M5.0 earthquake 110 km SW of Nikolski, Alaska
A magnitude 5.0 earthquake struck 110 km SW of Nikolski, Alaska on Wed, Jan 25, 1978, 11:43 AM GMT-10 (21:43 UTC), 21 km (13 mi) below the surface.
A larger quake followed: M5.1 76 km SSE of Nikolski, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.0 (mb), moderate
- Local time
- UTC
- 1978-01-25 21:43:03 UTC
- Depth
- 21.0 km (13.0 mi), shallow
- Epicenter
- 52.126° N, 169.808° 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
- 96
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.0 and up: 7 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.780 km SSE of Nikolski, Alaska · 17723 days ago · 20 km deep · 95 km away
- 5.176 km SSE of Nikolski, Alaska · 17722 days ago · 38 km deep · 84 km away
- 5.573 km SSE of Nikolski, Alaska · 17722 days ago · 49 km deep · 83 km away
- 4.659 km SSE of Nikolski, Alaska · 17722 days ago · 51 km deep · 90 km away
- 5.072 km SSE of Nikolski, Alaska · 17722 days ago · 33 km deep · 86 km away
- 5.8111 km SSW of Nikolski, Alaska · 17715 days ago · 23 km deep · 27 km away
- 4.791 km SSW of Nikolski, Alaska · 17714 days ago · 33 km deep · 22 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000spv. Read Tue, Sep 22, 2026, 11:19 AM UTC.