Alaska earthquakes

M2.9 earthquake 243 km W of Adak, Alaska

A magnitude 2.9 earthquake struck 243 km W of Adak, Alaska on Fri, Jan 11, 2019, 8:06 PM GMT+12 (08:06 UTC), 140 km (87 mi) below the surface.

A larger quake followed: M4.8 293 km WSW 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
2.9 (ML, local (Richter)), micro
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2019-01-11 08:06:55 UTC
Depth
139.5 km (86.7 mi), intermediate-depth
Epicenter
51.899° N, 179.826° 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
2.9ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed
2.9ML, 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 19.5 km horizontally, 13.0 km in depth
Depth from
From location
Station coverage gap
189°, poorly surrounded by stations
Stations used
18

Nearby

Within 100 km, magnitude 1.5 and up: 17 in the 60 days after this one and 8 in the 30 days before it.

After

  1. 1.9175 km WSW of Adak, Alaska · 2814 days ago · 39 km deep · 93 km away
  2. 3.1235 km W of Adak, Alaska · 2812 days ago · 103 km deep · 39 km away
  3. 2.9272 km W of Adak, Alaska · 2803 days ago · 71 km deep · 51 km away
  4. 2.8201 km W of Adak, Alaska · 2796 days ago · 110 km deep · 44 km away
  5. 2.6207 km WNW of Adak, Alaska · 2793 days ago · 81 km deep · 70 km away
  6. 2.4212 km W of Adak, Alaska · 2792 days ago · 80 km deep · 44 km away
  7. 2.9244 km WSW of Adak, Alaska · 2789 days ago · 11 km deep · 89 km away
  8. 4.3266 km W of Adak, Alaska · 2788 days ago · 70 km deep · 40 km away
  9. 3.8208 km W of Adak, Alaska · 2786 days ago · 156 km deep · 40 km away
  10. 2.2150 km W of Adak, Alaska · 2785 days ago · 35 km deep · 97 km away
  11. 4.8293 km WSW of Adak, Alaska · 2783 days ago · 35 km deep · 93 km away
  12. 4.8232 km W of Adak, Alaska · 2783 days ago · 183 km deep · 25 km away
  13. 2.6166 km WSW of Adak, Alaska · 2774 days ago · 36 km deep · 89 km away
  14. 2.7226 km W of Adak, Alaska · 2773 days ago · 72 km deep · 30 km away
  15. 3.0171 km WSW of Adak, Alaska · 2772 days ago · 35 km deep · 83 km away
  16. 2.5172 km WNW of Adak, Alaska · 2772 days ago · 10 km deep · 82 km away
  17. 3.0187 km WSW of Adak, Alaska · 2765 days ago · 35 km deep · 88 km away

Before

  1. 4.0215 km W of Adak, Alaska · 2833 days ago · 170 km deep · 28 km away
  2. 2.4206 km WNW of Adak, Alaska · 2840 days ago · 25 km deep · 92 km away
  3. 2.4178 km WSW of Adak, Alaska · 2844 days ago · 58 km deep · 91 km away
  4. 3.7220 km WSW of Adak, Alaska · 2845 days ago · 35 km deep · 91 km away
  5. 2.1183 km WSW of Adak, Alaska · 2845 days ago · 28 km deep · 91 km away
  6. 2.4273 km W of Adak, Alaska · 2848 days ago · 32 km deep · 39 km away
  7. 2.6198 km W of Adak, Alaska · 2849 days ago · 14 km deep · 45 km away
  8. 1.9153 km W of Adak, Alaska · 2849 days ago · 30 km deep · 95 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000j5am (also filed as ak019ibpox0). Read Fri, Oct 2, 2026, 3:05 AM UTC.