M4.3 earthquake 58 km WNW of Anchor Point, Alaska
A magnitude 4.3 earthquake struck 58 km WNW of Anchor Point, Alaska on Wed, Sep 5, 1973, 9:58 AM GMT-9 (18:58 UTC), 124 km (77 mi) below the surface.
A larger quake followed: M4.4 80 km NE of Port Alsworth, 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
- 1973-09-05 18:58:49 UTC
- Depth
- 124.0 km (77.1 mi), intermediate-depth
- Epicenter
- 59.897° N, 152.845° 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
- 17
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 1 in the 30 days before it.
After
- 4.480 km NE of Port Alsworth, Alaska · 19357 days ago · 167 km deep · 96 km away
- 4.067 km WNW of Happy Valley, Alaska · 19342 days ago · 147 km deep · 25 km away
- 3.548 km W of Salamatof, Alaska · 19334 days ago · 87 km deep · 92 km away
- 4.453 km W of Anchor Point, Alaska · 19328 days ago · 118 km deep · 7 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00003bf. Read Sun, Sep 27, 2026, 4:17 PM UTC.