Alaska earthquakes

M4.8 earthquake 198 km WSW of Adak, Alaska

A magnitude 4.8 earthquake struck 198 km WSW of Adak, Alaska on Thu, Jul 3, 1997, 7:10 AM HADT (16:10 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.9 146 km WSW of Adak, Alaska. This one was a foreshock.

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The earthquake

Magnitude
4.8 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1997-07-03 16:10:29 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
51.409° N, 179.397° 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: 14 in the 60 days after this one and 7 in the 30 days before it.

After

  1. 5.1144 km WSW of Adak, Alaska · 10682 days ago · 33 km deep · 57 km away
  2. 5.9146 km WSW of Adak, Alaska · 10678 days ago · 33 km deep · 57 km away
  3. 4.5140 km WSW of Adak, Alaska · 10677 days ago · 33 km deep · 61 km away
  4. 3.4187 km WSW of Adak, Alaska · 10677 days ago · 33 km deep · 23 km away
  5. 4.7189 km WSW of Adak, Alaska · 10675 days ago · 33 km deep · 15 km away
  6. 4.1152 km WSW of Adak, Alaska · 10670 days ago · 33 km deep · 52 km away
  7. 4.3167 km W of Adak, Alaska · 10670 days ago · 33 km deep · 54 km away
  8. 4.1175 km WSW of Adak, Alaska · 10668 days ago · 33 km deep · 45 km away
  9. 4.8185 km WSW of Adak, Alaska · 10661 days ago · 33 km deep · 16 km away
  10. 4.1145 km WSW of Adak, Alaska · 10660 days ago · 33 km deep · 64 km away
  11. 3.9141 km WSW of Adak, Alaska · 10629 days ago · 33 km deep · 65 km away
  12. 3.9272 km WSW of Adak, Alaska · 10626 days ago · 33 km deep · 75 km away
  13. 4.1134 km WSW of Adak, Alaska · 10625 days ago · 33 km deep · 65 km away
  14. 4.7139 km SW of Adak, Alaska · 10623 days ago · 33 km deep · 81 km away

Before

  1. 4.1195 km WSW of Adak, Alaska · 10688 days ago · 33 km deep · 25 km away
  2. 5.1127 km WSW of Adak, Alaska · 10694 days ago · 33 km deep · 70 km away
  3. 4.6196 km WSW of Adak, Alaska · 10698 days ago · 33 km deep · 12 km away
  4. 6.4195 km WSW of Adak, Alaska · 10699 days ago · 33 km deep · 8 km away
  5. 4.2260 km WSW of Adak, Alaska · 10702 days ago · 62 km deep · 64 km away
  6. 4.0240 km WSW of Adak, Alaska · 10702 days ago · 33 km deep · 42 km away
  7. 3.5176 km WSW of Adak, Alaska · 10705 days ago · 33 km deep · 22 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp00084a4. Read Fri, Oct 2, 2026, 9:44 AM UTC.