Alaska earthquakes

M3.3 earthquake 184 km ENE of Atka, Alaska

A magnitude 3.3 earthquake struck 184 km ENE of Atka, Alaska on Sun, May 28, 2017, 10:50 AM HADT (19:50 UTC), 184 km (114 mi) below the surface.

A larger quake followed: M4.7 125 km WSW of Nikolski, 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
3.3 (ML, local (Richter)), minor
Magnitude from
Alaska Earthquake Center
Local time
UTC
2017-05-28 19:50:13 UTC
Depth
184.2 km (114.5 mi), intermediate-depth
Epicenter
52.771° N, 171.651° 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
31

Nearby

Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 3.7156 km WSW of Nikolski, Alaska · 3408 days ago · 52 km deep · 85 km away
  2. 4.7125 km WSW of Nikolski, Alaska · 3408 days ago · 44 km deep · 95 km away
  3. 3.6181 km SW of Nikolski, Alaska · 3398 days ago · 26 km deep · 97 km away
  4. 2.0178 km WSW of Nikolski, Alaska · 3390 days ago · 96 km deep · 43 km away
  5. 2.8182 km SW of Nikolski, Alaska · 3389 days ago · 33 km deep · 99 km away
  6. 2.2Fox Islands, Aleutian Islands, Alaska · 3382 days ago · 73 km deep · 39 km away
  7. 2.6154 km E of Atka, Alaska · 3380 days ago · 147 km deep · 40 km away
  8. 2.6146 km WSW of Nikolski, Alaska · 3372 days ago · 35 km deep · 84 km away
  9. 2.6174 km WSW of Nikolski, Alaska · 3368 days ago · 95 km deep · 34 km away
  10. 3.086 km ENE of Atka, Alaska · 3367 days ago · 213 km deep · 100 km away
  11. 3.1160 km WSW of Nikolski, Alaska · 3362 days ago · 57 km deep · 69 km away

Before

  1. 3.7140 km W of Nikolski, Alaska · 3424 days ago · 10 km deep · 53 km away
  2. 2.6187 km WSW of Nikolski, Alaska · 3425 days ago · 59 km deep · 88 km away
  3. 3.0129 km WSW of Nikolski, Alaska · 3426 days ago · 45 km deep · 75 km away
  4. 2.9165 km E of Atka, Alaska · 3439 days ago · 87 km deep · 59 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0176t35cf1. Read Sat, Oct 3, 2026, 8:11 PM UTC.