M4.0 earthquake 61 km WNW of Anchor Point, Alaska
A magnitude 4.0 earthquake struck 61 km WNW of Anchor Point, Alaska on Wed, Sep 14, 1983, 2:25 AM GMT-9 (11:25 UTC), 185 km (115 mi) below the surface.
A larger quake followed: M4.8 65 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
- 4.0 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1983-09-14 11:25:02 UTC
- Depth
- 184.9 km (114.9 mi), intermediate-depth
- Epicenter
- 59.969° N, 152.868° W
- Region
- Alaska
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
What happened
The USGS’s account of the effects of this earthquake.
Felt at Anchorage and Homer.
From the USGS event page for usp0001yc0. U.S. Geological Survey text and figures are in the public domain.
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: 5 in the 60 days after this one and 1 in the 30 days before it.
After
- 3.747 km ESE of Pope-Vannoy Landing, Alaska · 15717 days ago · 33 km deep · 86 km away
- 4.865 km WNW of Ninilchik, Alaska · 15717 days ago · 127 km deep · 41 km away
- 3.314 km NW of Anchor Point, Alaska · 15716 days ago · 33 km deep · 49 km away
- 4.621 km W of Anchor Point, Alaska · 15696 days ago · 81 km deep · 43 km away
- 3.082 km W of Nikiski, Alaska · 15688 days ago · 33 km deep · 95 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001yc0. Read Fri, Oct 2, 2026, 11:28 PM UTC.