Alaska earthquakes

M3.2 earthquake 218 km SW of Nikolski, Alaska

A magnitude 3.2 earthquake struck 218 km SW of Nikolski, Alaska on Wed, Jun 3, 2020, 11:26 AM HADT (20:26 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.5 184 km E of Atka, Alaska. This one was a foreshock.

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

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The earthquake

Magnitude
3.2 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2020-06-03 20:26:53 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
51.574° N, 171.162° 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
3.2ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.109 · 11 stations
2.9ML, local (Richter)Alaska Earthquake CenterPreliminary

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 3.2 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.11
Depth from
Operator assigned
Station coverage gap
212°, poorly surrounded by stations
Stations used
27

Nearby

Within 100 km, magnitude 1.5 and up: 14 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 2.2170 km WSW of Nikolski, Alaska · 2310 days ago · 24 km deep · 80 km away
  2. 1.9135 km ESE of Atka, Alaska · 2310 days ago · 36 km deep · 86 km away
  3. 3.7180 km SW of Nikolski, Alaska · 2293 days ago · 35 km deep · 52 km away
  4. 3.5141 km SE of Atka, Alaska · 2291 days ago · 35 km deep · 98 km away
  5. 4.5184 km E of Atka, Alaska · 2290 days ago · 57 km deep · 51 km away
  6. 3.8242 km SSW of Nikolski, Alaska · 2282 days ago · 10 km deep · 84 km away
  7. 3.0209 km SSW of Nikolski, Alaska · 2279 days ago · 10 km deep · 52 km away
  8. 2.2154 km WSW of Nikolski, Alaska · 2271 days ago · 65 km deep · 96 km away
  9. 3.5137 km SW of Nikolski, Alaska · 2269 days ago · 35 km deep · 81 km away
  10. 3.1181 km ESE of Atka, Alaska · 2267 days ago · 35 km deep · 40 km away
  11. 2.3147 km WSW of Nikolski, Alaska · 2267 days ago · 71 km deep · 87 km away
  12. 2.6140 km E of Atka, Alaska · 2266 days ago · 35 km deep · 85 km away
  13. 3.2210 km ESE of Atka, Alaska · 2264 days ago · 26 km deep · 16 km away
  14. 3.1133 km WSW of Nikolski, Alaska · 2256 days ago · 22 km deep · 92 km away

Before

  1. 3.7198 km SW of Nikolski, Alaska · 2314 days ago · 35 km deep · 32 km away
  2. 3.8149 km SW of Nikolski, Alaska · 2318 days ago · 35 km deep · 69 km away
  3. 3.5156 km ESE of Atka, Alaska · 2320 days ago · 35 km deep · 65 km away
  4. 3.3171 km E of Atka, Alaska · 2321 days ago · 16 km deep · 91 km away
  5. 3.8136 km WSW of Nikolski, Alaska · 2322 days ago · 54 km deep · 90 km away
  6. 3.4159 km WSW of Nikolski, Alaska · 2336 days ago · 35 km deep · 87 km away
  7. 3.4179 km ESE of Atka, Alaska · 2339 days ago · 39 km deep · 43 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000a5g3 (also filed as ak02074odald). Read Fri, Oct 2, 2026, 5:30 AM UTC.