Alaska earthquakes

M3.0 earthquake 189 km SSE of Unalaska, Alaska

A magnitude 3.0 earthquake struck 189 km SSE of Unalaska, Alaska on Tue, Dec 19, 2023, 11:48 PM AKST (08:48 UTC), 17 km (11 mi) below the surface.

A larger quake followed: M3.2 105 km SE of Unalaska, Alaska. This one was a foreshock.

Unalaska 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
3.0 (ml), minor
Local time
UTC
2023-12-20 08:48:49 UTC
Depth
17.5 km (10.9 mi), shallow
Epicenter
52.334° N, 165.336° 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 6.2 km horizontally, 8.7 km in depth
Magnitude uncertainty
±0.10
Depth from
From location
Station coverage gap
229°, poorly surrounded by stations
Stations used
21

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 13 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 3.2105 km SE of Unalaska, Alaska · 1012 days ago · 35 km deep · 92 km away
  2. 2.9195 km SSE of Akutan, Alaska · 1009 days ago · 10 km deep · 51 km away
  3. 2.6191 km S of Unalaska, Alaska · 1008 days ago · 10 km deep · 61 km away
  4. 2.6203 km SSE of Akutan, Alaska · 998 days ago · 10 km deep · 89 km away
  5. 2.7207 km S of Unalaska, Alaska · 985 days ago · 35 km deep · 52 km away
  6. 3.1218 km SSE of Unalaska, Alaska · 982 days ago · 16 km deep · 41 km away
  7. 3.2201 km SSE of Unalaska, Alaska · 982 days ago · 10 km deep · 14 km away
  8. 2.9167 km SSE of Unalaska, Alaska · 981 days ago · 10 km deep · 33 km away
  9. 3.1203 km SSE of Unalaska, Alaska · 981 days ago · 17 km deep · 15 km away
  10. 3.1179 km SSE of Unalaska, Alaska · 980 days ago · 10 km deep · 28 km away
  11. 2.3159 km ESE of Nikolski, Alaska · 979 days ago · 25 km deep · 97 km away
  12. 3.1231 km SSE of Akutan, Alaska · 968 days ago · 10 km deep · 98 km away
  13. 2.3113 km SSE of Unalaska, Alaska · 963 days ago · 26 km deep · 77 km away

Before

  1. 2.8192 km SSE of Unalaska, Alaska · 1017 days ago · 10 km deep · 30 km away
  2. 2.9194 km SSE of Unalaska, Alaska · 1020 days ago · 10 km deep · 10 km away
  3. 3.2193 km SSE of Unalaska, Alaska · 1020 days ago · 10 km deep · 9 km away
  4. 3.4202 km SSE of Unalaska, Alaska · 1022 days ago · 17 km deep · 15 km away
  5. 3.0204 km SSE of Unalaska, Alaska · 1029 days ago · 10 km deep · 16 km away
  6. 3.2151 km ESE of Nikolski, Alaska · 1030 days ago · 10 km deep · 99 km away
  7. 2.6136 km SSE of Akutan, Alaska · 1030 days ago · 25 km deep · 83 km away
  8. 3.3151 km ESE of Nikolski, Alaska · 1034 days ago · 10 km deep · 97 km away
  9. 3.1147 km S of Unalaska, Alaska · 1036 days ago · 21 km deep · 93 km away
  10. 2.2157 km ESE of Nikolski, Alaska · 1036 days ago · 25 km deep · 93 km away
  11. 3.3157 km ESE of Nikolski, Alaska · 1036 days ago · 19 km deep · 96 km away
  12. 2.2150 km ESE of Nikolski, Alaska · 1036 days ago · 20 km deep · 100 km away
  13. 2.2149 km ESE of Nikolski, Alaska · 1036 days ago · 26 km deep · 99 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000m1w9 (also filed as ak023g9lapum). Read Tue, Sep 29, 2026, 7:08 PM UTC.