Alaska earthquakes

M3.7 earthquake 140 km W of Nikolski, Alaska

A magnitude 3.7 earthquake struck 140 km W of Nikolski, Alaska on Fri, May 19, 2017, 12:45 AM HADT (09:45 UTC), 10 km (6 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
3.7 (mb, body-wave), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2017-05-19 09:45:14 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
52.996° N, 170.956° 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.

Location uncertainty
About 6.9 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.09
Depth from
Operator assigned
Station coverage gap
150°
Stations used
61

Nearby

Within 100 km, magnitude 1.5 and up: 18 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 2.946 km WSW of Nikolski, Alaska · 3424 days ago · 5 km deep · 97 km away
  2. 3.3184 km ENE of Atka, Alaska · 3415 days ago · 184 km deep · 53 km away
  3. 2.259 km WSW of Nikolski, Alaska · 3410 days ago · 26 km deep · 94 km away
  4. 2.5130 km SW of Nikolski, Alaska · 3409 days ago · 29 km deep · 99 km away
  5. 3.7156 km WSW of Nikolski, Alaska · 3408 days ago · 52 km deep · 89 km away
  6. 4.7125 km WSW of Nikolski, Alaska · 3407 days ago · 44 km deep · 81 km away
  7. 4.3104 km SW of Nikolski, Alaska · 3406 days ago · 46 km deep · 89 km away
  8. 2.888 km SW of Nikolski, Alaska · 3394 days ago · 46 km deep · 100 km away
  9. 2.051 km W of Nikolski, Alaska · 3393 days ago · 98 km deep · 90 km away
  10. 1.955 km W of Nikolski, Alaska · 3391 days ago · 124 km deep · 86 km away
  11. 2.0178 km WSW of Nikolski, Alaska · 3390 days ago · 96 km deep · 69 km away
  12. 4.0111 km WNW of Nikolski, Alaska · 3387 days ago · 185 km deep · 70 km away
  13. 2.149 km WSW of Nikolski, Alaska · 3386 days ago · 5 km deep · 97 km away
  14. 2.2Fox Islands, Aleutian Islands, Alaska · 3382 days ago · 73 km deep · 88 km away
  15. 2.6154 km E of Atka, Alaska · 3380 days ago · 147 km deep · 90 km away
  16. 2.6146 km WSW of Nikolski, Alaska · 3372 days ago · 35 km deep · 82 km away
  17. 2.6174 km WSW of Nikolski, Alaska · 3368 days ago · 95 km deep · 59 km away
  18. 2.169 km W of Nikolski, Alaska · 3366 days ago · 89 km deep · 73 km away

Before

  1. 3.1138 km SW of Nikolski, Alaska · 3426 days ago · 16 km deep · 96 km away
  2. 3.0129 km WSW of Nikolski, Alaska · 3426 days ago · 45 km deep · 60 km away
  3. 2.362 km WSW of Nikolski, Alaska · 3429 days ago · 5 km deep · 90 km away
  4. 2.656 km W of Nikolski, Alaska · 3431 days ago · 83 km deep · 86 km away
  5. 4.3130 km NW of Nikolski, Alaska · 3434 days ago · 182 km deep · 84 km away
  6. 4.7101 km WSW of Nikolski, Alaska · 3443 days ago · 55 km deep · 83 km away
  7. 2.1Fox Islands, Aleutian Islands, Alaska · 3448 days ago · 9 km deep · 97 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10008vbr. Read Sat, Oct 3, 2026, 5:55 PM UTC.