
21

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. 1.988 km SE of Atka, Alaska · 2311 days ago · 8 km deep · 89 km away
  2. 1.9135 km ESE of Atka, Alaska · 2308 days ago · 36 km deep · 92 km away
  3. 2.8187 km SSE of Atka, Alaska · 2292 days ago · 8 km deep · 71 km away
  4. 3.5141 km SE of Atka, Alaska · 2289 days ago · 35 km deep · 59 km away
  5. 2.0138 km S of Atka, Alaska · 2286 days ago · 7 km deep · 81 km away
  6. 2.9170 km S of Atka, Alaska · 2281 days ago · 10 km deep · 91 km away
  7. 2.099 km SSE of Atka, Alaska · 2277 days ago · 13 km deep · 94 km away
  8. 1.8154 km S of Atka, Alaska · 2276 days ago · 8 km deep · 96 km away
  9. 2.6200 km SSE of Atka, Alaska · 2274 days ago · 10 km deep · 65 km away
  10. 2.3165 km SSE of Atka, Alaska · 2274 days ago · 10 km deep · 50 km away
  11. 1.795 km SE of Atka, Alaska · 2270 days ago · 45 km deep · 92 km away
  12. 2.1188 km SSE of Atka, Alaska · 2269 days ago · 16 km deep · 12 km away
  13. 2.1193 km SSE of Atka, Alaska · 2264 days ago · 19 km deep · 72 km away
  14. 2.7107 km SSE of Atka, Alaska · 2264 days ago · 35 km deep · 88 km away
  15. 3.2133 km SE of Atka, Alaska · 2258 days ago · 35 km deep · 47 km away
  16. 2.8121 km SE of Atka, Alaska · 2256 days ago · 156 km deep · 70 km away
  17. 3.2182 km SSE of Atka, Alaska · 2256 days ago · 10 km deep · 71 km away
  18. 3.387 km SE of Atka, Alaska · 2255 days ago · 22 km deep · 92 km away
  19. 1.8141 km SSE of Atka, Alaska · 2254 days ago · 9 km deep · 58 km away

Before

  1. 2.9170 km SSE of Atka, Alaska · 2312 days ago · 10 km deep · 57 km away
  2. 1.9132 km SSE of Atka, Alaska · 2313 days ago · 14 km deep · 65 km away
  3. 2.788 km SSE of Atka, Alaska · 2322 days ago · 35 km deep · 93 km away
  4. 3.0102 km SSE of Atka, Alaska · 2322 days ago · 35 km deep · 77 km away
  5. 2.989 km SSE of Atka, Alaska · 2323 days ago · 16 km deep · 90 km away
  6. 2.2110 km SSE of Atka, Alaska · 2323 days ago · 4 km deep · 70 km away
  7. 3.0226 km SSE of Atka, Alaska · 2325 days ago · 10 km deep · 70 km away
  8. 3.791 km SSE of Atka, Alaska · 2325 days ago · 42 km deep · 88 km away
  9. 4.593 km SSE of Atka, Alaska · 2326 days ago · 28 km deep · 85 km away
  10. 2.6140 km S of Atka, Alaska · 2326 days ago · 10 km deep · 84 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000a9ha (also filed as ak02071ec2pk). Read Wed, Sep 30, 2026, 3:14 AM UTC.