M3.8 earthquake 17 km W of Tyonek, Alaska
A magnitude 3.8 earthquake struck 17 km W of Tyonek, Alaska on Fri, Jul 3, 1981, 1:08 AM GMT-9 (10:08 UTC), 72 km (44 mi) below the surface.
A larger quake followed: M4.6 9 km WNW of Point Possession, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.8 (mb), minor
- Local time
- UTC
- 1981-07-03 10:08:11 UTC
- Depth
- 71.5 km (44.4 mi), intermediate-depth
- Epicenter
- 61.050° N, 151.467° 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.
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 1 in the 30 days before it.
After
- 3.84 km WSW of Salamatof, Alaska · 16511 days ago · 80 km deep · 50 km away
- 3.332 km NW of Cooper Landing, Alaska · 16502 days ago · 33 km deep · 79 km away
- 3.878 km W of Salamatof, Alaska · 16501 days ago · 125 km deep · 82 km away
- 4.69 km WNW of Point Possession, Alaska · 16494 days ago · 72 km deep · 35 km away
- 4.327 km W of Susitna, Alaska · 16468 days ago · 72 km deep · 58 km away
- 5.121 km N of Susitna, Alaska · 16462 days ago · 71 km deep · 94 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001egd. Read Wed, Sep 23, 2026, 1:55 AM UTC.