Alaska earthquakes

M2.6 earthquake 93 km N of Adak, Alaska

A magnitude 2.6 earthquake struck 93 km N of Adak, Alaska on Sat, Nov 23, 2019, 6:20 AM HAST (16:20 UTC), 238 km (148 mi) below the surface.

A larger quake followed: M2.8 13 km NNE of Adak, 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
2.6 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2019-11-23 16:20:44 UTC
Depth
237.7 km (147.7 mi), intermediate-depth
Epicenter
52.711° N, 176.662° 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
2.6ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed
2.6ML, 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 20.2 km horizontally, 15.7 km in depth
Depth from
From location
Station coverage gap
219°, poorly surrounded by stations
Stations used
21

Nearby

Within 100 km, magnitude 1.5 and up: 21 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 2.813 km NNE of Adak, Alaska · 2501 days ago · 172 km deep · 80 km away
  2. 1.668 km ENE of Adak, Alaska · 2497 days ago · 20 km deep · 99 km away
  3. 1.637 km NE of Adak, Alaska · 2495 days ago · 3 km deep · 71 km away
  4. 2.243 km NW of Adak, Alaska · 2490 days ago · 164 km deep · 65 km away
  5. 2.622 km WNW of Adak, Alaska · 2487 days ago · 240 km deep · 87 km away
  6. 1.68 km ESE of Adak, Alaska · 2485 days ago · 71 km deep · 98 km away
  7. 2.853 km N of Adak, Alaska · 2482 days ago · 250 km deep · 40 km away
  8. 2.673 km ENE of Adak, Alaska · 2481 days ago · 155 km deep · 87 km away
  9. 1.843 km ENE of Adak, Alaska · 2478 days ago · 6 km deep · 85 km away
  10. 2.025 km ENE of Adak, Alaska · 2467 days ago · 7 km deep · 90 km away
  11. 2.475 km ENE of Adak, Alaska · 2462 days ago · 177 km deep · 85 km away
  12. 2.169 km ENE of Adak, Alaska · 2459 days ago · 143 km deep · 99 km away
  13. 2.562 km ENE of Adak, Alaska · 2454 days ago · 224 km deep · 81 km away
  14. 1.69 km ENE of Adak, Alaska · 2453 days ago · 72 km deep · 89 km away
  15. 2.691 km WNW of Atka, Alaska · 2453 days ago · 210 km deep · 86 km away
  16. 1.734 km NNW of Adak, Alaska · 2453 days ago · 123 km deep · 66 km away
  17. 1.541 km ENE of Adak, Alaska · 2448 days ago · 17 km deep · 85 km away
  18. 1.539 km ENE of Adak, Alaska · 2448 days ago · 5 km deep · 83 km away
  19. 1.539 km ENE of Adak, Alaska · 2448 days ago · 5 km deep · 83 km away
  20. 1.841 km ENE of Adak, Alaska · 2448 days ago · 4 km deep · 81 km away
  21. 1.841 km ENE of Adak, Alaska · 2448 days ago · 4 km deep · 80 km away

Before

  1. 1.74 km N of Adak, Alaska · 2512 days ago · 81 km deep · 88 km away
  2. 1.630 km NE of Adak, Alaska · 2514 days ago · 11 km deep · 78 km away
  3. 2.59 km SE of Adak, Alaska · 2515 days ago · 79 km deep · 99 km away
  4. 2.015 km WNW of Adak, Alaska · 2516 days ago · 149 km deep · 87 km away
  5. 2.997 km WNW of Atka, Alaska · 2520 days ago · 216 km deep · 79 km away
  6. 1.615 km ENE of Adak, Alaska · 2522 days ago · 95 km deep · 87 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us60006ncn (also filed as ak019f12dsvj). Read Thu, Oct 1, 2026, 5:00 PM UTC.