Alaska earthquakes

M3.0 earthquake 222 km SW of Adak, Alaska

A magnitude 3.0 earthquake struck 222 km SW of Adak, Alaska on Tue, Jun 17, 2025, 12:44 AM HADT (09:44 UTC), 10 km (6 mi) below the surface.

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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
3.0 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2025-06-17 09:44:19 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
50.255° N, 178.486° W
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Magnitude estimates

Different scales measure different things and differ by a few tenths. The USGS marks one as preferred, and it is the one this page uses.

Mag.ScaleComputed byNotes
3.0ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.091 · 16 stations
2.7ML, local (Richter)Alaska Earthquake CenterPreliminary

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 6.4 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.09
Depth from
Operator assigned
Station coverage gap
247°, poorly surrounded by stations
Stations used
30

Nearby

Within 100 km, magnitude 1.5 and up: 21 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 2.5217 km SW of Adak, Alaska · 473 days ago · 10 km deep · 4 km away
  2. 2.2174 km WSW of Adak, Alaska · 464 days ago · 16 km deep · 92 km away
  3. 2.7158 km WSW of Adak, Alaska · 461 days ago · 32 km deep · 97 km away
  4. 2.1172 km SW of Adak, Alaska · 457 days ago · 26 km deep · 76 km away
  5. 2.7184 km WSW of Adak, Alaska · 455 days ago · 24 km deep · 99 km away
  6. 2.3191 km SSW of Adak, Alaska · 449 days ago · 9 km deep · 90 km away
  7. 2.5180 km WSW of Adak, Alaska · 448 days ago · 23 km deep · 98 km away
  8. 1.6138 km SW of Adak, Alaska · 448 days ago · 18 km deep · 98 km away
  9. 2.7184 km SSW of Adak, Alaska · 439 days ago · 10 km deep · 72 km away
  10. 1.5157 km WSW of Adak, Alaska · 439 days ago · 23 km deep · 100 km away
  11. 1.5161 km WSW of Adak, Alaska · 439 days ago · 22 km deep · 99 km away
  12. 1.5143 km SW of Adak, Alaska · 435 days ago · 20 km deep · 92 km away
  13. 2.9246 km SSW of Adak, Alaska · 434 days ago · 10 km deep · 39 km away
  14. 2.6162 km WSW of Adak, Alaska · 427 days ago · 35 km deep · 93 km away
  15. 2.8204 km SSW of Adak, Alaska · 426 days ago · 10 km deep · 41 km away
  16. 2.7165 km SSW of Adak, Alaska · 425 days ago · 38 km deep · 88 km away
  17. 2.4169 km SSW of Adak, Alaska · 422 days ago · 12 km deep · 71 km away
  18. 2.2140 km SW of Adak, Alaska · 418 days ago · 21 km deep · 93 km away
  19. 2.7172 km SSW of Adak, Alaska · 418 days ago · 10 km deep · 94 km away
  20. 1.9130 km SW of Adak, Alaska · 415 days ago · 25 km deep · 99 km away
  21. 2.7193 km SSW of Adak, Alaska · 414 days ago · 9 km deep · 30 km away

Before

  1. 3.2201 km SW of Adak, Alaska · 475 days ago · 10 km deep · 21 km away
  2. 1.8159 km WSW of Adak, Alaska · 482 days ago · 23 km deep · 100 km away
  3. 3.1178 km SSW of Adak, Alaska · 485 days ago · 10 km deep · 80 km away
  4. 1.9182 km SSW of Adak, Alaska · 486 days ago · 6 km deep · 42 km away
  5. 2.2292 km SW of Adak, Alaska · 486 days ago · 9 km deep · 79 km away
  6. 3.7269 km SW of Adak, Alaska · 488 days ago · 10 km deep · 65 km away
  7. 3.6266 km SW of Adak, Alaska · 489 days ago · 10 km deep · 64 km away
  8. 2.2159 km WSW of Adak, Alaska · 490 days ago · 9 km deep · 97 km away
  9. 2.2195 km SSW of Adak, Alaska · 503 days ago · 9 km deep · 87 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000q86f (also filed as ak0257pzwpqi). Read Sun, Oct 4, 2026, 5:56 AM UTC.