How strong was the 40 km S of Evanston, Wyoming earthquake?
The 40 km S of Evanston, Wyoming earthquake had a magnitude of 4.65 ml, classified as a "Light" earthquake on the magnitude scale. Earthquakes of this magnitude are typically felt by people nearby but rarely cause significant structural damage.
Where exactly did this earthquake occur and how deep was it?
This earthquake struck at coordinates 40.9105N, 110.8745W, at a depth of 14.7 km. Shallow earthquakes (under 20 km) tend to cause more surface damage than deeper events.
Did this earthquake trigger a tsunami warning?
No tsunami warning was issued for this earthquake. Earthquakes below magnitude 6.5 rarely generate dangerous tsunamis, though localized effects are possible in rare cases.
How many people felt this earthquake?
4,302 people submitted felt reports to the USGS for this earthquake. The Community Decimal Intensity (CDI) reached 4.6, indicating moderate shaking felt by most people indoors. The Modified Mercalli Intensity (MMI) was estimated at 4.6.
When did this earthquake happen and how significant was it?
This earthquake occurred on January 22, 2026 at 23:49:20. The USGS assigned it a significance score of 793 out of a possible 3,000, which factors in magnitude, felt reports, and potential impact. This is a moderately significant seismic event. The PAGER alert level was "green", indicating the estimated level of response needed.