Minor earthquake, 2.85 mag strikes near Healdton in Oklahoma

A minor earthquake with magnitude 2.85 (ml/mb) was detected on Wednesday, 9 kilometers (6 miles) from Healdton in Oklahoma. The earthquake occurred at a depth of 2.253252506 km (1 miles) below the earth’s surface. Exact location of event, depth 2.253252506 km, -97.58023834° West, 34.26582718° North. The 2.85-magnitude earthquake was detected at 16:49:58 / 4:49 pm (local time epicenter). Event ids that are associated to the earthquake: ok2025xrej. Id of event: ok2025xrej. Global date and time of event UTC/GMT: 03/12/25 / 2025-12-03 16:49:58 / December 3, 2025 @ 4:49 pm.

Country/countries that might be effected, United States (c. 310 233 000 pop). Epicenter of the event was 41 km (26 miles) from Ardmore (c. 24 300 pop), 43 km (27 miles) from Duncan (c. 23 400 pop), 62 km (39 miles) from Pauls Valley (c. 6 200 pop), 31 km (19 miles) from Lone Grove (c. 5 100 pop). Closest city/cities/towns to epicentrum/hypocenter was Pauls Valley, Duncan, Ardmore (min 5000 pop).

Each year there are an estimated 1,300,000 minor quakes in the world. In the past 24 hours, there have been 0, in the last 10 days 0, in the past 30 days one and in the last 365 days one earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

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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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 9 km WNW of Healdton, Oklahoma. This data comes from the USGS Earthquake Notification Service.

More information

Parameter	Value	Description
Magnitude	2.85 mb	The magnitude for the event.
Longitude	-97.58023834° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	34.26582718° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	2.253252506 km	Depth of the event in kilometers.
Place	9 km WNW 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	2025-12-03 16:49:58	Time when the event occurred. UTC/GMT
Updated	2025-12-03 16:52:38	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	automatic	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	125	A number describing how significant the event is. Larger numbers indicate a more significant event.
Network	ok	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,ok,	A comma-separated list of network contributors.
Number of Stations Used	17	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.1316127032	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.8839681 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	213.1170654	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	ok2025xrej	Id of event.
Event Code	2025xrej	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,ok2025xrej,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake, 2.85 mag strikes near Healdton in Oklahoma

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