Alaska earthquakes

M3.7 earthquake 249 km W of Adak, Alaska

A magnitude 3.7 earthquake struck 249 km W of Adak, Alaska on Fri, May 15, 1998, 6:32 PM GMT+12 (06:32 UTC), 100 km (62 mi) below the surface.

A larger quake followed: M4.8 Rat Islands, Aleutian Islands, Alaska. This one was a foreshock.

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The earthquake

Magnitude
3.7 (mb, body-wave), minor
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1998-05-15 06:32:53 UTC
Depth
100.0 km (62.1 mi), intermediate-depth
Epicenter
51.750° N, 179.750° E
Region
Alaska
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Depth from
OPERATOR_ASSIGNED

Nearby

Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 4.4Rat Islands, Aleutian Islands, Alaska · 10356 days ago · 33 km deep · 68 km away
  2. 4.5Rat Islands, Aleutian Islands, Alaska · 10349 days ago · 45 km deep · 65 km away
  3. 4.2296 km WSW of Adak, Alaska · 10346 days ago · 33 km deep · 85 km away
  4. 3.6284 km W of Adak, Alaska · 10342 days ago · 61 km deep · 41 km away
  5. 3.6192 km WSW of Adak, Alaska · 10342 days ago · 33 km deep · 66 km away
  6. 4.2278 km WSW of Adak, Alaska · 10339 days ago · 66 km deep · 68 km away
  7. 4.1274 km WSW of Adak, Alaska · 10339 days ago · 61 km deep · 59 km away
  8. 4.2175 km WSW of Adak, Alaska · 10339 days ago · 33 km deep · 97 km away
  9. 3.4Rat Islands, Aleutian Islands, Alaska · 10333 days ago · 116 km deep · 64 km away
  10. 4.0Rat Islands, Aleutian Islands, Alaska · 10325 days ago · 128 km deep · 92 km away
  11. 4.5241 km WSW of Adak, Alaska · 10318 days ago · 33 km deep · 69 km away
  12. 4.8Rat Islands, Aleutian Islands, Alaska · 10313 days ago · 110 km deep · 90 km away

Before

  1. 3.7293 km WSW of Adak, Alaska · 10388 days ago · 33 km deep · 54 km away
  2. 3.4Rat Islands, Aleutian Islands, Alaska · 10389 days ago · 57 km deep · 80 km away
  3. 4.1277 km WSW of Adak, Alaska · 10394 days ago · 33 km deep · 53 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0008n3g. Read Fri, Oct 2, 2026, 7:20 AM UTC.