Alaska earthquakes

M2.5 earthquake 285 km W of Adak, Alaska

A magnitude 2.5 earthquake struck 285 km W of Adak, Alaska on Fri, May 17, 2019, 7:25 AM GMT+12 (19:25 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.7 266 km W of Adak, Alaska. This one was a foreshock.

More in Alaska

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
2.5 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2019-05-16 19:25:39 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
52.234° N, 179.239° 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
2.5ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed
2.5ML, 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 6.8 km horizontally, 2.0 km in depth
Depth from
Operator assigned
Station coverage gap
276°, poorly surrounded by stations
Stations used
19

Nearby

Within 100 km, magnitude 1.5 and up: 28 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 2.2Rat Islands, Aleutian Islands, Alaska · 2695 days ago · 70 km deep · 49 km away
  2. 2.6Rat Islands, Aleutian Islands, Alaska · 2695 days ago · 35 km deep · 79 km away
  3. 3.6267 km W of Adak, Alaska · 2693 days ago · 60 km deep · 30 km away
  4. 2.9Rat Islands, Aleutian Islands, Alaska · 2692 days ago · 21 km deep · 74 km away
  5. 2.3248 km W of Adak, Alaska · 2688 days ago · 33 km deep · 38 km away
  6. 3.3Rat Islands, Aleutian Islands, Alaska · 2686 days ago · 35 km deep · 82 km away
  7. 2.3242 km W of Adak, Alaska · 2681 days ago · 37 km deep · 89 km away
  8. 3.0Rat Islands, Aleutian Islands, Alaska · 2674 days ago · 157 km deep · 28 km away
  9. 3.0267 km W of Adak, Alaska · 2673 days ago · 30 km deep · 19 km away
  10. 2.6Rat Islands, Aleutian Islands, Alaska · 2669 days ago · 89 km deep · 76 km away
  11. 1.7Rat Islands, Aleutian Islands, Alaska · 2668 days ago · 2 km deep · 75 km away
  12. 2.2Rat Islands, Aleutian Islands, Alaska · 2667 days ago · 65 km deep · 78 km away
  13. 2.4223 km W of Adak, Alaska · 2665 days ago · 91 km deep · 85 km away
  14. 2.5198 km W of Adak, Alaska · 2664 days ago · 173 km deep · 99 km away
  15. 1.7Rat Islands, Aleutian Islands, Alaska · 2662 days ago · -3 km deep · 83 km away
  16. 2.2201 km W of Adak, Alaska · 2661 days ago · 13 km deep · 97 km away
  17. 1.9200 km W of Adak, Alaska · 2661 days ago · 7 km deep · 97 km away
  18. 1.9Rat Islands, Aleutian Islands, Alaska · 2661 days ago · 42 km deep · 94 km away
  19. 2.1Rat Islands, Aleutian Islands, Alaska · 2660 days ago · 110 km deep · 63 km away
  20. 1.9Rat Islands, Aleutian Islands, Alaska · 2660 days ago · 81 km deep · 66 km away
  21. 2.1Rat Islands, Aleutian Islands, Alaska · 2660 days ago · 115 km deep · 66 km away
  22. 1.6266 km W of Adak, Alaska · 2655 days ago · 95 km deep · 61 km away
  23. 2.3Rat Islands, Aleutian Islands, Alaska · 2655 days ago · 76 km deep · 77 km away
  24. 2.2Rat Islands, Aleutian Islands, Alaska · 2654 days ago · 67 km deep · 79 km away
  25. 2.3Rat Islands, Aleutian Islands, Alaska · 2646 days ago · 89 km deep · 66 km away
  26. 1.6Rat Islands, Aleutian Islands, Alaska · 2644 days ago · 1 km deep · 83 km away
  27. 3.7266 km W of Adak, Alaska · 2639 days ago · 97 km deep · 65 km away
  28. 1.5291 km W of Adak, Alaska · 2636 days ago · 60 km deep · 71 km away

Before

  1. 3.0Rat Islands, Aleutian Islands, Alaska · 2697 days ago · 35 km deep · 42 km away
  2. 2.3279 km W of Adak, Alaska · 2697 days ago · 59 km deep · 9 km away
  3. 1.9197 km W of Adak, Alaska · 2699 days ago · 69 km deep · 88 km away
  4. 3.4280 km WNW of Adak, Alaska · 2707 days ago · 168 km deep · 59 km away
  5. 3.9266 km W of Adak, Alaska · 2713 days ago · 71 km deep · 47 km away
  6. 3.1225 km W of Adak, Alaska · 2719 days ago · 55 km deep · 75 km away
  7. 3.1Rat Islands, Aleutian Islands, Alaska · 2722 days ago · 130 km deep · 63 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70003sy7 (also filed as ak019698jvm4). Read Fri, Oct 2, 2026, 4:05 AM UTC.