Alaska earthquakes

M2.9 earthquake 201 km SSW of Nikolski, Alaska

A magnitude 2.9 earthquake struck 201 km SSW of Nikolski, Alaska on Wed, Mar 5, 2025, 10:52 PM HAST (08:52 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.3 113 km SSW of Nikolski, 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
2.9 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2025-03-06 08:52:31 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
51.273° N, 170.026° 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
2.9ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.097 · 14 stations
3.0ML, 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 6.5 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.10
Depth from
Operator assigned
Station coverage gap
229°, poorly surrounded by stations
Stations used
25

Nearby

Within 100 km, magnitude 1.5 and up: 16 in the 60 days after this one and 12 in the 30 days before it.

After

  1. 2.8190 km SSW of Nikolski, Alaska · 576 days ago · 10 km deep · 17 km away
  2. 2.9191 km SSW of Nikolski, Alaska · 576 days ago · 10 km deep · 10 km away
  3. 3.9160 km SW of Nikolski, Alaska · 567 days ago · 10 km deep · 59 km away
  4. 2.7149 km SW of Nikolski, Alaska · 567 days ago · 35 km deep · 81 km away
  5. 2.8166 km SW of Nikolski, Alaska · 555 days ago · 35 km deep · 93 km away
  6. 3.2161 km SW of Nikolski, Alaska · 554 days ago · 35 km deep · 96 km away
  7. 3.0163 km SW of Nikolski, Alaska · 554 days ago · 35 km deep · 99 km away
  8. 3.9129 km SW of Nikolski, Alaska · 547 days ago · 21 km deep · 82 km away
  9. 4.1111 km SSW of Nikolski, Alaska · 539 days ago · 10 km deep · 94 km away
  10. 4.0110 km SSW of Nikolski, Alaska · 538 days ago · 10 km deep · 94 km away
  11. 3.1106 km SSW of Nikolski, Alaska · 537 days ago · 10 km deep · 98 km away
  12. 3.1107 km SSW of Nikolski, Alaska · 537 days ago · 10 km deep · 97 km away
  13. 3.2116 km SSW of Nikolski, Alaska · 536 days ago · 10 km deep · 89 km away
  14. 4.3113 km SSW of Nikolski, Alaska · 534 days ago · 13 km deep · 89 km away
  15. 2.5148 km SSW of Nikolski, Alaska · 528 days ago · 10 km deep · 53 km away
  16. 3.3272 km SSW of Nikolski, Alaska · 520 days ago · 10 km deep · 71 km away

Before

  1. 3.4206 km SSW of Nikolski, Alaska · 578 days ago · 38 km deep · 5 km away
  2. 3.8202 km SSW of Nikolski, Alaska · 578 days ago · 10 km deep · 2 km away
  3. 3.8195 km SSW of Nikolski, Alaska · 578 days ago · 10 km deep · 7 km away
  4. 3.3152 km SW of Nikolski, Alaska · 578 days ago · 44 km deep · 93 km away
  5. 3.5206 km SSW of Nikolski, Alaska · 580 days ago · 10 km deep · 7 km away
  6. 4.6204 km SSW of Nikolski, Alaska · 580 days ago · 10 km deep · 3 km away
  7. 4.1195 km SSW of Nikolski, Alaska · 580 days ago · 10 km deep · 10 km away
  8. 3.0297 km SSW of Nikolski, Alaska · 584 days ago · 10 km deep · 98 km away
  9. 2.5184 km SSW of Nikolski, Alaska · 585 days ago · 10 km deep · 31 km away
  10. 3.0157 km SW of Nikolski, Alaska · 592 days ago · 10 km deep · 89 km away
  11. 3.7186 km S of Nikolski, Alaska · 601 days ago · 10 km deep · 95 km away
  12. 3.3181 km SW of Nikolski, Alaska · 602 days ago · 35 km deep · 99 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000pyud (also filed as ak0252zn08t6). Read Sat, Oct 3, 2026, 3:12 PM UTC.