Alaska earthquakes

M1.7 earthquake 103 km S of McCarthy, Alaska

A magnitude 1.7 earthquake struck 103 km S of McCarthy, Alaska on Tue, Sep 22, 2020, 11:28 PM AKDT (07:28 UTC), 1 km (1 mi) below the surface.

A larger quake followed: M2.7 97 km S of McCarthy, Alaska. This one was a foreshock.

Cordova 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
1.7 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2020-09-23 07:28:33 UTC
Depth
0.9 km (0.6 mi), shallow
Epicenter
60.508° N, 143.095° 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
41

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 17 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 1.6120 km SSE of McCarthy, Alaska · 2202 days ago · 6 km deep · 75 km away
  2. 2.080 km SE of Cordova, Alaska · 2199 days ago · 14 km deep · 93 km away
  3. 2.6125 km SSW of McCarthy, Alaska · 2197 days ago · 3 km deep · 28 km away
  4. 1.6101 km S of McCarthy, Alaska · 2192 days ago · 8 km deep · 13 km away
  5. 1.5131 km NW of Yakutat, Alaska · 2190 days ago · 13 km deep · 98 km away
  6. 1.698 km E of Cordova, Alaska · 2189 days ago · 16 km deep · 48 km away
  7. 1.6103 km S of McCarthy, Alaska · 2187 days ago · 3 km deep · 3 km away
  8. 2.0122 km S of McCarthy, Alaska · 2181 days ago · 9 km deep · 20 km away
  9. 2.5123 km SSW of McCarthy, Alaska · 2180 days ago · 3 km deep · 26 km away
  10. 1.9124 km SSW of McCarthy, Alaska · 2180 days ago · 5 km deep · 27 km away
  11. 2.0163 km SE of Cordova, Alaska · 2172 days ago · 106 km deep · 94 km away
  12. 2.797 km S of McCarthy, Alaska · 2167 days ago · 10 km deep · 21 km away
  13. 2.0122 km S of McCarthy, Alaska · 2165 days ago · 11 km deep · 19 km away
  14. 2.696 km S of McCarthy, AK · 2163 days ago · 15 km deep · 21 km away
  15. 2.2121 km WNW of Yakutat, Alaska · 2147 days ago · 2 km deep · 96 km away
  16. 1.6135 km SE of McCarthy, Alaska · 2144 days ago · 11 km deep · 93 km away
  17. 1.6136 km WNW of Yakutat, Alaska · 2143 days ago · 6 km deep · 81 km away

Before

  1. 2.3107 km SSW of McCarthy, Alaska · 2207 days ago · 11 km deep · 15 km away
  2. 1.5Southern Alaska · 2211 days ago · 7 km deep · 18 km away
  3. 1.6131 km S of McCarthy, Alaska · 2217 days ago · 13 km deep · 28 km away
  4. 1.8129 km S of McCarthy, Alaska · 2218 days ago · 9 km deep · 27 km away
  5. 2.396 km S of McCarthy, Alaska · 2219 days ago · 17 km deep · 21 km away
  6. 2.3127 km S of McCarthy, Alaska · 2222 days ago · 12 km deep · 25 km away
  7. 1.696 km S of McCarthy, Alaska · 2230 days ago · 4 km deep · 7 km away
  8. 1.684 km S of McCarthy, Alaska · 2231 days ago · 11 km deep · 20 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak020c9otrqp. Read Sun, Oct 4, 2026, 5:24 PM UTC.