Minor earthquake, 3 mag strikes near Marathon in Texas

A minor earthquake with magnitude 3 (ml/mb) was detected on Saturday, 21 kilometers (13 miles) from Marathon in Texas. The earthquake occurred at a depth of 10.401 km (6 miles). Event id: us6000rswk. Ids that are associated to the earthquake: us6000rswk. The temblor was reported at 10:47:23 / 10:47 am (local time epicenter). Exact location of event, longitude -103.2634 West, latitude 30.0085 North, depth = 10.401 km. Global date and time of event UTC/GMT: 06/12/25 / 2025-12-06 10:47:23 / December 6, 2025 @ 10:47 am.

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Alpine. Epicenter of the earthquake was 55 km (34 miles) from Alpine (c. 5 900 pop). Close country/countries, United States (c. 310 233 000 pop) (That might be effected).

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

Did you feel the quake?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 21 km S of Marathon, Texas.

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Parameter	Value	Description
Magnitude	3 mb	The magnitude for the event.
Longitude	-103.2634° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	30.0085° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10.401 km	Depth of the event in kilometers.
Place	21 km S of Marathon, Texas	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-12-06 10:47:23	Time when the event occurred. UTC/GMT
Updated	2025-12-06 10:59:22	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	138	A number describing how significant the event is. Larger numbers indicate a more significant event.
Network	us	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,us,	A comma-separated list of network contributors.
Number of Stations Used	34	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.488	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.59 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	92	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	us6000rswk	Id of event.
Event Code	6000rswk	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000rswk,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3 mag strikes near Marathon in Texas

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