Alaska earthquakes

M3.1 earthquake 283 km WSW of Adak, Alaska

A magnitude 3.1 earthquake struck 283 km WSW of Adak, Alaska on Fri, Mar 29, 2019, 6:04 AM GMT+12 (18:04 UTC), 25 km (15 mi) below the surface.

A larger quake followed: M4.2 204 km WSW of Adak, Alaska. This one was a foreshock.

More in Alaska

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
3.1 (ML, local (Richter)), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2019-03-28 18:04:44 UTC
Depth
24.7 km (15.4 mi), shallow
Epicenter
51.016° N, 179.531° 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
3.1ML, local (Richter)USGS National Earthquake Information CenterPreferred · Reviewed
3.1ML, 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 12.2 km horizontally, 24.1 km in depth
Depth from
From location
Station coverage gap
231°, poorly surrounded by stations
Stations used
14

Nearby

Within 100 km, magnitude 1.5 and up: 14 in the 60 days after this one and 9 in the 30 days before it.

After

  1. 4.1271 km WSW of Adak, Alaska · 2738 days ago · 158 km deep · 34 km away
  2. 3.8220 km WSW of Adak, Alaska · 2735 days ago · 10 km deep · 69 km away
  3. 2.1183 km WSW of Adak, Alaska · 2734 days ago · 33 km deep · 100 km away
  4. 3.9214 km SW of Adak, Alaska · 2729 days ago · 10 km deep · 99 km away
  5. 2.8192 km WSW of Adak, Alaska · 2727 days ago · 57 km deep · 92 km away
  6. 4.2204 km WSW of Adak, Alaska · 2726 days ago · 35 km deep · 82 km away
  7. 2.6232 km WSW of Adak, Alaska · 2720 days ago · 16 km deep · 55 km away
  8. 3.1225 km W of Adak, Alaska · 2719 days ago · 55 km deep · 97 km away
  9. 2.8186 km WSW of Adak, Alaska · 2718 days ago · 50 km deep · 100 km away
  10. 3.9266 km W of Adak, Alaska · 2713 days ago · 71 km deep · 92 km away
  11. 3.8Rat Islands, Aleutian Islands, Alaska · 2695 days ago · 10 km deep · 73 km away
  12. 2.4206 km W of Adak, Alaska · 2693 days ago · 149 km deep · 87 km away
  13. 2.7260 km WSW of Adak, Alaska · 2692 days ago · 30 km deep · 41 km away
  14. 2.5223 km WSW of Adak, Alaska · 2687 days ago · 35 km deep · 60 km away

Before

  1. 2.6226 km WSW of Adak, Alaska · 2745 days ago · 35 km deep · 58 km away
  2. 3.3257 km W of Adak, Alaska · 2746 days ago · 10 km deep · 87 km away
  3. 3.2220 km WSW of Adak, Alaska · 2747 days ago · 28 km deep · 72 km away
  4. 3.8Rat Islands, Aleutian Islands, Alaska · 2755 days ago · 57 km deep · 80 km away
  5. 2.3202 km W of Adak, Alaska · 2758 days ago · 17 km deep · 97 km away
  6. 3.7Rat Islands, Aleutian Islands, Alaska · 2759 days ago · 22 km deep · 82 km away
  7. 2.8255 km W of Adak, Alaska · 2759 days ago · 24 km deep · 66 km away
  8. 3.7Rat Islands, Aleutian Islands, Alaska · 2765 days ago · 23 km deep · 71 km away
  9. 3.0187 km WSW of Adak, Alaska · 2765 days ago · 35 km deep · 95 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us70003bnn (also filed as ak019406hy53). Read Fri, Oct 2, 2026, 9:43 AM UTC.