Minor earthquake, 3.1 mag has occurred near Healdton in Oklahoma

A minor earthquake magnitude 3.1 (ml/mb) has occurred on Friday, 10 kilometers (6 miles) from Healdton in Oklahoma. Exact location of earthquake, -97.5324° West, 34.3179° North, depth 7.005 km. The temblor was detected at 05:20:34 / 5:20 am (local time epicenter). The earthquake was roughly at a depth of 7.005 km (4 miles). Date and time of earthquake in UTC/GMT: 21/11/25 / 2025-11-21 05:20:34 / November 21, 2025 @ 5:20 am. All ids that are associated to the event: us6000rpi0. Unique identifier: us6000rpi0.

Nearest cities/city/towns to hypocenter/epicentrum was Purcell, Pauls Valley, Duncan (min 5000 pop). Country/countries that might be effected, United States (c. 310 233 000 pop). Epicenter of the event was 39 km (24 miles) from Ardmore (c. 24 300 pop), 44 km (27 miles) from Duncan (c. 23 400 pop), 55 km (34 miles) from Pauls Valley (c. 6 200 pop), 79 km (49 miles) from Purcell (c. 5 900 pop), 29 km (18 miles) from Lone Grove (c. 5 100 pop).

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 in the same area. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. There are an estimated 130,000 minor earthquakes 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. 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: 10 km NNW of Healdton, Oklahoma.

More information

Parameter	Value	Description
Magnitude	3.1 mb	The magnitude for the event.
Longitude	-97.5324° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	34.3179° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	7.005 km	Depth of the event in kilometers.
Place	10 km NNW of Healdton, Oklahoma	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-11-21 05:20:34	Time when the event occurred. UTC/GMT
Updated	2025-11-21 05:55:18	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	148	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	33	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.067	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.63 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	34	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	us6000rpi0	Id of event.
Event Code	6000rpi0	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000rpi0,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 3.1 mag has occurred near Healdton in Oklahoma

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