Alaska earthquakes

M2.6 earthquake 184 km S of Unalaska, Alaska

A magnitude 2.6 earthquake struck 184 km S of Unalaska, Alaska on Wed, Mar 19, 2025, 11:26 AM AKDT (19:26 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.2 192 km ESE of Nikolski, Alaska. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
2.6 (ml), micro
Local time
UTC
2025-03-19 19:26:03 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
52.221° N, 166.350° 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 3.8 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.10
Depth from
Operator assigned
Station coverage gap
251°, poorly surrounded by stations
Stations used
19

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 20 in the 60 days after this one and 15 in the 30 days before it.

After

  1. 3.2192 km ESE of Nikolski, Alaska · 557 days ago · 10 km deep · 17 km away
  2. 1.9117 km ESE of Nikolski, Alaska · 554 days ago · 9 km deep · 77 km away
  3. 3.0113 km S of Unalaska, Alaska · 553 days ago · 35 km deep · 80 km away
  4. 2.7207 km SSE of Unalaska, Alaska · 553 days ago · 10 km deep · 94 km away
  5. 1.986 km S of Unalaska, Alaska · 552 days ago · 26 km deep · 98 km away
  6. 2.5115 km E of Nikolski, Alaska · 552 days ago · 35 km deep · 84 km away
  7. 2.898 km ESE of Nikolski, Alaska · 549 days ago · 9 km deep · 91 km away
  8. 2.0218 km SSE of Unalaska, Alaska · 546 days ago · 12 km deep · 48 km away
  9. 2.3192 km SSE of Unalaska, Alaska · 545 days ago · 1 km deep · 98 km away
  10. 2.3132 km ESE of Nikolski, Alaska · 540 days ago · 24 km deep · 65 km away
  11. 2.1110 km SSE of Unalaska, Alaska · 533 days ago · 13 km deep · 79 km away
  12. 2.1129 km S of Unalaska, Alaska · 525 days ago · 25 km deep · 58 km away
  13. 2.2141 km ESE of Nikolski, Alaska · 522 days ago · 10 km deep · 50 km away
  14. 2.2133 km ESE of Nikolski, Alaska · 522 days ago · 1 km deep · 60 km away
  15. 2.9219 km ESE of Nikolski, Alaska · 518 days ago · 10 km deep · 38 km away
  16. 2.0181 km SSE of Unalaska, Alaska · 515 days ago · 8 km deep · 76 km away
  17. 2.8132 km ESE of Nikolski, Alaska · 511 days ago · 10 km deep · 60 km away
  18. 2.2139 km ESE of Nikolski, Alaska · 508 days ago · 13 km deep · 53 km away
  19. 2.1128 km ESE of Nikolski, Alaska · 508 days ago · 2 km deep · 60 km away
  20. 2.7197 km SSE of Unalaska, Alaska · 501 days ago · 18 km deep · 42 km away

Before

  1. 3.0177 km SSE of Unalaska, Alaska · 567 days ago · 10 km deep · 49 km away
  2. 2.5135 km ESE of Nikolski, Alaska · 570 days ago · 10 km deep · 55 km away
  3. 2.3133 km S of Unalaska, Alaska · 571 days ago · 26 km deep · 62 km away
  4. 2.8157 km SSE of Unalaska, Alaska · 571 days ago · 10 km deep · 60 km away
  5. 3.2210 km SSE of Unalaska, Alaska · 573 days ago · 10 km deep · 88 km away
  6. 3.1166 km SSE of Unalaska, Alaska · 573 days ago · 10 km deep · 74 km away
  7. 2.2156 km SSE of Unalaska, Alaska · 573 days ago · 5 km deep · 93 km away
  8. 2.0138 km ESE of Nikolski, Alaska · 575 days ago · 13 km deep · 54 km away
  9. 2.5139 km ESE of Nikolski, Alaska · 583 days ago · 5 km deep · 55 km away
  10. 1.793 km S of Unalaska, Alaska · 584 days ago · 6 km deep · 93 km away
  11. 1.9127 km S of Unalaska, Alaska · 584 days ago · 5 km deep · 61 km away
  12. 1.9130 km S of Unalaska, Alaska · 586 days ago · 6 km deep · 61 km away
  13. 1.998 km SSW of Unalaska, Alaska · 586 days ago · 17 km deep · 95 km away
  14. 3.1125 km S of Unalaska, Alaska · 587 days ago · 10 km deep · 65 km away
  15. 3.1165 km SE of Nikolski, Alaska · 588 days ago · 10 km deep · 44 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000pmw4 (also filed as ak0253lbdw4a). Read Wed, Sep 30, 2026, 1:22 PM UTC.