M4.0 earthquake 44 km ENE of Pedro Bay, Alaska
A magnitude 4.0 earthquake struck 44 km ENE of Pedro Bay, Alaska on Sun, May 3, 1981, 12:04 PM GMT-9 (21:04 UTC), 142 km (88 mi) below the surface.
A larger quake followed: M4.6 61 km W of Anchor Point, 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), light
- Local time
- UTC
- 1981-05-03 21:04:43 UTC
- Depth
- 141.6 km (88.0 mi), intermediate-depth
- Epicenter
- 59.991° N, 153.426° 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: 5 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.661 km W of Anchor Point, Alaska · 16560 days ago · 117 km deep · 37 km away
- 4.165 km WNW of Ninilchik, Alaska · 16553 days ago · 115 km deep · 39 km away
- 4.772 km SE of Pedro Bay, Alaska · 16525 days ago · 111 km deep · 76 km away
- 3.49 km SSW of Happy Valley, Alaska · 16522 days ago · 33 km deep · 92 km away
- 4.435 km W of Nanwalek, Alaska · 16518 days ago · 152 km deep · 82 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001dh0. Read Tue, Sep 22, 2026, 10:58 AM UTC.