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Minor earthquake, 2.9 mag was detected near Spencer in Oklahoma

Earthquake location 35.5297S, -97.3295WA minor earthquake with magnitude 2.9 (ml/mb) was detected on Friday, 4 kilometers (2 miles) from Spencer in Oklahoma. The 2.9-magnitude earthquake has occurred at 22:34:05 / 10:34 pm (local time epicenter). Exact location of earthquake, longitude -97.3295 West, latitude 35.5297 North, depth = 5 km. All ids that are associated to the event: us10005cn1. Unique identifier: us10005cn1. The epicenter of the earthquake was roughly 5 km (3 miles) below the earth’s surface. Global time and date of event 30/04/16 / 2016-04-30 03:34:05 / April 30, 2016 @ 3:34 am UTC/GMT.

Epicenter of the event was 18 km (11 miles) from Oklahoma City (c. 580 000 pop), 36 km (22 miles) from Norman (c. 110 900 pop), 19 km (12 miles) from Edmond (c. 81 400 pop), 25 km (16 miles) from Moore (c. 55 100 pop), 11 km (7 miles) from Midwest City (c. 54 400 pop). Nearby country/countries that might be effected, United States (c. 310 233 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Chickasha, Cushing, Stillwater (min 5000 pop).

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

Did you feel anything?

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. 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: 4 km E of Spencer, Oklahoma.

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More information

Parameter Value Description
Magnitude 2.9 mb The magnitude for the event.
Longitude -97.3295° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 35.5297° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 5 km Depth of the event in kilometers.
Place 4km E of Spencer, Oklahoma Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-04-30 03:34:05 Time when the event occurred. UTC/GMT
Updated 2016-04-30 03:55:33 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 Timezone offset from UTC in minutes at the event epicenter.
Felt 23 The total number of felt reports
CDI 4.9 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 141 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 0.051 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.48 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 56 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 us10005cn1 Id of event.
Event Code 10005cn1 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10005cn1, A comma-separated list of event ids that are associated to an event.

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