Alaska earthquakes

M3.4 earthquake 115 km SE of Akhiok, Alaska

A magnitude 3.4 earthquake struck 115 km SE of Akhiok, Alaska on Fri, Aug 28, 2020, 7:44 AM AKDT (15:44 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M4.0 88 km SSW of Akhiok, Alaska. This one was a foreshock.

Womens Bay forecastMore in Alaska

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
3.4 (ML, local (Richter)), minor
Magnitude from
Alaska Earthquake Center
Local time
UTC
2020-08-28 15:44:04 UTC
Depth
7.2 km (4.5 mi), shallow
Epicenter
56.112° N, 153.047° 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
3.4ML, local (Richter)Alaska Earthquake CenterPreferred · Preliminary
3.6ML, local (Richter)USGS National Earthquake Information CenterReviewed · ±0.06 · 36 stations

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Stations used
72

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 15 in the 30 days before it.

After

  1. 2.2144 km SSE of Old Harbor, Alaska · 2213 days ago · 13 km deep · 34 km away
  2. 2.046 km SE of Old Harbor, Alaska · 2198 days ago · 3 km deep · 84 km away
  3. 2.596 km SSE of Akhiok, Alaska · 2194 days ago · 31 km deep · 37 km away
  4. 4.088 km SSW of Akhiok, Alaska · 2178 days ago · 43 km deep · 91 km away

Before

  1. 2.9115 km SE of Akhiok, Alaska · 2228 days ago · 3 km deep · 2 km away
  2. 2.8114 km SE of Akhiok, Alaska · 2228 days ago · 5 km deep · 3 km away
  3. 2.543 km SE of Old Harbor, Alaska · 2232 days ago · 7 km deep · 88 km away
  4. 1.640 km SE of Old Harbor, Alaska · 2232 days ago · 17 km deep · 98 km away
  5. 2.4Kodiak Island region, Alaska · 2232 days ago · 1 km deep · 84 km away
  6. 2.135 km SSE of Old Harbor, Alaska · 2234 days ago · 41 km deep · 87 km away
  7. 3.0156 km SE of Old Harbor, Alaska · 2236 days ago · 15 km deep · 100 km away
  8. 2.9115 km SE of Akhiok, Alaska · 2240 days ago · 8 km deep · 3 km away
  9. 2.3115 km SE of Akhiok, Alaska · 2240 days ago · 26 km deep · 2 km away
  10. 1.874 km S of Old Harbor, Alaska · 2245 days ago · 36 km deep · 48 km away
  11. 1.570 km S of Akhiok, Alaska · 2245 days ago · 7 km deep · 61 km away
  12. 2.948 km SSE of Akhiok, Alaska · 2245 days ago · 25 km deep · 73 km away · felt by 1
  13. 1.640 km SSE of Akhiok, Alaska · 2246 days ago · 23 km deep · 77 km away
  14. 2.180 km SE of Akhiok, Alaska · 2248 days ago · 38 km deep · 39 km away
  15. 2.245 km SE of Old Harbor, Alaska · 2256 days ago · 2 km deep · 89 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak020b2tpkpg (also filed as us7000beeh). Read Sun, Oct 4, 2026, 4:18 PM UTC.