M4.4 earthquake 52 km SSW of Silver Gate, Montana
A magnitude 4.4 earthquake struck 52 km SSW of Silver Gate, Montana on Sat, Apr 21, 1973, 12:26 AM MST (07:26 UTC), 10 km (6 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.4 (mb), light
- Local time
- UTC
- 1973-04-21 07:26:10 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 44.545° N, 110.133° W
- Region
- Wyoming
- 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
- OPERATOR_ASSIGNED
- Stations used
- 28
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 1 in the 60 days after this one and 9 in the 30 days before it.
After
Before
- 4.257 km ESE of West Yellowstone, Montana · 19522 days ago · 10 km deep · 28 km away
- 3.658 km N of Kelly, Wyoming · 19524 days ago · 5 km deep · 53 km away
- 5.151 km ESE of West Yellowstone, Montana · 19533 days ago · 10 km deep · 29 km away
- 3.762 km ESE of West Yellowstone, Montana · 19535 days ago · 10 km deep · 28 km away
- 4.668 km ESE of West Yellowstone, Montana · 19535 days ago · 11 km deep · 27 km away
- 4.057 km ESE of West Yellowstone, Montana · 19537 days ago · 10 km deep · 30 km away
- 4.564 km ESE of West Yellowstone, Montana · 19537 days ago · 10 km deep · 30 km away
- 5.062 km ESE of West Yellowstone, Montana · 19537 days ago · 8 km deep · 24 km away
- 3.455 km ESE of West Yellowstone, Montana · 19539 days ago · 10 km deep · 28 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00001fx. Read Tue, Sep 22, 2026, 9:43 PM UTC.