Minor earthquake 2.8 mag, 10 km SE of Ratliff City, Oklahoma

A minor earthquake magnitude 2.8 (ml/mb) has occurred on Monday, 10 kilometers (6 miles) from Ratliff City in Oklahoma. Exact location of earthquake, longitude -97.42516667 West, latitude 34.39083333 North, depth = 5.58 km. Global time and date of event 22/02/21 / 2021-02-22 05:20:00 / February 22, 2021 @ 5:20 am UTC/GMT. The earthquake occurred at a depth of 5.58 km (3 miles). The 2.8-magnitude earthquake was detected at 05:20:00 / 5:20 am (local time epicenter). Unique identifier: ok2021drks. Ids that are associated to the event: us6000dk0l, ok2021drks.

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Purcell, Duncan, Pauls Valley. Nearby country/countries, United States (c. 310 233 000 pop) (That might be effected). Epicenter of the earthquake was 35 km (22 miles) from Ardmore (c. 24 300 pop), 50 km (31 miles) from Duncan (c. 23 400 pop), 43 km (27 miles) from Pauls Valley (c. 6 200 pop), 70 km (43 miles) from Purcell (c. 5 900 pop), 28 km (18 miles) from Lone Grove (c. 5 100 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 one, in the past 30 days one and in the last 365 days nine earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

Did you feel anything?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 10 km SE of Ratliff City, Oklahoma.

More information

Parameter	Value	Description
Magnitude	2.8 mb	The magnitude for the event.
Longitude	-97.42516667° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	34.39083333° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	5.58 km	Depth of the event in kilometers.
Place	10 km SE of Ratliff City, Oklahoma	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2021-02-22 05:20:00	Time when the event occurred. UTC/GMT
Updated	2021-02-22 13:50:03	Time when the event was most recently updated. UTC/GMT
Timezone offset		Timezone offset from UTC in minutes at the event epicenter.
Felt	2	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	121	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	,us,ok,	A comma-separated list of network contributors.
Number of Stations Used	36	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.04859046489	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.34 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	83	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	ok2021drks	Id of event.
Event Code	2021drks	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000dk0l,ok2021drks,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake 2.8 mag, 10 km SE of Ratliff City, Oklahoma

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