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Minor earthquake: M2.8 quake has struck near Blanchard in Oklahoma

Earthquake location 35.0567S, -97.576WA minor earthquake magnitude 2.8 (ml/mb) has struck on Thursday, 11 kilometers (7 miles) from Blanchard in Oklahoma. Exact location of event, longitude -97.576 West, latitude 35.0567 North, depth = 7.24 km. The 2.8-magnitude earthquake was detected at 15:42:44 / 3:42 pm (local time epicenter). Event id: us1000g29b. Ids that are associated to the earthquake: us1000g29b. Exact time and date of earthquake 02/08/18 / 2018-08-02 21:42:44 / August 2, 2018 @ 9:42 pm UTC/GMT. The earthquake occurred at a depth of 7.24 km (4 miles).

Nearest cities/city/towns to hypocenter/epicentrum was Duncan, Piedmont, Edmond (min 5000 pop). Close country/countries that might be effected, United States (c. 310 233 000 pop). Epicenter of the event was 46 km (29 miles) from Oklahoma City (c. 580 000 pop), 22 km (14 miles) from Norman (c. 110 900 pop), 67 km (42 miles) from Edmond (c. 81 400 pop), 32 km (20 miles) from Moore (c. 55 100 pop), 47 km (29 miles) from Midwest City (c. 54 400 pop).

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 fourty-three earthquakes of magnitude 3.0 or greater that have been detected nearby. Each year there are an estimated 1,300,000 minor earthquakes in the world. Earthquakes 2.5 to 2.9 are often felt, but only causes minor damage.

How would you describe the shaking?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 11 km SE of Blanchard, Oklahoma. This information 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 -97.576° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 35.0567° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 7.24 km Depth of the event in kilometers.
Place 11km SE of Blanchard, Oklahoma Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-08-02 21:42:44 Time when the event occurred. UTC/GMT
Updated 2018-08-02 21:53:55 Time when the event was most recently updated. UTC/GMT
Timezone offset -360 Timezone offset from UTC in minutes at the event epicenter.
Felt 4 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 122 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 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.246 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.71 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 30 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 us1000g29b Id of event.
Event Code 1000g29b An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000g29b, A comma-separated list of event ids that are associated to an event.

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