Alaska earthquakes

M3.6 earthquake 202 km SSE of Unalaska, Alaska

A magnitude 3.6 earthquake struck 202 km SSE of Unalaska, Alaska on Fri, Aug 12, 2022, 3:43 AM AKDT (11:43 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M3.7 201 km SE of Akutan, 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
3.6 (mb), minor
Local time
UTC
2022-08-12 11:43:42 UTC
Depth
15.5 km (9.6 mi), shallow
Epicenter
52.344° N, 164.903° 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 7.4 km horizontally, 6.3 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
170°
Stations used
59

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 14 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 2.1190 km SSE of Unalaska, Alaska · 1507 days ago · 10 km deep · 19 km away
  2. 2.2178 km SSE of Akutan, Alaska · 1494 days ago · 2 km deep · 58 km away
  3. 2.1171 km SE of Unalaska, Alaska · 1490 days ago · 21 km deep · 34 km away
  4. 1.6117 km SSE of Akutan, Alaska · 1486 days ago · 13 km deep · 90 km away
  5. 1.8159 km SSE of Unalaska, Alaska · 1486 days ago · 9 km deep · 43 km away
  6. 2.7210 km SE of Akutan, Alaska · 1477 days ago · 10 km deep · 91 km away
  7. 1.9150 km SE of Akutan, Alaska · 1472 days ago · 14 km deep · 86 km away
  8. 2.6197 km SSE of Unalaska, Alaska · 1471 days ago · 10 km deep · 69 km away
  9. 2.7213 km SE of Akutan, Alaska · 1466 days ago · 10 km deep · 94 km away
  10. 3.1194 km SE of Akutan, Alaska · 1462 days ago · 10 km deep · 92 km away
  11. 2.2116 km SSE of Unalaska, Alaska · 1459 days ago · 26 km deep · 87 km away
  12. 3.1215 km SE of Unalaska, Alaska · 1457 days ago · 17 km deep · 19 km away
  13. 3.7201 km SE of Akutan, Alaska · 1453 days ago · 10 km deep · 100 km away
  14. 3.2109 km SSE of Akutan, Alaska · 1453 days ago · 35 km deep · 100 km away

Before

  1. 2.9193 km SE of Akutan, Alaska · 1512 days ago · 10 km deep · 74 km away
  2. 2.6210 km SSE of Akutan, Alaska · 1517 days ago · 10 km deep · 51 km away
  3. 1.9105 km SE of Unalaska, Alaska · 1517 days ago · 4 km deep · 97 km away
  4. 2.6206 km SSE of Unalaska, Alaska · 1520 days ago · 16 km deep · 38 km away
  5. 1.9199 km SSE of Akutan, Alaska · 1526 days ago · 10 km deep · 49 km away
  6. 2.0149 km SSE of Akutan, Alaska · 1529 days ago · 17 km deep · 76 km away
  7. 2.0137 km SE of Akutan, Alaska · 1530 days ago · 21 km deep · 93 km away
  8. 2.7south of Alaska · 1534 days ago · 19 km deep · 57 km away
  9. 2.0130 km SSE of Akutan, Alaska · 1539 days ago · 14 km deep · 89 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000icsu (also filed as ak022aan6tlv). Read Wed, Sep 30, 2026, 3:54 AM UTC.