M4.2 earthquake 106 km S of False Pass, Alaska
A magnitude 4.2 earthquake struck 106 km S of False Pass, Alaska on Mon, Jan 21, 1974, 4:10 AM GMT-10 (14:10 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M6.5 81 km ESE of Akutan, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.2 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1974-01-21 14:10:10 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 53.906° N, 163.665° 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
- Stations used
- 20
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 0 in the 30 days before it.
After
- 6.581 km ESE of Akutan, Alaska · 19231 days ago · 2 km deep · 67 km away
- 4.7134 km S of False Pass, Alaska · 19219 days ago · 33 km deep · 30 km away
- 4.083 km S of King Cove, Alaska · 19197 days ago · 56 km deep · 94 km away
- 4.9128 km S of False Pass, Alaska · 19187 days ago · 33 km deep · 28 km away
- 5.1137 km S of False Pass, Alaska · 19187 days ago · 33 km deep · 37 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00004zm. Read Fri, Oct 2, 2026, 2:14 AM UTC.