Alaska earthquakes

M4.8 earthquake 92 km S of Atka, Alaska

A magnitude 4.8 earthquake struck 92 km S of Atka, Alaska on Fri, Jan 22, 1988, 9:28 PM HAST (07:28 UTC), 33 km (21 mi) below the surface.

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The earthquake

Magnitude
4.8 (mb), light
Local time
UTC
1988-01-23 07:28:58 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
51.369° N, 174.262° 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
OPERATOR_ASSIGNED

Nearby

Within 100 km, magnitude 1.8 and up: 2 in the 60 days after this one and 16 in the 30 days before it.

After

  1. 4.6152 km SE of Adak, Alaska · 14087 days ago · 33 km deep · 75 km away
  2. 4.3141 km SSW of Atka, Alaska · 14063 days ago · 33 km deep · 57 km away

Before

  1. 4.670 km S of Atka, Alaska · 14122 days ago · 33 km deep · 22 km away
  2. 5.088 km S of Atka, Alaska · 14122 days ago · 48 km deep · 3 km away
  3. 5.085 km S of Atka, Alaska · 14122 days ago · 33 km deep · 7 km away
  4. 4.699 km S of Atka, Alaska · 14123 days ago · 33 km deep · 8 km away
  5. 5.085 km S of Atka, Alaska · 14123 days ago · 33 km deep · 6 km away
  6. 4.886 km S of Atka, Alaska · 14123 days ago · 33 km deep · 9 km away
  7. 4.781 km S of Atka, Alaska · 14124 days ago · 33 km deep · 11 km away
  8. 5.0108 km S of Atka, Alaska · 14124 days ago · 33 km deep · 17 km away
  9. 5.193 km SSW of Atka, Alaska · 14132 days ago · 33 km deep · 30 km away
  10. 5.383 km SSW of Atka, Alaska · 14132 days ago · 33 km deep · 34 km away
  11. 4.735 km WSW of Atka, Alaska · 14132 days ago · 33 km deep · 79 km away
  12. 5.1100 km SSW of Atka, Alaska · 14132 days ago · 33 km deep · 29 km away
  13. 5.2103 km SSW of Atka, Alaska · 14132 days ago · 33 km deep · 32 km away
  14. 5.5103 km SSW of Atka, Alaska · 14132 days ago · 33 km deep · 28 km away
  15. 5.595 km SSW of Atka, Alaska · 14132 days ago · 33 km deep · 26 km away
  16. 4.397 km SW of Atka, Alaska · 14151 days ago · 33 km deep · 64 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0003can. Read Tue, Sep 22, 2026, 12:14 PM UTC.