May 8, 2007 Earthquake: Sheridan, Montana, United States
A magnitude 4.5 earthquake struck Sheridan, Montana, United States on May 8, 2007 at 15:46:49 UTC, 14 km below the surface.
Map
Where it struck, with the other significant earthquakes within 200 km. Circles are sized and colored by magnitude; select one for its page.
The earthquake
- Date
- May 8, 2007
- Time
- 15:46:49 UTC
- Place
- Sheridan, Montana, United States
- Magnitude
- 4.5 (Mw)
- Focal depth
- 14 km (9 mi)
- Intensity
- 5 on the Modified Mercalli scale
- Tsunami
- None recorded
- Epicenter
- 45.394° N, 112.130° W
- Country
- United States
The toll
- Damage
- Limited (under about $1 million)
Where the literature gives no number, NCEI records a description on a scale of 1 to 4, printed here in its words. Damage is in millions of US dollars of the year of the event, not adjusted for inflation.
What the record says
NCEI’s account, from the sources it cites.
Several buildings slightly damaged (V) at
Sheridan. Felt (V) at Twin Bridges; (IV) at Dillon,
Norris and Virginia City; (III) at Anaconda, Bozeman,
Butte, Clancy, Corvallis, Deer Lodge, Divide, Ennis,
Gallatin Gateway, Hamilton, Helena, Manhattan,
Missoula, Salmon, Stevensville, Three Forks, Victor
and Whitehall; (II) at Boise, Florence and Great
Falls. Felt at Belgrade, Big Timber, Billings,
Boulder, Cardwell, Cascade, Darby, East Helena, Elk
City, Fort Benton, Gardiner, Garrison, Helmville,
Leadore, Lewistown, Lincoln, Lolo, Moscow, North Fork,
Philipsburg, Pony, Radersburg, Silverstar, Sula and
Warm Springs. Also felt at Pullman, Washington. (reference #1053)
Other significant earthquakes nearby
Within 200 km, the deadliest first.
More
Significant earthquakes of 2007The 2000sEvery quake the USGS located in 2007Recent earthquakes near hereThis day in weather history
Sources
Significant earthquakes from NOAA’s National Centers for Environmental Information, Global Historical Hazard Database, cited as NCEI/WDS, doi:10.7289/V5PN93H7. Public domain. Read 2026-09-24. NCEI earthquake 7522.