Alaska earthquakes

M2.9 earthquake 55 km WSW of Nelson Lagoon, Alaska

A magnitude 2.9 earthquake struck 55 km WSW of Nelson Lagoon, Alaska on Thu, Aug 4, 2016, 6:56 PM AKDT (02:56 UTC), 181 km (113 mi) below the surface.

A larger quake followed: M4.7 40 km NNE of King Cove, 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
2.9 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2016-08-05 02:56:02 UTC
Depth
181.2 km (112.6 mi), intermediate-depth
Epicenter
55.751° N, 161.981° 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
2.9ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · 30 stations
2.8ML, local (Richter)Alaska Earthquake CenterPreliminary

Did you feel it?

No one has reported feeling this quake to the USGS.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 4.5 km horizontally, 7.5 km in depth
Depth from
From location
Station coverage gap
152°
Stations used
30

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 5 in the 30 days before it.

After

  1. 2.163 km ESE of King Cove, Alaska · 3707 days ago · 61 km deep · 99 km away
  2. 1.848 km E of Nelson Lagoon, Alaska · 3701 days ago · 11 km deep · 99 km away
  3. 2.238 km ESE of King Cove, Alaska · 3699 days ago · 64 km deep · 92 km away
  4. 2.244 km E of Nelson Lagoon, Alaska · 3698 days ago · 13 km deep · 96 km away
  5. 2.346 km ESE of Nelson Lagoon, Alaska · 3694 days ago · 144 km deep · 92 km away
  6. 2.919 km WNW of Sand Point, Alaska · 3692 days ago · 72 km deep · 85 km away
  7. 2.515 km N of King Cove, Alaska · 3692 days ago · 147 km deep · 65 km away
  8. 2.28 km NW of Cold Bay, Alaska · 3690 days ago · 157 km deep · 78 km away
  9. 2.555 km NE of Cold Bay, Alaska · 3686 days ago · 179 km deep · 23 km away
  10. 2.661 km SSW of Nelson Lagoon, Alaska · 3684 days ago · 121 km deep · 33 km away
  11. 2.811 km SE of Nelson Lagoon, Alaska · 3680 days ago · 156 km deep · 59 km away
  12. 4.740 km NNE of King Cove, Alaska · 3679 days ago · 152 km deep · 40 km away
  13. 2.445 km WNW of Sand Point, Alaska · 3679 days ago · 98 km deep · 59 km away
  14. 2.634 km SE of Nelson Lagoon, Alaska · 3660 days ago · 157 km deep · 77 km away

Before

  1. 1.941 km S of Nelson Lagoon, Alaska · 3717 days ago · 90 km deep · 56 km away
  2. 2.456 km SSW of Nelson Lagoon, Alaska · 3718 days ago · 114 km deep · 26 km away
  3. 1.935 km NW of Cold Bay, Alaska · 3718 days ago · 157 km deep · 81 km away
  4. 2.118 km ENE of King Cove, Alaska · 3722 days ago · 113 km deep · 72 km away
  5. 1.934 km E of Nelson Lagoon, Alaska · 3726 days ago · 3 km deep · 86 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10006ac1 (also filed as ak13830967, ak016a0koj6i). Read Sat, Oct 3, 2026, 1:23 PM UTC.