Alaska earthquakes

M2.3 earthquake 151 km S of Atka, Alaska

A magnitude 2.3 earthquake struck 151 km S of Atka, Alaska on Sat, Sep 9, 2017, 10:16 AM HADT (19:16 UTC), 18 km (11 mi) below the surface.

A larger quake followed: M3.3 181 km SSE of Atka, Alaska. This one was a foreshock.

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The earthquake

Magnitude
2.3 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2017-09-09 19:16:13 UTC
Depth
17.6 km (10.9 mi), shallow
Epicenter
50.832° N, 174.229° 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
11

Nearby

Within 100 km, magnitude 1.5 and up: 18 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 3.3181 km SSE of Atka, Alaska · 3295 days ago · 10 km deep · 65 km away
  2. 2.359 km SSW of Atka, Alaska · 3290 days ago · 3 km deep · 95 km away
  3. 2.3166 km SSE of Atka, Alaska · 3289 days ago · 30 km deep · 55 km away
  4. 2.0111 km SSE of Atka, Alaska · 3288 days ago · 35 km deep · 60 km away
  5. 2.991 km SSE of Atka, Alaska · 3282 days ago · 10 km deep · 67 km away
  6. 2.3151 km SSE of Atka, Alaska · 3282 days ago · 26 km deep · 37 km away
  7. 2.762 km S of Atka, Alaska · 3278 days ago · 21 km deep · 90 km away
  8. 1.653 km S of Atka, Alaska · 3275 days ago · 21 km deep · 98 km away
  9. 2.086 km S of Atka, Alaska · 3273 days ago · 28 km deep · 65 km away
  10. 2.689 km SSE of Atka, Alaska · 3272 days ago · 28 km deep · 89 km away
  11. 2.579 km SW of Atka, Alaska · 3271 days ago · 35 km deep · 99 km away
  12. 2.8150 km S of Atka, Alaska · 3269 days ago · 12 km deep · 19 km away
  13. 2.879 km SSE of Atka, Alaska · 3266 days ago · 25 km deep · 96 km away
  14. 2.7113 km SSW of Atka, Alaska · 3258 days ago · 35 km deep · 73 km away
  15. 2.0112 km SSW of Atka, Alaska · 3258 days ago · 26 km deep · 76 km away
  16. 2.9118 km SSW of Atka, Alaska · 3258 days ago · 26 km deep · 68 km away
  17. 2.3Andreanof Islands, Aleutian Islands, Alaska · 3257 days ago · 20 km deep · 69 km away
  18. 2.5175 km SSE of Atka, Alaska · 3255 days ago · 20 km deep · 54 km away

Before

  1. 2.6104 km SSW of Atka, Alaska · 3311 days ago · 33 km deep · 69 km away
  2. 2.458 km SSE of Atka, Alaska · 3315 days ago · 7 km deep · 99 km away
  3. 1.789 km S of Atka, Alaska · 3318 days ago · 16 km deep · 63 km away
  4. 3.979 km S of Atka, Alaska · 3318 days ago · 43 km deep · 74 km away
  5. 2.1128 km SE of Adak, Alaska · 3320 days ago · 26 km deep · 75 km away
  6. 2.298 km SW of Atka, Alaska · 3323 days ago · 26 km deep · 98 km away
  7. 1.669 km SSE of Atka, Alaska · 3337 days ago · 25 km deep · 91 km away
  8. 1.5113 km SSW of Atka, Alaska · 3338 days ago · 17 km deep · 83 km away
  9. 2.169 km S of Atka, Alaska · 3338 days ago · 15 km deep · 83 km away
  10. 2.272 km S of Atka, Alaska · 3339 days ago · 14 km deep · 79 km away
  11. 2.5206 km SSE of Atka, Alaska · 3339 days ago · 25 km deep · 90 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak017bl2u5f2 (also filed as ak16823547). Read Fri, Oct 2, 2026, 6:36 AM UTC.