M3.5 earthquake 21 km NW of Tatitlek, Alaska
A magnitude 3.5 earthquake struck 21 km NW of Tatitlek, Alaska on Sat, Sep 8, 1973, 4:02 AM GMT-9 (13:02 UTC), 57 km (35 mi) below the surface.
A larger quake followed: M3.7 9 km WNW of Valdez, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.5 (mb), minor
- Local time
- UTC
- 1973-09-08 13:02:17 UTC
- Depth
- 57.0 km (35.4 mi), shallow
- Epicenter
- 60.999° N, 146.959° 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
- 11
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 4 in the 30 days before it.
After
- 3.29 km NW of Tatitlek, Alaska · 19369 days ago · 40 km deep · 12 km away
- 3.79 km WNW of Valdez, Alaska · 19340 days ago · 33 km deep · 30 km away
- 3.227 km W of Tatitlek, Alaska · 19334 days ago · 84 km deep · 16 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00003cb. Read Tue, Sep 22, 2026, 11:09 AM UTC.