Alaska earthquakes

M2.8 earthquake 49 km N of Cold Bay, Alaska

A magnitude 2.8 earthquake struck 49 km N of Cold Bay, Alaska on Sat, Dec 29, 2018, 9:23 AM AKST (18:23 UTC), 187 km (116 mi) below the surface.

A larger quake followed: M4.1 55 km WNW of Nelson Lagoon, Alaska. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
2.8 (ml), micro
Local time
UTC
2018-12-29 18:23:56 UTC
Depth
187.2 km (116.3 mi), intermediate-depth
Epicenter
55.629° N, 162.622° 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
20

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 17 in the 60 days after this one and 4 in the 30 days before it.

After

  1. 3.154 km SW of Nelson Lagoon, Alaska · 2824 days ago · 118 km deep · 58 km away
  2. 1.744 km SW of King Cove, Alaska · 2823 days ago · 13 km deep · 98 km away
  3. 3.247 km SW of Nelson Lagoon, Alaska · 2819 days ago · 178 km deep · 56 km away
  4. 2.210 km SW of Cold Bay, Alaska · 2819 days ago · 114 km deep · 58 km away
  5. 3.047 km SW of Nelson Lagoon, Alaska · 2811 days ago · 168 km deep · 54 km away
  6. 3.59 km SSW of Nelson Lagoon, Alaska · 2808 days ago · 175 km deep · 92 km away
  7. 2.660 km SW of Nelson Lagoon, Alaska · 2806 days ago · 124 km deep · 52 km away
  8. 1.826 km E of King Cove, Alaska · 2799 days ago · 73 km deep · 79 km away
  9. 1.923 km E of King Cove, Alaska · 2799 days ago · 8 km deep · 74 km away
  10. 2.051 km E of King Cove, Alaska · 2797 days ago · 64 km deep · 97 km away
  11. 2.756 km SSW of Nelson Lagoon, Alaska · 2791 days ago · 134 km deep · 58 km away
  12. 3.836 km N of False Pass, Alaska · 2788 days ago · 176 km deep · 69 km away
  13. 3.520 km S of Nelson Lagoon, Alaska · 2787 days ago · 168 km deep · 95 km away
  14. 2.239 km WNW of Sand Point, Alaska · 2787 days ago · 102 km deep · 99 km away
  15. 2.140 km ESE of False Pass, Alaska · 2784 days ago · 75 km deep · 98 km away
  16. 4.155 km WNW of Nelson Lagoon, Alaska · 2780 days ago · 215 km deep · 64 km away
  17. 2.932 km S of King Cove, AK · 2774 days ago · 87 km deep · 95 km away

Before

  1. 2.655 km SW of Nelson Lagoon, Alaska · 2839 days ago · 159 km deep · 51 km away
  2. 2.920 km SW of Cold Bay, Alaska · 2856 days ago · 136 km deep · 67 km away
  3. 4.142 km NW of Nelson Lagoon, Alaska · 2858 days ago · 210 km deep · 85 km away
  4. 2.29 km E of False Pass, Alaska · 2859 days ago · 4 km deep · 94 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak018gomxtz9 (also filed as aacse018gomxtz9). Read Wed, Sep 30, 2026, 4:17 PM UTC.