Alaska earthquakes

M2.6 earthquake 207 km WNW of Adak, Alaska

A magnitude 2.6 earthquake struck 207 km WNW of Adak, Alaska on Thu, Feb 7, 2019, 2:39 PM HAST (00:39 UTC), 81 km (51 mi) below the surface.

A larger quake followed: M4.8 232 km W 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
2019-02-08 00:39:18 UTC
Depth
81.3 km (50.5 mi), intermediate-depth
Epicenter
52.398° N, 179.544° 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
2.5ML, 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 14.8 km horizontally, 21.1 km in depth
Depth from
From location
Station coverage gap
139°
Stations used
23

Nearby

Within 100 km, magnitude 1.5 and up: 20 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 2.4212 km W of Adak, Alaska · 2792 days ago · 80 km deep · 85 km away
  2. 1.8124 km W of Adak, Alaska · 2789 days ago · 26 km deep · 98 km away
  3. 3.8208 km W of Adak, Alaska · 2787 days ago · 156 km deep · 37 km away
  4. 2.2150 km W of Adak, Alaska · 2785 days ago · 35 km deep · 93 km away
  5. 4.8232 km W of Adak, Alaska · 2783 days ago · 183 km deep · 83 km away
  6. 1.9129 km W of Adak, Alaska · 2782 days ago · 33 km deep · 99 km away
  7. 2.6166 km WSW of Adak, Alaska · 2774 days ago · 36 km deep · 99 km away
  8. 2.7226 km W of Adak, Alaska · 2773 days ago · 72 km deep · 40 km away
  9. 3.0171 km WSW of Adak, Alaska · 2772 days ago · 35 km deep · 95 km away
  10. 2.5172 km WNW of Adak, Alaska · 2772 days ago · 10 km deep · 36 km away
  11. 2.7135 km W of Adak, Alaska · 2770 days ago · 32 km deep · 95 km away
  12. 1.8135 km W of Adak, Alaska · 2768 days ago · 16 km deep · 92 km away
  13. 2.4162 km W of Adak, Alaska · 2759 days ago · 20 km deep · 83 km away
  14. 2.3202 km W of Adak, Alaska · 2758 days ago · 17 km deep · 81 km away
  15. 2.3131 km W of Adak, Alaska · 2753 days ago · 26 km deep · 100 km away
  16. 2.2129 km W of Adak, Alaska · 2747 days ago · 23 km deep · 99 km away
  17. 2.2194 km W of Adak, Alaska · 2746 days ago · 80 km deep · 57 km away
  18. 3.3257 km W of Adak, Alaska · 2746 days ago · 10 km deep · 87 km away
  19. 3.3252 km W of Adak, Alaska · 2738 days ago · 125 km deep · 49 km away
  20. 2.8293 km W of Adak, Alaska · 2737 days ago · 20 km deep · 96 km away

Before

  1. 4.1126 km WNW of Adak, Alaska · 2796 days ago · 260 km deep · 81 km away
  2. 2.8201 km W of Adak, Alaska · 2796 days ago · 110 km deep · 44 km away
  3. 2.6222 km WNW of Adak, Alaska · 2807 days ago · 10 km deep · 55 km away
  4. 3.1235 km W of Adak, Alaska · 2812 days ago · 103 km deep · 98 km away
  5. 2.9243 km W of Adak, Alaska · 2821 days ago · 140 km deep · 70 km away
  6. 1.8143 km W of Adak, Alaska · 2822 days ago · 5 km deep · 93 km away
  7. 3.6146 km WNW of Adak, Alaska · 2822 days ago · 245 km deep · 60 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000jf5f (also filed as ak0191si6yep). Read Fri, Oct 2, 2026, 9:14 AM UTC.