M3.5 earthquake 37 km NNE of Chase, Alaska
A magnitude 3.5 earthquake struck 37 km NNE of Chase, Alaska on Wed, May 28, 1975, 11:56 PM GMT-9 (08:56 UTC), 61 km (38 mi) below the surface.
A larger quake followed: M4.3 11 km E of Susitna North, Alaska. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.5 (mb), minor
- Local time
- UTC
- 1975-05-29 08:56:21 UTC
- Depth
- 61.0 km (37.9 mi), shallow
- Epicenter
- 62.732° N, 149.718° 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
- 14
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 3 in the 30 days before it.
After
- 3.17 km WNW of Trapper Creek, Alaska · 18742 days ago · 33 km deep · 55 km away
- 4.311 km E of Susitna North, Alaska · 18731 days ago · 59 km deep · 63 km away
- 4.062 km SE of Denali National Park, Alaska · 18718 days ago · 133 km deep · 74 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000b7t. Read Tue, Sep 22, 2026, 6:13 AM UTC.