Possible earthquake reported minutes ago near Great Falls, Montana, USA
Unconfirmed quake or seismic-like event reported 1.6 mi northwest of Great Falls, Cascade County, Montana, United States, 7 minutes ago

We are receiving unverified early reports of ground shaking possibly caused by seismic activity in or near Great Falls, Montana, USA, on 18 Sep 2026 (GMT) at approximately 13:39 GMT.
There are no details yet on the magnitude or depth of this possible quake. If confirmed, we can expect more accurate data to emerge in the next few minutes. The location, magnitude, and time mentioned are indicative, based on our best-fit seismic model. They are temporary until our AllQuakes monitoring service receives more exact scientific data from a national or international seismological agency. Check back here shortly and stay safe.


Earthquake data:
Date & time: Sep 18, 2026 07:39 am (GMT -6) local time (18 Sep 2026 13:39 GMT)
Magnitude: unspecified
Hypocenter depth: unspecified
Epicenter coordinates: 47.51°N / 111.33°W (Montana, United States)
Primary data source: VolcanoDiscovery
https://www.volcanodiscovery.com/earthquakes/news/357857/Possible-earthquake-reported-minutes-ago-near-Great-Falls-Montana-USA.html