Alaska earthquakes

M5.0 earthquake 85 km S of Atka, Alaska

A magnitude 5.0 earthquake struck 85 km S of Atka, Alaska on Fri, Jan 22, 1988, 2:52 PM HAST (00:52 UTC), 33 km (21 mi) below the surface.

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The earthquake

Magnitude
5.0 (mb), moderate
Local time
UTC
1988-01-23 00:52:41 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
51.431° N, 174.296° 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 2.0 and up: 5 in the 60 days after this one and 13 in the 30 days before it.

After

  1. 5.088 km S of Atka, Alaska · 14131 days ago · 48 km deep · 4 km away
  2. 4.670 km S of Atka, Alaska · 14130 days ago · 33 km deep · 16 km away
  3. 4.892 km S of Atka, Alaska · 14130 days ago · 33 km deep · 7 km away
  4. 4.6152 km SE of Adak, Alaska · 14095 days ago · 33 km deep · 78 km away
  5. 4.3141 km SSW of Atka, Alaska · 14071 days ago · 33 km deep · 61 km away

Before

  1. 4.699 km S of Atka, Alaska · 14131 days ago · 33 km deep · 15 km away
  2. 5.085 km S of Atka, Alaska · 14131 days ago · 33 km deep · 3 km away
  3. 4.886 km S of Atka, Alaska · 14131 days ago · 33 km deep · 9 km away
  4. 4.781 km S of Atka, Alaska · 14132 days ago · 33 km deep · 7 km away
  5. 5.0108 km S of Atka, Alaska · 14132 days ago · 33 km deep · 24 km away
  6. 5.193 km SSW of Atka, Alaska · 14140 days ago · 33 km deep · 27 km away
  7. 5.383 km SSW of Atka, Alaska · 14141 days ago · 33 km deep · 29 km away
  8. 4.735 km WSW of Atka, Alaska · 14141 days ago · 33 km deep · 72 km away
  9. 5.1100 km SSW of Atka, Alaska · 14141 days ago · 33 km deep · 28 km away
  10. 5.2103 km SSW of Atka, Alaska · 14141 days ago · 33 km deep · 31 km away
  11. 5.5103 km SSW of Atka, Alaska · 14141 days ago · 33 km deep · 28 km away
  12. 5.595 km SSW of Atka, Alaska · 14141 days ago · 33 km deep · 25 km away
  13. 4.397 km SW of Atka, Alaska · 14159 days ago · 33 km deep · 60 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0003ca7. Read Wed, Sep 30, 2026, 4:51 PM UTC.