Alaska earthquakes

M2.3 earthquake 190 km S of Atka, Alaska

A magnitude 2.3 earthquake struck 190 km S of Atka, Alaska on Tue, Mar 13, 2018, 10:52 AM HADT (19:52 UTC), 29 km (18 mi) below the surface.

A larger quake followed: M3.7 184 km S of Atka, 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
2.3 (ML, local (Richter)), micro
Magnitude from
Alaska Earthquake Center
Local time
UTC
2018-03-13 19:52:35 UTC
Depth
29.3 km (18.2 mi), shallow
Epicenter
50.489° N, 174.122° 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
11

Nearby

Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 16 in the 30 days before it.

After

  1. 3.7184 km S of Atka, Alaska · 3123 days ago · 25 km deep · 8 km away
  2. 2.1112 km S of Atka, Alaska · 3122 days ago · 17 km deep · 80 km away
  3. 2.4103 km S of Atka, Alaska · 3121 days ago · 39 km deep · 87 km away
  4. 2.4146 km SSW of Atka, Alaska · 3119 days ago · 23 km deep · 59 km away
  5. 2.1133 km S of Atka, Alaska · 3103 days ago · 5 km deep · 59 km away
  6. 3.4105 km S of Atka, Alaska · 3095 days ago · 21 km deep · 90 km away
  7. 3.7133 km SSE of Atka, Alaska · 3095 days ago · 32 km deep · 86 km away
  8. 3.3161 km SSW of Atka, Alaska · 3077 days ago · 10 km deep · 62 km away

Before

  1. 2.4184 km SSE of Atka, Alaska · 3125 days ago · 24 km deep · 61 km away
  2. 2.2132 km SSE of Atka, Alaska · 3125 days ago · 12 km deep · 68 km away
  3. 2.3100 km S of Atka, Alaska · 3126 days ago · 38 km deep · 90 km away
  4. 2.2118 km S of Atka, Alaska · 3128 days ago · 12 km deep · 74 km away
  5. 2.3125 km SSE of Atka, Alaska · 3133 days ago · 26 km deep · 94 km away
  6. 2.5169 km SSE of Atka, Alaska · 3134 days ago · 10 km deep · 41 km away
  7. 2.8Andreanof Islands, Aleutian Islands, Alaska · 3134 days ago · 10 km deep · 62 km away
  8. 2.097 km SSW of Atka, Alaska · 3136 days ago · 25 km deep · 100 km away
  9. 2.7192 km SSE of Atka, Alaska · 3136 days ago · 18 km deep · 73 km away
  10. 2.3147 km S of Atka, Alaska · 3137 days ago · 2 km deep · 45 km away
  11. 2.1104 km S of Atka, Alaska · 3137 days ago · 13 km deep · 88 km away
  12. 2.5122 km SSW of Atka, Alaska · 3139 days ago · 14 km deep · 100 km away
  13. 2.3125 km SSW of Atka, Alaska · 3139 days ago · 13 km deep · 99 km away
  14. 2.891 km S of Atka, Alaska · 3142 days ago · 17 km deep · 99 km away
  15. 2.4114 km S of Atka, Alaska · 3145 days ago · 1 km deep · 78 km away
  16. 2.9179 km S of Atka, Alaska · 3148 days ago · 26 km deep · 12 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ak0183bebfzw (also filed as ak18701280). Read Fri, Oct 2, 2026, 6:17 PM UTC.