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

Earthquake location 34.39083333S, -97.42516667WA 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.

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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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