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, 11:18 AM HAST (21:18 UTC), 33 km (21 mi) below the surface.

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The earthquake

Magnitude
5.0 (mb), moderate
Local time
UTC
1988-01-22 21:18:32 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
51.425° N, 174.251° 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: 7 in the 60 days after this one and 11 in the 30 days before it.

After

  1. 4.699 km S of Atka, Alaska · 14122 days ago · 33 km deep · 14 km away
  2. 5.085 km S of Atka, Alaska · 14122 days ago · 33 km deep · 3 km away
  3. 5.088 km S of Atka, Alaska · 14122 days ago · 48 km deep · 3 km away
  4. 4.670 km S of Atka, Alaska · 14122 days ago · 33 km deep · 16 km away
  5. 4.892 km S of Atka, Alaska · 14122 days ago · 33 km deep · 6 km away
  6. 4.6152 km SE of Adak, Alaska · 14087 days ago · 33 km deep · 80 km away
  7. 4.3141 km SSW of Atka, Alaska · 14063 days ago · 33 km deep · 62 km away

Before

  1. 4.886 km S of Atka, Alaska · 14123 days ago · 33 km deep · 6 km away
  2. 4.781 km S of Atka, Alaska · 14123 days ago · 33 km deep · 5 km away
  3. 5.0108 km S of Atka, Alaska · 14124 days ago · 33 km deep · 23 km away
  4. 5.193 km SSW of Atka, Alaska · 14132 days ago · 33 km deep · 30 km away
  5. 5.383 km SSW of Atka, Alaska · 14132 days ago · 33 km deep · 33 km away
  6. 4.735 km WSW of Atka, Alaska · 14132 days ago · 33 km deep · 74 km away
  7. 5.1100 km SSW of Atka, Alaska · 14132 days ago · 33 km deep · 31 km away
  8. 5.2103 km SSW of Atka, Alaska · 14132 days ago · 33 km deep · 34 km away
  9. 5.5103 km SSW of Atka, Alaska · 14132 days ago · 33 km deep · 31 km away
  10. 5.595 km SSW of Atka, Alaska · 14132 days ago · 33 km deep · 28 km away
  11. 4.397 km SW of Atka, Alaska · 14151 days ago · 33 km deep · 63 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0003ca1. Read Tue, Sep 22, 2026, 7:51 AM UTC.