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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake 4 mag, 20 km NW of Medford, Oklahoma

Earthquake location 36.9405S, -97.8951WA light earthquake with magnitude 4 (ml/mb) was reported 20 kilometers (12 miles) from Medford in Oklahoma on Tuesday. The 4-magnitude earthquake has occurred at 20:15:37 / 8:15 pm (local time epicenter). Exact location of event, depth 4.16 km, -97.8951° West, 36.9405° North. The epicenter was at a depth of 4.16 km (3 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global time and date of event 09/11/16 / 2016-11-09 02:15:37 / November 9, 2016 @ 2:15 am UTC/GMT. Event ids that are associated to the earthquake: us100076ee. Id of event: us100076ee.

Epicenter of the earthquake was 61 km (38 miles) from Enid (c. 49 400 pop), 77 km (48 miles) from Ponca City (c. 25 400 pop), 87 km (54 miles) from Derby (c. 22 200 pop), 77 km (48 miles) from Arkansas City (c. 12 400 pop), 86 km (54 miles) from Winfield (c. 12 300 pop), 84 km (52 miles) from Haysville (c. 10 800 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Derby, Winfield, Haysville. Nearby country/countries that might be effected, United States (c. 310 233 000 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been two, in the last 10 days thirteen, in the past 30 days twenty-seven and in the last 365 days three hundred and sixty-nine earthquakes of magnitude 3.0 or greater that have been detected nearby. There are an estimated 13,000 light quakes in the world each year.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 20 km NW of Medford, Oklahoma. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -97.8951° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.9405° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 4.16 km Depth of the event in kilometers.
Place 20km NW 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 2016-11-09 02:15:37 Time when the event occurred. UTC/GMT
Updated 2016-11-09 02:36:17 Time when the event was most recently updated. UTC/GMT
Timezone offset -360 Timezone offset from UTC in minutes at the event epicenter.
Felt 13 The total number of felt reports
CDI 3.8 The maximum reported intensity for the event.
MMI 4.67 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 251 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 0.056 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.18 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 48 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 us100076ee Id of event.
Event Code 100076ee An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us100076ee, A comma-separated list of event ids that are associated to an event.

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