M3.9 earthquake 57 km N of Chickaloon, Alaska
A magnitude 3.9 earthquake struck 57 km N of Chickaloon, Alaska on Mon, Dec 29, 1975, 7:52 AM GMT-10 (17:52 UTC), 73 km (45 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.9 (ml), minor
- Local time
- UTC
- 1975-12-29 17:52:33 UTC
- Depth
- 73.0 km (45.4 mi), intermediate-depth
- Epicenter
- 62.304° N, 148.634° 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
- 12
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 4 in the 30 days before it.
After
- 3.313 km WSW of Trapper Creek, Alaska · 18513 days ago · 33 km deep · 94 km away
- 2.628 km E of Knik River, Alaska · 18511 days ago · 28 km deep · 97 km away
Before
- 3.22 km ENE of Eureka Roadhouse, Alaska · 18532 days ago · 32 km deep · 88 km away
- 2.86 km NE of Sutton-Alpine, Alaska · 18534 days ago · 25 km deep · 53 km away
- 4.187 km N of Chickaloon, Alaska · 18535 days ago · 72 km deep · 37 km away
- 3.79 km SW of Butte, Alaska · 18557 days ago · 42 km deep · 96 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000e5b. Read Tue, Sep 22, 2026, 8:44 AM UTC.