Alaska earthquakes

M1.5 earthquake 36 km N of McCarthy, Alaska

A magnitude 1.5 earthquake struck 36 km N of McCarthy, Alaska on Tue, Aug 22, 2023, 8:45 PM AKDT (04:45 UTC), 81 km (50 mi) below the surface.

A larger quake followed: M2.4 83 km SSW of Alcan Border, 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
1.5 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2023-08-23 04:45:50 UTC
Depth
80.8 km (50.2 mi), intermediate-depth
Epicenter
61.761° N, 142.838° 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.

Stations used
63

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 2 in the 30 days before it.

After

  1. 2.483 km SSW of Alcan Border, Alaska · 1136 days ago · 6 km deep · 72 km away
  2. 1.779 km E of McCarthy, Alaska · 1134 days ago · 1 km deep · 76 km away
  3. 1.599 km E of McCarthy, Alaska · 1133 days ago · 0 km deep · 98 km away
  4. 1.583 km E of McCarthy, Alaska · 1133 days ago · 9 km deep · 81 km away
  5. 2.098 km E of McCarthy, Alaska · 1129 days ago · 3 km deep · 93 km away
  6. 2.1Southern Alaska · 1129 days ago · 0 km deep · 92 km away
  7. 1.697 km ENE of McCarthy, Alaska · 1129 days ago · 1 km deep · 91 km away
  8. 1.574 km SE of Nabesna, Alaska · 1128 days ago · 9 km deep · 60 km away
  9. 1.8101 km E of McCarthy, Alaska · 1107 days ago · 8 km deep · 97 km away · felt by 1
  10. 1.6102 km E of McCarthy, Alaska · 1106 days ago · 4 km deep · 97 km away
  11. 1.5102 km E of McCarthy, Alaska · 1105 days ago · 7 km deep · 98 km away
  12. 2.0102 km E of McCarthy, Alaska · 1090 days ago · 4 km deep · 99 km away
  13. 1.653 km NNE of Chitina, Alaska · 1085 days ago · 3 km deep · 67 km away
  14. 1.860 km ESE of Nabesna, Alaska · 1083 days ago · 5 km deep · 67 km away

Before

  1. 1.872 km E of McCarthy, Alaska · 1145 days ago · 0 km deep · 72 km away
  2. 2.572 km E of McCarthy, Alaska · 1154 days ago · 1 km deep · 73 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak023aspy1l4. Read Fri, Oct 2, 2026, 5:06 AM UTC.