Alaska earthquakes

M4.1 earthquake 51 km N of Atka, Alaska

A magnitude 4.1 earthquake struck 51 km N of Atka, Alaska on Sat, Mar 2, 2019, 3:07 PM HAST (01:07 UTC), 201 km (125 mi) below the surface.

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The earthquake

Magnitude
4.1 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2019-03-03 01:07:20 UTC
Depth
201.4 km (125.1 mi), intermediate-depth
Epicenter
52.653° N, 174.274° 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
4.1mb, body-waveUSGS National Earthquake Information CenterPreferred · Reviewed · ±0.056 · 87 stations
3.4ML, 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 9.1 km horizontally, 6.6 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
89°
Stations used
63

Nearby

Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 4.1105 km NE of Adak, Alaska · 2764 days ago · 222 km deep · 95 km away
  2. 4.073 km NNW of Atka, Alaska · 2757 days ago · 223 km deep · 32 km away
  3. 2.847 km WSW of Atka, Alaska · 2754 days ago · 73 km deep · 74 km away
  4. 2.730 km W of Atka, Alaska · 2747 days ago · 35 km deep · 57 km away
  5. 2.776 km W of Atka, Alaska · 2745 days ago · 144 km deep · 87 km away
  6. 2.8101 km NW of Atka, Alaska · 2740 days ago · 210 km deep · 75 km away
  7. 2.544 km SW of Atka, Alaska · 2732 days ago · 70 km deep · 87 km away
  8. 2.980 km ENE of Atka, Alaska · 2714 days ago · 169 km deep · 77 km away

Before

  1. 3.579 km N of Atka, Alaska · 2774 days ago · 183 km deep · 29 km away
  2. 4.137 km S of Atka, Alaska · 2786 days ago · 67 km deep · 89 km away
  3. 2.845 km NNW of Atka, Alaska · 2786 days ago · 161 km deep · 14 km away
  4. 4.125 km SSW of Atka, Alaska · 2788 days ago · 4 km deep · 74 km away
  5. 2.6Andreanof Islands, Aleutian Islands, Alaska · 2788 days ago · 7 km deep · 56 km away
  6. 2.485 km W of Atka, Alaska · 2793 days ago · 108 km deep · 95 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us1000ja0x (also filed as ak0192ujyjl8). Read Thu, Oct 1, 2026, 1:09 PM UTC.