M3.9 earthquake 14 km NW of Tatitlek, Alaska
A magnitude 3.9 earthquake struck 14 km NW of Tatitlek, Alaska on Tue, Apr 19, 1977, 5:53 AM GMT-10 (15:53 UTC), 21 km (13 mi) below the surface.
A larger quake followed: M4.2 49 km SSE of Glacier View, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.9 (mb), minor
- Local time
- UTC
- 1977-04-19 15:53:19 UTC
- Depth
- 21.0 km (13.0 mi), shallow
- Epicenter
- 60.970° N, 146.832° 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
- 19
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.249 km SSE of Glacier View, Alaska · 18047 days ago · 36 km deep · 54 km away
- 3.719 km WSW of Tatitlek, Alaska · 18024 days ago · 52 km deep · 21 km away
- 3.248 km WNW of Valdez, Alaska · 18016 days ago · 45 km deep · 38 km away
- 4.250 km S of Tolsona, Alaska · 17999 days ago · 35 km deep · 82 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000nfq. Read Tue, Sep 22, 2026, 10:03 AM UTC.