Alaska earthquakes

M4.8 earthquake 293 km WSW of Adak, Alaska

A magnitude 4.8 earthquake struck 293 km WSW of Adak, Alaska on Mon, Feb 18, 2019, 3:41 PM GMT+12 (03:41 UTC), 35 km (22 mi) below the surface.

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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
4.8 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2019-02-18 03:41:43 UTC
Depth
35.0 km (21.7 mi), shallow
Epicenter
51.130° N, 179.312° 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
4.8mb, body-waveUSGS National Earthquake Information CenterPreferred · Reviewed · ±0.029 · 367 stations
4.4ML, 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 7.3 km horizontally, 2.0 km in depth
Magnitude uncertainty
±0.03
Depth from
Operator assigned
Station coverage gap
135°
Stations used
135

Nearby

Within 100 km, magnitude 1.8 and up: 18 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 4.8232 km W of Adak, Alaska · 2784 days ago · 183 km deep · 80 km away
  2. 3.0Rat Islands, Aleutian Islands, Alaska · 2778 days ago · 24 km deep · 94 km away
  3. 3.9Rat Islands, Aleutian Islands, Alaska · 2767 days ago · 94 km deep · 96 km away
  4. 3.7Rat Islands, Aleutian Islands, Alaska · 2765 days ago · 23 km deep · 62 km away
  5. 2.8255 km W of Adak, Alaska · 2760 days ago · 24 km deep · 59 km away
  6. 3.7Rat Islands, Aleutian Islands, Alaska · 2759 days ago · 22 km deep · 98 km away
  7. 2.3202 km W of Adak, Alaska · 2759 days ago · 17 km deep · 99 km away
  8. 3.8Rat Islands, Aleutian Islands, Alaska · 2756 days ago · 57 km deep · 70 km away
  9. 3.2220 km WSW of Adak, Alaska · 2748 days ago · 28 km deep · 89 km away
  10. 3.3257 km W of Adak, Alaska · 2746 days ago · 10 km deep · 78 km away
  11. 2.6226 km WSW of Adak, Alaska · 2746 days ago · 35 km deep · 67 km away
  12. 3.8Rat Islands, Aleutian Islands, Alaska · 2746 days ago · 104 km deep · 92 km away
  13. 3.1283 km WSW of Adak, Alaska · 2745 days ago · 25 km deep · 20 km away
  14. 3.9Rat Islands, Aleutian Islands, Alaska · 2740 days ago · 115 km deep · 93 km away
  15. 4.1271 km WSW of Adak, Alaska · 2739 days ago · 158 km deep · 27 km away
  16. 3.8220 km WSW of Adak, Alaska · 2736 days ago · 10 km deep · 86 km away
  17. 3.8Rat Islands, Aleutian Islands, Alaska · 2733 days ago · 106 km deep · 85 km away
  18. 4.2204 km WSW of Adak, Alaska · 2726 days ago · 35 km deep · 97 km away

Before

  1. 4.3266 km W of Adak, Alaska · 2789 days ago · 70 km deep · 53 km away
  2. 4.0Rat Islands, Aleutian Islands, Alaska · 2789 days ago · 136 km deep · 97 km away
  3. 2.9244 km WSW of Adak, Alaska · 2790 days ago · 11 km deep · 52 km away
  4. 2.4212 km W of Adak, Alaska · 2793 days ago · 80 km deep · 89 km away
  5. 2.9272 km W of Adak, Alaska · 2803 days ago · 71 km deep · 42 km away
  6. 3.8Rat Islands, Aleutian Islands, Alaska · 2805 days ago · 22 km deep · 56 km away
  7. 3.1235 km W of Adak, Alaska · 2813 days ago · 103 km deep · 68 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000jjfh (also filed as ak019293d6v7). Read Sat, Oct 3, 2026, 1:32 AM UTC.