Earthquake reference
17 km N of Twin Bridges, Montana
USGS recorded this 0.85 magnitude event near 17 km N of Twin Bridges, Montana at 2026-07-08T05:58:54.440000+00:00. The published hypocentral depth is 4 km and the review status is reviewed. Event parameters can be revised as additional observations are processed. Nearby airports and postal locations on this page are calculated spatial references only; they do not establish administrative jurisdiction, damage, causation or future risk. This record is not an earthquake forecast or emergency alert.
Key facts
- Magnitude
- 0.85
- Magnitude type
- ml
- Occurred at
- 2026-07-08T05:58:54.440000+00:00
- Updated at
- 2026-07-13T01:44:00.600000+00:00
- Review status
- reviewed
- Event type
- earthquake
- Tsunami flag
- No
- Significance
- 11
- Network
- mb
- Latitude
- 45.7038333333333
- Longitude
- -112.318833333333
- Depth (km)
- 4
- USGS event page
- https://earthquake.usgs.gov/earthquakes/eventpage/mb90201913
Upstream revision context
USGS event revision
This timeline contains versions captured by DataOfWorld; it is not a complete official revision archive.
| Updated | Status | Payload digest |
|---|---|---|
| 2026-07-13T01:44:00.600000+00:00 | reviewed | 2825d90505e6 |
Associated event IDs: mb90201913
Field-level provenance
Sources for this profile
Dates and licenses apply to the specific facts and series supplied by each source.
USGS Earthquake Hazards Program
- Applicable date
- 2026-07-08
- Dataset version
- 63e48b3f8d6c
- License
- United States public domain
- Attribution
- U.S. Geological Survey
DataOfWorld deterministic earthquake profile template
- Applicable date
- 2026-07-08
- Dataset version
- earthquake-profile-v1
- License
- Original DataOfWorld text
- Attribution
- DataOfWorld
Reference data can change. Verify consequential decisions against the original source.