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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake 4 mag, 6 km WNW of Medford, Oklahoma


Earthquake location 36.8266S, -97.8016WA light earthquake with magnitude 4 (ml/mb) was detected on Friday, 6 kilometers (4 miles) from Medford in Oklahoma. Exact location of event, longitude -97.8016 West, latitude 36.8266 North, depth = 2.15 km. Date and time of earthquake in UTC/GMT: 14/08/15 / 2015-08-14 21:25:41 / August 14, 2015 @ 9:25 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event ids that are associated to the earthquake: us100032ei. Id of event: us100032ei. The earthquake occurred at a depth of 2.15 km (1 miles). The 4-magnitude earthquake was detected at 16:25:41 / 4:25 pm (local time epicenter).

Closest city/cities/towns to epicentrum/hypocenter was Mulvane, Winfield, Perry (min 5000 pop). Close country/countries that might be effected, United States (c. 310 233 000 pop). Epicenter of the earthquake was 48 km (30 miles) from Enid (c. 49 400 pop), 65 km (40 miles) from Ponca City (c. 25 400 pop), 73 km (45 miles) from Arkansas City (c. 12 400 pop), 85 km (53 miles) from Winfield (c. 12 300 pop), 62 km (38 miles) from Wellington (c. 8 200 pop), 46 km (29 miles) from Blackwell (c. 7 100 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light quakes in the world each year. In the past 24 hours, there have been one, in the last 10 days eighteen, in the past 30 days fifty-one and in the last 365 days six hundred and nineteen earthquakes of magnitude 3.0 or greater that have been detected in the same area.

How would you describe the shaking?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 6 km WNW of Medford, Oklahoma.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -97.8016° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.8266° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 2.15 km Depth of the event in kilometers.
Place 6km WNW of Medford, Oklahoma Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-08-14 21:25:41 Time when the event occurred. UTC/GMT
Updated 2015-08-14 21:42:14 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 Timezone offset from UTC in minutes at the event epicenter.
Felt 48 The total number of felt reports
CDI 4.1 The maximum reported intensity for the event.
MMI 4.67 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 266 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 0.052 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 28 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us100032ei Id of event.
Event Code 100032ei An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us100032ei, A comma-separated list of event ids that are associated to an event.

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