M4.0 earthquake 26 km WNW of Nikiski, Alaska
A magnitude 4.0 earthquake struck 26 km WNW of Nikiski, Alaska on Sun, Jan 1, 1978, 6:23 PM GMT-10 (04:23 UTC), 87 km (54 mi) below the surface.
A larger quake followed: M4.7 9 km ENE of Kasilof, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.0 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1978-01-02 04:23:11 UTC
- Depth
- 87.0 km (54.1 mi), intermediate-depth
- Epicenter
- 60.810° N, 151.715° 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
- 13
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000saz. Read Thu, Oct 1, 2026, 6:32 PM UTC.