M4.0 earthquake 92 km SSW of Nikolski, Alaska
A magnitude 4.0 earthquake struck 92 km SSW of Nikolski, Alaska on Fri, Apr 2, 1976, 2:18 PM GMT-10 (00:18 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M4.9 83 km SW 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
- 4.0 (mb), light
- Local time
- UTC
- 1976-04-03 00:18:02 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 52.178° N, 169.428° 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
- 10
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.983 km SW of Nikolski, Alaska · 18434 days ago · 33 km deep · 22 km away
- 5.0101 km SSW of Nikolski, Alaska · 18434 days ago · 22 km deep · 13 km away
- 4.690 km SSW of Nikolski, Alaska · 18434 days ago · 33 km deep · 9 km away
- 4.594 km SSW of Nikolski, Alaska · 18433 days ago · 37 km deep · 4 km away
- 4.5109 km SSW of Nikolski, Alaska · 18433 days ago · 24 km deep · 17 km away
- 4.888 km SSW of Nikolski, Alaska · 18433 days ago · 15 km deep · 12 km away
- 5.2107 km SW of Nikolski, Alaska · 18425 days ago · 38 km deep · 58 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000frd. Read Tue, Sep 22, 2026, 10:01 AM UTC.