M5.4 earthquake 70 km WSW of Cantwell, Alaska
A magnitude 5.4 earthquake struck 70 km WSW of Cantwell, Alaska on Sun, May 18, 1975, 6:42 AM GMT-9 (15:42 UTC), 106 km (66 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.4 (mb), moderate
- Local time
- UTC
- 1975-05-18 15:42:59 UTC
- Depth
- 106.0 km (65.9 mi), intermediate-depth
- Epicenter
- 63.170° N, 150.263° 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.
- Depth from
- CONSTRAINED_BY_DEPTH_PHASES
- Stations used
- 223
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.4 and up: 4 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.264 km N of Chase, Alaska · 18753 days ago · 125 km deep · 21 km away
- 3.537 km NNE of Chase, Alaska · 18744 days ago · 61 km deep · 56 km away
- 3.17 km WNW of Trapper Creek, Alaska · 18742 days ago · 33 km deep · 92 km away
- 4.062 km SE of Denali National Park, Alaska · 18718 days ago · 133 km deep · 35 km away
Before
Earthquakes todayAlaska earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000b2m (also filed as iscgem729115). Read Tue, Sep 22, 2026, 10:44 AM UTC.