M4.8 earthquake 53 km S of Adak, Alaska
A magnitude 4.8 earthquake struck 53 km S of Adak, Alaska on Sat, Nov 3, 1973, 2:08 AM GMT-11 (13:08 UTC), 58 km (36 mi) below the surface.
A larger quake followed: M6.4 89 km ESE of Adak, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.8 (mb), light
- Local time
- UTC
- 1973-11-03 13:08:57 UTC
- Depth
- 58.0 km (36.0 mi), shallow
- Epicenter
- 51.398° N, 176.570° 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.
- Stations used
- 31
Nearby
Within 100 km, magnitude 1.8 and up: 9 in the 60 days after this one and 0 in the 30 days before it.
After
- 4.131 km ESE of Adak, Alaska · 19315 days ago · 46 km deep · 44 km away
- 6.489 km ESE of Adak, Alaska · 19313 days ago · 34 km deep · 84 km away
- 6.399 km SW of Atka, Alaska · 19313 days ago · 41 km deep · 94 km away
- 4.588 km WSW of Atka, Alaska · 19313 days ago · 49 km deep · 97 km away
- 4.092 km SW of Atka, Alaska · 19311 days ago · 49 km deep · 99 km away
- 4.396 km ESE of Adak, Alaska · 19310 days ago · 39 km deep · 78 km away
- 3.982 km SE of Adak, Alaska · 19292 days ago · 19 km deep · 45 km away
- 4.779 km SW of Adak, Alaska · 19284 days ago · 51 km deep · 70 km away
- 5.8100 km WSW of Adak, Alaska · 19275 days ago · 53 km deep · 90 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000419. Read Tue, Sep 22, 2026, 8:02 AM UTC.