Alaska earthquakes

M2.9 earthquake 187 km SSE of Adak, Alaska

A magnitude 2.9 earthquake struck 187 km SSE of Adak, Alaska on Sat, Apr 2, 2022, 8:47 PM HADT (05:47 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
2.9 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2022-04-03 05:47:41 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
50.412° N, 175.287° 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 · ±0.109 · 14 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 5.1 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.11
Depth from
Operator assigned
Station coverage gap
273°, poorly surrounded by stations
Stations used
22

Nearby

Within 100 km, magnitude 1.5 and up: 16 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 1.9105 km SE of Adak, Alaska · 1643 days ago · 17 km deep · 85 km away
  2. 2.6170 km SSE of Adak, Alaska · 1637 days ago · 28 km deep · 18 km away
  3. 2.5188 km SSE of Adak, Alaska · 1637 days ago · 10 km deep · 7 km away
  4. 2.2156 km S of Adak, Alaska · 1636 days ago · 80 km deep · 98 km away
  5. 2.1123 km SSW of Atka, Alaska · 1629 days ago · 26 km deep · 90 km away
  6. 2.1150 km S of Atka, Alaska · 1622 days ago · 5 km deep · 80 km away
  7. 2.3161 km SSE of Adak, Alaska · 1615 days ago · 11 km deep · 28 km away
  8. 2.0152 km SE of Adak, Alaska · 1612 days ago · 8 km deep · 53 km away
  9. 1.6168 km S of Adak, Alaska · 1608 days ago · 26 km deep · 94 km away
  10. 2.2163 km SE of Adak, Alaska · 1606 days ago · 20 km deep · 32 km away
  11. 2.5163 km SSE of Adak, Alaska · 1605 days ago · 10 km deep · 62 km away
  12. 2.0170 km SE of Adak, Alaska · 1603 days ago · 35 km deep · 32 km away
  13. 2.1240 km S of Atka, Alaska · 1603 days ago · 13 km deep · 55 km away
  14. 1.8161 km SE of Adak, Alaska · 1601 days ago · 26 km deep · 46 km away
  15. 1.8171 km SSW of Atka, Alaska · 1598 days ago · 29 km deep · 44 km away
  16. 1.6206 km SSE of Adak, Alaska · 1585 days ago · 28 km deep · 44 km away

Before

  1. 4.3180 km SSW of Atka, Alaska · 1652 days ago · 10 km deep · 36 km away
  2. 1.996 km SSE of Adak, Alaska · 1655 days ago · 10 km deep · 94 km away
  3. 2.1167 km SE of Adak, Alaska · 1661 days ago · 9 km deep · 38 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000hl0w (also filed as ak02249w8m37). Read Fri, Oct 2, 2026, 2:12 AM UTC.