Minor earthquake 2.9 mag, 6 km WSW of Gypsum, Kansas

A minor earthquake with magnitude 2.9 (ml/mb) was detected on Tuesday, 6 kilometers (4 miles) from Gypsum in Kansas. Exact location of earthquake, longitude -97.4972 West, latitude 38.6743 North, depth = 10.984 km. The earthquake occurred at a depth of 10.984 km (7 miles) below the earth’s surface. Date and time of earthquake in UTC/GMT: 23/09/25 / 2025-09-23 02:23:51 / September 23, 2025 @ 2:23 am. Unique identifier: us6000rc7j. Ids that are associated to the event: us6000rc7j. The 2.9-magnitude earthquake has occurred at 02:23:51 / 2:23 am (local time epicenter).

Nearby country/countries that might be effected, United States (c. 310 233 000 pop). The epicenter was 21 km (13 miles) from Salina (c. 47 700 pop), 70 km (43 miles) from Junction City (c. 23 400 pop), 71 km (44 miles) from Newton (c. 19 100 pop), 37 km (23 miles) from McPherson (c. 13 200 pop), 76 km (48 miles) from Fort Riley North (c. 7 800 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Fort Riley North, Newton, Junction City.

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. In the past 24 hours, there have been 0, in the last 10 days 0, in the past 30 days 0 and in the last 365 days six earthquakes of magnitude 3.0 or greater that have been detected nearby.

How would you describe the shaking?

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: 6 km WSW of Gypsum, Kansas.

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Parameter	Value	Description
Magnitude	2.9 mb	The magnitude for the event.
Longitude	-97.4972° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	38.6743° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10.984 km	Depth of the event in kilometers.
Place	6 km WSW of Gypsum, Kansas	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-09-23 02:23:51	Time when the event occurred. UTC/GMT
Updated	2025-09-23 02:32:44	Time when the event was most recently updated. UTC/GMT
Timezone offset		Timezone offset from UTC in minutes at the event epicenter.
Felt	1	The total number of felt reports
CDI	3.1	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	130	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	35	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.728	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.57 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	94	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	mb_lg	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	us6000rc7j	Id of event.
Event Code	6000rc7j	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000rc7j,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake 2.9 mag, 6 km WSW of Gypsum, Kansas

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