Alaska earthquakes

M4.6 earthquake 52 km SW of Adak, Alaska

A magnitude 4.6 earthquake struck 52 km SW of Adak, Alaska on Sat, Apr 18, 1998, 2:24 PM HADT (23:24 UTC), 43 km (27 mi) below the surface.

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
4.6 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1998-04-18 23:24:54 UTC
Depth
43.0 km (26.7 mi), shallow
Epicenter
51.578° N, 177.225° W
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
CONSTRAINED_BY_DEPTH_PHASES

Nearby

Within 100 km, magnitude 1.6 and up: 11 in the 60 days after this one and 6 in the 30 days before it.

After

  1. 4.257 km SE of Adak, Alaska · 10396 days ago · 49 km deep · 86 km away
  2. 4.635 km SW of Adak, Alaska · 10391 days ago · 40 km deep · 19 km away
  3. 3.299 km SW of Adak, Alaska · 10387 days ago · 61 km deep · 47 km away
  4. 3.370 km S of Adak, Alaska · 10379 days ago · 33 km deep · 64 km away
  5. 4.2119 km WSW of Adak, Alaska · 10375 days ago · 33 km deep · 69 km away
  6. 4.3122 km SW of Adak, Alaska · 10369 days ago · 33 km deep · 70 km away
  7. 4.158 km SSE of Adak, Alaska · 10356 days ago · 33 km deep · 68 km away
  8. 3.7111 km SW of Adak, Alaska · 10350 days ago · 33 km deep · 59 km away
  9. 4.322 km SE of Adak, Alaska · 10348 days ago · 60 km deep · 58 km away
  10. 4.293 km SSW of Adak, Alaska · 10344 days ago · 33 km deep · 62 km away
  11. 4.551 km ESE of Adak, Alaska · 10340 days ago · 47 km deep · 90 km away

Before

  1. 4.0140 km W of Adak, Alaska · 10407 days ago · 33 km deep · 99 km away
  2. 3.876 km SSW of Adak, Alaska · 10414 days ago · 33 km deep · 31 km away
  3. 4.6126 km WSW of Adak, Alaska · 10414 days ago · 33 km deep · 75 km away
  4. 4.424 km WSW of Adak, Alaska · 10421 days ago · 56 km deep · 33 km away
  5. 4.549 km SSW of Adak, Alaska · 10426 days ago · 33 km deep · 22 km away
  6. 4.558 km SSW of Adak, Alaska · 10426 days ago · 33 km deep · 33 km away

Earthquakes todayAlaska earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0008khq. Read Mon, Oct 5, 2026, 6:53 AM UTC.