Las Animas County, CO – A magnitude 4.0 earthquake was recorded Friday evening near Weston in southern Colorado, according to the U.S. Geological Survey.
According to the USGS, the quake occurred at approximately 5:44 p.m. UTC on May 7, 2026, about 17 kilometers south-southwest of Weston. The earthquake originated at a depth of about 8.7 kilometers.
Initial data indicates light shaking in the surrounding area, with community intensity reports suggesting minor impacts. The USGS classified the event with a low likelihood of significant damage or casualties, noting both estimated economic losses and fatalities fall within minimal ranges.
The quake has been identified as the potential mainshock in a small seismic sequence. Forecasters say there is a slight chance of aftershocks in the coming days, with smaller magnitude events (M3+) being the most likely.
No injuries or structural damage have been reported as of Friday evening. The region, located in Las Animas County near the New Mexico border, does experience occasional seismic activity, though events of this magnitude are relatively uncommon.
Residents who felt the quake are encouraged to report their experience through the USGS “Did You Feel It?” program to help scientists better understand the event’s impact.
Officials continue to monitor the situation, but no emergency alerts or actions have been issued.
