Alaska earthquakes

M2.5 earthquake 188 km SSE of Adak, Alaska

A magnitude 2.5 earthquake struck 188 km SSE of Adak, Alaska on Sat, Apr 9, 2022, 3:34 AM HADT (12:34 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
2.5 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2022-04-09 12:34:05 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
50.436° N, 175.203° 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
2.5ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.128 · 8 stations
2.3ML, 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 3.6 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.13
Depth from
Operator assigned
Station coverage gap
243°, poorly surrounded by stations
Stations used
22

Nearby

Within 100 km, magnitude 1.5 and up: 17 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 2.3145 km S of Atka, Alaska · 1631 days ago · 7 km deep · 99 km away
  2. 2.1123 km SSW of Atka, Alaska · 1628 days ago · 26 km deep · 87 km away
  3. 2.1150 km S of Atka, Alaska · 1621 days ago · 5 km deep · 74 km away
  4. 2.0114 km SSW of Atka, Alaska · 1617 days ago · 8 km deep · 98 km away
  5. 2.3161 km SSE of Adak, Alaska · 1614 days ago · 11 km deep · 28 km away
  6. 2.0152 km SE of Adak, Alaska · 1611 days ago · 8 km deep · 49 km away
  7. 1.6168 km S of Adak, Alaska · 1608 days ago · 26 km deep · 100 km away
  8. 2.1164 km S of Atka, Alaska · 1606 days ago · 25 km deep · 100 km away
  9. 2.2163 km SE of Adak, Alaska · 1605 days ago · 20 km deep · 29 km away
  10. 2.5163 km SSE of Adak, Alaska · 1604 days ago · 10 km deep · 68 km away
  11. 2.0170 km SE of Adak, Alaska · 1602 days ago · 35 km deep · 28 km away
  12. 2.1240 km S of Atka, Alaska · 1602 days ago · 13 km deep · 53 km away
  13. 1.8161 km SE of Adak, Alaska · 1600 days ago · 26 km deep · 42 km away
  14. 2.0198 km S of Atka, Alaska · 1600 days ago · 11 km deep · 94 km away
  15. 1.8171 km SSW of Atka, Alaska · 1597 days ago · 29 km deep · 38 km away
  16. 1.6206 km SSE of Adak, Alaska · 1584 days ago · 28 km deep · 50 km away
  17. 1.8217 km SSE of Adak, Alaska · 1577 days ago · 1 km deep · 47 km away

Before

  1. 2.6170 km SSE of Adak, Alaska · 1636 days ago · 28 km deep · 19 km away
  2. 1.9105 km SE of Adak, Alaska · 1642 days ago · 17 km deep · 85 km away
  3. 2.9187 km SSE of Adak, Alaska · 1642 days ago · 10 km deep · 7 km away
  4. 4.3180 km SSW of Atka, Alaska · 1651 days ago · 10 km deep · 30 km away
  5. 2.7142 km S of Atka, Alaska · 1653 days ago · 10 km deep · 94 km away
  6. 1.996 km SSE of Adak, Alaska · 1654 days ago · 10 km deep · 96 km away
  7. 2.1167 km SE of Adak, Alaska · 1660 days ago · 9 km deep · 34 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us7000hdwi (also filed as ak0224jxjv44). Read Thu, Oct 1, 2026, 2:42 AM UTC.