Alaska earthquakes

M2.8 earthquake 114 km NE of Atka, Alaska

A magnitude 2.8 earthquake struck 114 km NE of Atka, Alaska on Mon, Jul 15, 2019, 4:41 PM HADT (01:41 UTC), 162 km (100 mi) below the surface.

A larger quake followed: M4.2 70 km ENE 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
2.8 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2019-07-16 01:41:38 UTC
Depth
161.6 km (100.4 mi), intermediate-depth
Epicenter
53.004° N, 173.157° 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
2.8ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed · ±0.091 · 16 stations
2.4ML, 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 7.4 km horizontally, 12.6 km in depth
Magnitude uncertainty
±0.09
Depth from
From location
Station coverage gap
130°
Stations used
33

Nearby

Within 100 km, magnitude 1.5 and up: 16 in the 60 days after this one and 10 in the 30 days before it.

After

  1. 1.9129 km E of Atka, Alaska · 2632 days ago · 49 km deep · 93 km away
  2. 3.732 km NNE of Atka, Alaska · 2630 days ago · 163 km deep · 82 km away
  3. 2.944 km N of Atka, Alaska · 2626 days ago · 179 km deep · 86 km away
  4. 2.521 km ENE of Atka, Alaska · 2607 days ago · 148 km deep · 94 km away
  5. 3.264 km NE of Atka, Alaska · 2600 days ago · 21 km deep · 57 km away
  6. 4.270 km ENE of Atka, Alaska · 2597 days ago · 14 km deep · 53 km away
  7. 2.055 km NE of Atka, Alaska · 2594 days ago · 25 km deep · 59 km away
  8. 1.659 km NE of Atka, Alaska · 2594 days ago · 65 km deep · 56 km away
  9. 1.825 km NNE of Atka, Alaska · 2594 days ago · 139 km deep · 90 km away
  10. 1.661 km E of Atka, Alaska · 2594 days ago · 20 km deep · 97 km away
  11. 2.230 km N of Atka, Alaska · 2593 days ago · 213 km deep · 91 km away
  12. 2.465 km E of Atka, Alaska · 2592 days ago · 17 km deep · 88 km away
  13. 2.528 km N of Atka, Alaska · 2589 days ago · 218 km deep · 93 km away
  14. 3.052 km N of Atka, Alaska · 2587 days ago · 194 km deep · 82 km away
  15. 2.329 km NNW of Atka, Alaska · 2583 days ago · 149 km deep · 99 km away
  16. 4.295 km NNE of Atka, Alaska · 2576 days ago · 221 km deep · 26 km away

Before

  1. 2.656 km NNW of Atka, Alaska · 2635 days ago · 177 km deep · 89 km away
  2. 2.147 km NNE of Atka, Alaska · 2636 days ago · 162 km deep · 68 km away
  3. 2.763 km E of Atka, Alaska · 2641 days ago · 14 km deep · 84 km away
  4. 2.549 km N of Atka, Alaska · 2644 days ago · 198 km deep · 82 km away
  5. 4.0102 km ENE of Atka, Alaska · 2645 days ago · 107 km deep · 69 km away
  6. 2.267 km NNE of Atka, Alaska · 2647 days ago · 180 km deep · 53 km away
  7. 3.619 km ENE of Atka, Alaska · 2653 days ago · 151 km deep · 99 km away
  8. 3.1109 km E of Atka, Alaska · 2658 days ago · 103 km deep · 78 km away
  9. 3.2109 km E of Atka, Alaska · 2658 days ago · 103 km deep · 78 km away
  10. 2.556 km NNE of Atka, Alaska · 2660 days ago · 158 km deep · 60 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us600054bn (also filed as ak01991tpobt). Read Thu, Oct 1, 2026, 4:41 PM UTC.