M4.3 earthquake 16 km SW of Anchor Point, Alaska
A magnitude 4.3 earthquake struck 16 km SW of Anchor Point, Alaska on Sun, Aug 7, 1983, 6:17 AM GMT-9 (15:17 UTC), 100 km (62 mi) below the surface.
A larger quake followed: M4.7 71 km WNW of Ninilchik, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.3 (mb), light
- Local time
- UTC
- 1983-08-07 15:17:00 UTC
- Depth
- 100.3 km (62.3 mi), intermediate-depth
- Epicenter
- 59.680° N, 152.050° 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: 4 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.771 km WNW of Ninilchik, Alaska · 15740 days ago · 114 km deep · 75 km away
- 4.061 km WNW of Anchor Point, Alaska · 15714 days ago · 185 km deep · 56 km away
- 4.865 km WNW of Ninilchik, Alaska · 15707 days ago · 127 km deep · 81 km away
- 3.314 km NW of Anchor Point, Alaska · 15705 days ago · 33 km deep · 20 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001xfr. Read Tue, Sep 22, 2026, 10:59 AM UTC.