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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.4 mag has occurred near Medford in Oklahoma

Earthquake location 36.7069S, -97.9059WA light earthquake with magnitude 4.4 (ml/mb) was detected on Saturday, 18 kilometers (11 miles) from Medford in Oklahoma. Exact time and date of event in UTC/GMT: 10/10/15 / 2015-10-10 09:20:43 / October 10, 2015 @ 9:20 am. The 4.4-magnitude earthquake was detected at 04:20:43 / 4:20 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Unique identifier: us10003mnu. Ids that are associated to the event: us10003mnu. The epicenter was at a depth of 6.43 km (4 miles). Exact location of earthquake, -97.9059° West, 36.7069° North, depth 6.43 km.

Nearest cities/city/villages to epicentrum/hypocenter was Arkansas City, Wellington, Ponca City (min 5000 pop). Earthquake epicenter was 35 km (22 miles) from Enid (c. 49 400 pop), 73 km (45 miles) from Ponca City (c. 25 400 pop), 87 km (54 miles) from Arkansas City (c. 12 400 pop), 78 km (49 miles) from Wellington (c. 8 200 pop), 57 km (35 miles) from Blackwell (c. 7 100 pop), 72 km (45 miles) from Perry (c. 5 100 pop). Nearby country/countries, United States (c. 310 233 000 pop) (That might be effected).

In the past 24 hours, there have been five, in the last 10 days thirteen, in the past 30 days fourty and in the last 365 days six hundred and fifty-six earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light earthquakes in the world.

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 18 km SW of Medford, Oklahoma.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude -97.9059° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.7069° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 6.43 km Depth of the event in kilometers.
Place 18km SW 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 2015-10-10 09:20:43 Time when the event occurred. UTC/GMT
Updated 2015-10-10 09:49:17 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 Timezone offset from UTC in minutes at the event epicenter.
Felt 406 The total number of felt reports
CDI 4.1 The maximum reported intensity for the event.
MMI 5.38 The maximum estimated instrumental intensity for the event.
Alert Level green 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 464 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 0.085 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.29 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 53 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mwr The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us10003mnu Id of event.
Event Code 10003mnu An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10003mnu, A comma-separated list of event ids that are associated to an event.


  1. Lynne

    This light earthquake shook our home in midtown Tulsa.

  2. Jenny

    Woke me up!!!

  3. RJ

    First heard it make the house roof and ceiling squeak for a minute and felt the bed I was sleeping in jiggle and rock some here in city of Garden Plain about 12 miles west of Wichita, Kansas.

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