Alaska earthquakes

M2.8 earthquake 255 km W of Adak, Alaska

A magnitude 2.8 earthquake struck 255 km W of Adak, Alaska on Thu, Mar 14, 2019, 5:29 PM GMT+12 (05:29 UTC), 24 km (15 mi) below the surface.

A larger quake followed: M4.6 Rat Islands, Aleutian Islands, 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
2.8 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2019-03-14 05:29:22 UTC
Depth
24.4 km (15.1 mi), shallow
Epicenter
51.601° N, 179.689° E
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
2.8ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed
2.8ML, local (Richter)Alaska Earthquake CenterPreliminary

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 15.0 km horizontally, 13.8 km in depth
Depth from
From location
Station coverage gap
355°, poorly surrounded by stations
Stations used
21

Nearby

Within 100 km, magnitude 1.5 and up: 26 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 2.3202 km W of Adak, Alaska · 2758 days ago · 17 km deep · 53 km away
  2. 4.6Rat Islands, Aleutian Islands, Alaska · 2748 days ago · 98 km deep · 92 km away
  3. 3.2220 km WSW of Adak, Alaska · 2747 days ago · 28 km deep · 93 km away
  4. 2.2194 km W of Adak, Alaska · 2746 days ago · 80 km deep · 67 km away
  5. 3.3257 km W of Adak, Alaska · 2746 days ago · 10 km deep · 22 km away
  6. 2.6226 km WSW of Adak, Alaska · 2745 days ago · 35 km deep · 50 km away
  7. 3.8Rat Islands, Aleutian Islands, Alaska · 2745 days ago · 104 km deep · 86 km away
  8. 3.1283 km WSW of Adak, Alaska · 2745 days ago · 25 km deep · 66 km away
  9. 3.9Rat Islands, Aleutian Islands, Alaska · 2740 days ago · 115 km deep · 95 km away
  10. 4.1271 km WSW of Adak, Alaska · 2738 days ago · 158 km deep · 32 km away
  11. 3.3252 km W of Adak, Alaska · 2738 days ago · 125 km deep · 79 km away
  12. 2.8293 km W of Adak, Alaska · 2737 days ago · 20 km deep · 72 km away
  13. 3.8220 km WSW of Adak, Alaska · 2735 days ago · 10 km deep · 89 km away
  14. 2.1183 km WSW of Adak, Alaska · 2733 days ago · 33 km deep · 80 km away
  15. 3.8Rat Islands, Aleutian Islands, Alaska · 2732 days ago · 106 km deep · 88 km away
  16. 2.4184 km WSW of Adak, Alaska · 2731 days ago · 37 km deep · 77 km away
  17. 2.7175 km W of Adak, Alaska · 2729 days ago · 86 km deep · 81 km away
  18. 2.8192 km WSW of Adak, Alaska · 2727 days ago · 57 km deep · 70 km away
  19. 2.4180 km W of Adak, Alaska · 2727 days ago · 42 km deep · 77 km away
  20. 4.2204 km WSW of Adak, Alaska · 2725 days ago · 35 km deep · 90 km away
  21. 2.2175 km WSW of Adak, Alaska · 2721 days ago · 52 km deep · 84 km away
  22. 2.6232 km WSW of Adak, Alaska · 2720 days ago · 16 km deep · 78 km away
  23. 3.1225 km W of Adak, Alaska · 2719 days ago · 55 km deep · 37 km away
  24. 2.8186 km WSW of Adak, Alaska · 2718 days ago · 50 km deep · 73 km away
  25. 3.9266 km W of Adak, Alaska · 2713 days ago · 71 km deep · 30 km away
  26. 1.8159 km W of Adak, Alaska · 2706 days ago · 9 km deep · 97 km away

Before

  1. 2.4162 km W of Adak, Alaska · 2759 days ago · 20 km deep · 93 km away
  2. 3.0187 km WSW of Adak, Alaska · 2765 days ago · 35 km deep · 80 km away
  3. 3.9Rat Islands, Aleutian Islands, Alaska · 2767 days ago · 94 km deep · 93 km away
  4. 3.0171 km WSW of Adak, Alaska · 2772 days ago · 35 km deep · 85 km away
  5. 2.7226 km W of Adak, Alaska · 2773 days ago · 72 km deep · 64 km away
  6. 2.6166 km WSW of Adak, Alaska · 2774 days ago · 36 km deep · 91 km away
  7. 4.8232 km W of Adak, Alaska · 2783 days ago · 183 km deep · 25 km away
  8. 4.8293 km WSW of Adak, Alaska · 2783 days ago · 35 km deep · 59 km away
  9. 3.8208 km W of Adak, Alaska · 2787 days ago · 156 km deep · 69 km away
  10. 4.3266 km W of Adak, Alaska · 2788 days ago · 70 km deep · 11 km away
  11. 2.9244 km WSW of Adak, Alaska · 2789 days ago · 11 km deep · 60 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000kcbs (also filed as ak0193ctdsor). Read Fri, Oct 2, 2026, 7:44 AM UTC.