Alaska earthquakes

M2.8 earthquake 59 km SW of Nelson Lagoon, Alaska

A magnitude 2.8 earthquake struck 59 km SW of Nelson Lagoon, Alaska on Sun, Dec 28, 2025, 8:21 AM AKST (17:21 UTC), 116 km (72 mi) below the surface.

A larger quake followed: M4.0 66 km SE of King Cove, Alaska. This one was a foreshock.

King Cove forecastMore in Alaska

Map

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

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The earthquake

Magnitude
2.8 (ml), micro
Local time
UTC
2025-12-28 17:21:15 UTC
Depth
116.2 km (72.2 mi), intermediate-depth
Epicenter
55.580° N, 161.790° 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 7.8 km horizontally, 4.7 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
87°
Stations used
22

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 23 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 2.455 km E of King Cove, Alaska · 271 days ago · 74 km deep · 63 km away
  2. 2.45 km E of Nelson Lagoon, Alaska · 266 days ago · 153 km deep · 63 km away
  3. 3.223 km S of King Cove, Alaska · 264 days ago · 91 km deep · 86 km away
  4. 2.948 km S of Nelson Lagoon, Alaska · 264 days ago · 109 km deep · 41 km away
  5. 2.342 km SE of King Cove, Alaska · 263 days ago · 67 km deep · 86 km away
  6. 2.256 km SSW of Sand Point, Alaska · 253 days ago · 40 km deep · 99 km away
  7. 2.453 km ESE of King Cove, Alaska · 249 days ago · 62 km deep · 80 km away
  8. 3.143 km NNW of Nelson Lagoon, Alaska · 247 days ago · 206 km deep · 84 km away
  9. 4.066 km SE of King Cove, Alaska · 245 days ago · 54 km deep · 98 km away
  10. 1.815 km S of Cold Bay, Alaska · 240 days ago · 116 km deep · 82 km away
  11. 2.247 km SW of Sand Point, Alaska · 239 days ago · 63 km deep · 75 km away
  12. 2.642 km SE of King Cove, Alaska · 239 days ago · 79 km deep · 87 km away
  13. 2.252 km NNE of Cold Bay, Alaska · 238 days ago · 162 km deep · 35 km away
  14. 2.262 km SE of King Cove, Alaska · 238 days ago · 74 km deep · 98 km away
  15. 2.712 km N of Sand Point, Alaska · 234 days ago · 74 km deep · 83 km away
  16. 2.245 km SSW of Nelson Lagoon, Alaska · 231 days ago · 115 km deep · 16 km away
  17. 3.323 km S of Sand Point, Alaska · 227 days ago · 54 km deep · 94 km away
  18. 2.017 km NNE of Sand Point, Alaska · 226 days ago · 50 km deep · 87 km away
  19. 1.734 km ESE of King Cove, Alaska · 225 days ago · 76 km deep · 73 km away
  20. 2.322 km E of Nelson Lagoon, Alaska · 224 days ago · 87 km deep · 76 km away
  21. 2.428 km WSW of Nelson Lagoon, Alaska · 223 days ago · 19 km deep · 38 km away
  22. 1.828 km ESE of King Cove, Alaska · 221 days ago · 90 km deep · 64 km away
  23. 2.563 km E of King Cove, Alaska · 221 days ago · 60 km deep · 73 km away

Before

  1. 2.658 km SSW of Sand Point, Alaska · 279 days ago · 22 km deep · 100 km away
  2. 1.818 km SSE of Cold Bay, Alaska · 280 days ago · 94 km deep · 80 km away
  3. 3.026 km SSW of Nelson Lagoon, Alaska · 294 days ago · 161 km deep · 34 km away
  4. 2.424 km WNW of Sand Point, Alaska · 295 days ago · 75 km deep · 62 km away
  5. 3.560 km WSW of Nelson Lagoon, Alaska · 297 days ago · 177 km deep · 41 km away
  6. 2.349 km SSW of Nelson Lagoon, Alaska · 304 days ago · 154 km deep · 11 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000sgnb (also filed as ak2025znzrbb). Read Wed, Sep 30, 2026, 9:53 PM UTC.