Alaska earthquakes

M2.3 earthquake 263 km SW of Adak, Alaska

A magnitude 2.3 earthquake struck 263 km SW of Adak, Alaska on Mon, Jul 3, 2017, 7:54 AM GMT-12 (19:54 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M4.7 198 km SW of Adak, 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
2.3 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2017-07-03 19:54:01 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
50.085° N, 179.095° 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
17

Nearby

Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 2.8278 km SW of Adak, Alaska · 3374 days ago · 11 km deep · 18 km away
  2. 2.6Rat Islands, Aleutian Islands, Alaska · 3372 days ago · 29 km deep · 100 km away
  3. 2.5259 km SW of Adak, Alaska · 3359 days ago · 24 km deep · 26 km away
  4. 1.7169 km SW of Adak, Alaska · 3351 days ago · 8 km deep · 94 km away
  5. 3.5249 km WSW of Adak, Alaska · 3335 days ago · 2 km deep · 96 km away
  6. 2.1186 km SW of Adak, Alaska · 3331 days ago · 21 km deep · 85 km away
  7. 4.7198 km SW of Adak, Alaska · 3326 days ago · 24 km deep · 66 km away
  8. 3.6260 km SW of Adak, Alaska · 3321 days ago · 10 km deep · 4 km away

Before

  1. 2.8256 km SW of Adak, Alaska · 3380 days ago · 10 km deep · 8 km away
  2. 3.1286 km SW of Adak, Alaska · 3381 days ago · 11 km deep · 29 km away
  3. 3.1283 km SW of Adak, Alaska · 3381 days ago · 12 km deep · 24 km away
  4. 3.5259 km SW of Adak, Alaska · 3381 days ago · 10 km deep · 4 km away
  5. 2.5252 km SW of Adak, Alaska · 3381 days ago · 10 km deep · 11 km away
  6. 3.0255 km SW of Adak, Alaska · 3381 days ago · 10 km deep · 8 km away
  7. 2.9256 km SW of Adak, Alaska · 3381 days ago · 20 km deep · 7 km away
  8. 4.3258 km SW of Adak, Alaska · 3381 days ago · 10 km deep · 5 km away
  9. 2.7264 km SW of Adak, Alaska · 3388 days ago · 3 km deep · 2 km away
  10. 4.2252 km SW of Adak, Alaska · 3388 days ago · 26 km deep · 11 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0178gmio5e (also filed as ak16379185). Read Sat, Oct 3, 2026, 4:20 AM UTC.