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Minor earthquake, 2.8 mag strikes near Ratliff City in Oklahoma

Earthquake location 34.37992477S, -97.39832306WA minor earthquake magnitude 2.8 (ml/mb) strikes 12 kilometers (7 miles) from Ratliff City in Oklahoma on Thursday. The temblor was picked up at 02:50:51 / 2:50 am (local time epicenter). Exact location, longitude -97.39832306° West, latitude 34.37992477° North, depth = 5 km. All ids that are associated to the event: ok2021ejmv. Unique identifier: ok2021ejmv. The earthquake was roughly at a depth of 5 km (3 miles). Exact time and date of earthquake 04/03/21 / 2021-03-04 02:50:51 / March 4, 2021 @ 2:50 am UTC/GMT.

Nearby country/countries, United States (c. 310 233 000 pop) (That might be effected). The epicenter was 33 km (20 miles) from Ardmore (c. 24 300 pop), 53 km (33 miles) from Duncan (c. 23 400 pop), 43 km (27 miles) from Pauls Valley (c. 6 200 pop), 71 km (44 miles) from Purcell (c. 5 900 pop), 26 km (16 miles) from Lone Grove (c. 5 100 pop). Nearest cities/city/villages to epicentrum/hypocenter was Purcell, Duncan, Pauls Valley (min 5000 pop).

There are an estimated 1,300,000 minor earthquakes in the world each year. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage. In the past 24 hours, there have been 0, in the last 10 days three, in the past 30 days four and in the last 365 days eleven earthquakes of magnitude 3.0 or greater that was reported nearby.

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 12 km SE of Ratliff City, Oklahoma. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -97.39832306° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 34.37992477° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 5 km Depth of the event in kilometers.
Place 12 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 2021-03-04 02:50:51 Time when the event occurred. UTC/GMT
Updated 2021-03-04 02:55:13 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 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 ,ok, A comma-separated list of network contributors.
Number of Stations Used 65 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.06422537565 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.8940022612 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 85.40789032 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 ok2021ejmv Id of event.
Event Code 2021ejmv An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,ok2021ejmv, A comma-separated list of event ids that are associated to an event.

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