Minor earthquake: M3.04 quake has struck near Little America in Wyoming

A minor earthquake with magnitude 3.04 (ml/mb) was reported 4 kilometers (2 miles) from Little America in Wyoming on Tuesday. Exact location, longitude -109.88583333333° West, latitude 41.575833333333° North, depth = -3.26 km. The earthquake occurred at a depth of -3.26 km (-2 miles) below the earth’s surface. The temblor was picked up at 05:00:53 / 5:00 am (local time epicenter). Event ids that are associated to the earthquake: uu80124621. Id of event: uu80124621. Date and time of earthquake in UTC/GMT: 09/12/25 / 2025-12-09 05:00:53 / December 9, 2025 @ 5:00 am.

Close country/countries, United States (c. 310 233 000 pop) (That might be effected). Nearest cities/city/villages to epicentrum/hypocenter was Rock Springs, Green River (min 5000 pop). Event epicenter was 57 km (35 miles) from Rock Springs (c. 23 000 pop), 35 km (22 miles) from Green River (c. 12 500 pop).

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days two and in the last 365 days sixteen earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. There are an estimated 130,000 minor quakes in the world each year.

Questions or comments?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 4 km NNW of Little America, Wyoming.

More information

Parameter	Value	Description
Magnitude	3.04 mb	The magnitude for the event.
Longitude	-109.88583333333° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	41.575833333333° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	-3.26 km	Depth of the event in kilometers.
Place	4 km NNW of Little America, Wyoming	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-12-09 05:00:53	Time when the event occurred. UTC/GMT
Updated	2025-12-09 15:22:30	Time when the event was most recently updated. UTC/GMT
Timezone offset		Timezone offset from UTC in minutes at the event epicenter.
Felt		The total number of felt reports
CDI		The maximum reported intensity for the event.
MMI		The maximum estimated instrumental intensity for the event.
Alert Level		The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status	reviewed	Indicates whether the event has been reviewed by a human.
Tsunami	0	This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.
SIG	142	A number describing how significant the event is. Larger numbers indicate a more significant event.
Network	uu	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,uu,	A comma-separated list of network contributors.
Number of Stations Used	19	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.1265	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.18 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	113	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	ml	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	uu80124621	Id of event.
Event Code	80124621	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,uu80124621,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M3.04 quake has struck near Little America in Wyoming

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