Alaska earthquakes

M2.1 earthquake 50 km SSW of Nelson Lagoon, Alaska

A magnitude 2.1 earthquake struck 50 km SSW of Nelson Lagoon, Alaska on Fri, Oct 20, 2017, 8:05 AM AKDT (16:05 UTC), 159 km (99 mi) below the surface.

A larger quake followed: M3.7 9 km SSE of Nelson Lagoon, Alaska. This one was a foreshock.

King Cove forecastMore in Alaska

Map

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

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The earthquake

Magnitude
2.1 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2017-10-20 16:05:09 UTC
Depth
158.7 km (98.6 mi), intermediate-depth
Epicenter
55.607° N, 161.615° 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
10

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 14 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 2.144 km ESE of King Cove, Alaska · 3268 days ago · 65 km deep · 77 km away
  2. 3.163 km ESE of King Cove, Alaska · 3264 days ago · 68 km deep · 80 km away
  3. 3.79 km SSE of Nelson Lagoon, Alaska · 3264 days ago · 173 km deep · 45 km away
  4. 1.741 km WNW of Sand Point, Alaska · 3256 days ago · 116 km deep · 35 km away
  5. 2.232 km NW of Sand Point, Alaska · 3254 days ago · 76 km deep · 48 km away
  6. 2.356 km SE of King Cove, Alaska · 3249 days ago · 22 km deep · 98 km away
  7. 2.620 km SW of King Cove, Alaska · 3249 days ago · 100 km deep · 95 km away
  8. 3.125 km SW of Sand Point, Alaska · 3249 days ago · 59 km deep · 67 km away
  9. 3.719 km SSW of Nelson Lagoon, Alaska · 3248 days ago · 164 km deep · 31 km away
  10. 2.728 km NE of Sand Point, Alaska · 3248 days ago · 79 km deep · 88 km away
  11. 3.040 km S of Nelson Lagoon, Alaska · 3243 days ago · 156 km deep · 19 km away
  12. 3.543 km NW of Nelson Lagoon, Alaska · 3236 days ago · 224 km deep · 69 km away
  13. 1.812 km W of Sand Point, Alaska · 3223 days ago · 70 km deep · 66 km away
  14. 2.340 km SSW of Nelson Lagoon, Alaska · 3223 days ago · 169 km deep · 10 km away

Before

  1. 3.431 km NNE of Cold Bay, Alaska · 3276 days ago · 174 km deep · 61 km away
  2. 1.630 km NNE of Sand Point, Alaska · 3286 days ago · 12 km deep · 85 km away
  3. 2.563 km WSW of Nelson Lagoon, Alaska · 3288 days ago · 152 km deep · 44 km away
  4. 2.055 km SW of Nelson Lagoon, Alaska · 3294 days ago · 123 km deep · 12 km away
  5. 2.231 km NNE of Cold Bay, Alaska · 3296 days ago · 128 km deep · 57 km away
  6. 3.055 km SW of Sand Point, Alaska · 3298 days ago · 86 km deep · 76 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak017dgu0pop (also filed as ak17093865). Read Sat, Oct 3, 2026, 8:16 PM UTC.