Alaska earthquakes

M3.0 earthquake 187 km SSE of Adak, Alaska

A magnitude 3.0 earthquake struck 187 km SSE of Adak, Alaska on Sun, Jun 26, 2022, 10:19 AM HADT (19:19 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M3.2 98 km SSE of Adak, 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
3.0 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2022-06-26 19:19:48 UTC
Depth
35.4 km (22.0 mi), shallow
Epicenter
50.339° N, 175.521° 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 · ±0.105 · 12 stations
2.4ML, 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 8.7 km horizontally, 23.8 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
234°, poorly surrounded by stations
Stations used
17

Nearby

Within 100 km, magnitude 1.5 and up: 18 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 2.1153 km SSE of Adak, Alaska · 1558 days ago · 25 km deep · 34 km away
  2. 1.9188 km S of Atka, Alaska · 1550 days ago · 10 km deep · 91 km away
  3. 1.6171 km S of Adak, Alaska · 1549 days ago · 24 km deep · 100 km away
  4. 1.9157 km S of Adak, Alaska · 1535 days ago · 26 km deep · 52 km away
  5. 2.1179 km SE of Adak, Alaska · 1528 days ago · 8 km deep · 39 km away
  6. 2.5191 km S of Atka, Alaska · 1521 days ago · 10 km deep · 95 km away
  7. 2.2197 km SSE of Adak, Alaska · 1519 days ago · 23 km deep · 18 km away
  8. 1.6158 km SSE of Adak, Alaska · 1518 days ago · 4 km deep · 50 km away
  9. 2.1166 km S of Atka, Alaska · 1515 days ago · 19 km deep · 97 km away
  10. 1.9Andreanof Islands, Aleutian Islands, Alaska · 1515 days ago · 26 km deep · 84 km away
  11. 1.593 km SSE of Adak, Alaska · 1513 days ago · 16 km deep · 95 km away
  12. 1.8196 km S of Atka, Alaska · 1511 days ago · 25 km deep · 69 km away
  13. 1.6147 km SSE of Adak, Alaska · 1511 days ago · 25 km deep · 40 km away
  14. 3.298 km SSE of Adak, Alaska · 1510 days ago · 31 km deep · 90 km away
  15. 3.0177 km S of Adak, Alaska · 1506 days ago · 10 km deep · 79 km away
  16. 2.5176 km S of Adak, Alaska · 1505 days ago · 10 km deep · 91 km away
  17. 2.3187 km SE of Adak, Alaska · 1505 days ago · 22 km deep · 49 km away
  18. 2.1192 km SSE of Adak, Alaska · 1504 days ago · 5 km deep · 28 km away

Before

  1. 1.8Andreanof Islands, Aleutian Islands, Alaska · 1574 days ago · 6 km deep · 36 km away
  2. 1.8217 km SSE of Adak, Alaska · 1580 days ago · 1 km deep · 32 km away
  3. 1.6206 km SSE of Adak, Alaska · 1587 days ago · 28 km deep · 28 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000ibgt (also filed as ak022851jub0). Read Sun, Oct 4, 2026, 4:42 AM UTC.