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Minor earthquake, 2.8 mag strikes near Mooreland in Oklahoma


Earthquake location 36.5328S, -98.971WA minor earthquake magnitude 2.8 (ml/mb) has occurred on Wednesday, 23 kilometers (14 miles) from Mooreland in Oklahoma. The earthquake was roughly at a depth of 5 km (3 miles). Unique identifier: us2000as7q. Ids that are associated to the event: us2000as7q. The temblor was picked up at 17:54:54 / 5:54 pm (local time epicenter). Exact time and date of earthquake 20/09/17 / 2017-09-20 23:54:54 / September 20, 2017 @ 11:54 pm UTC/GMT. Exact location of event, longitude -98.971 West, latitude 36.5328 North, depth = 5 km.

Epicenter of the earthquake was 39 km (24 miles) from Woodward (c. 12 100 pop). Nearby country/countries that might be effected, United States (c. 310 233 000 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Woodward.

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

Questions or comments?

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: 23 km ENE of Mooreland, Oklahoma.

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More information

Parameter Value Description
Magnitude 2.8 mb The magnitude for the event.
Longitude -98.971° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.5328° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 5 km Depth of the event in kilometers.
Place 23km ENE of Mooreland, Oklahoma Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-09-20 23:54:54 Time when the event occurred. UTC/GMT
Updated 2017-10-20 01:12:25 Time when the event was most recently updated. UTC/GMT
Timezone offset -360 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 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 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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.2 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 78 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 us2000as7q Id of event.
Event Code 2000as7q An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000as7q, A comma-separated list of event ids that are associated to an event.

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