Magnitude-4.1 earthquake strikes near Pawnee, Oklahoma

A light earthquake magnitude 4.1 (mg/mb) was reported Thursday, 22 kilometers (14 miles) from Medford in Oklahoma. The temblor was reported at 15:34:02 / 3:34 pm (local time epicenter) at a depth of 5.13 km (3 miles). Global time of event 12/03/15 / 2015-03-12 20:34:02 / March 12, 2015 @ 8:34 pm UTC/GMT. A tsunami warning has not been issued, according to the U.S. Geological Survey. Exact location of event, longitude -97.6732 West, latitude 36.6107 North, depth 5.13 km, unique identifier, us10001lyg…. 

22km SSE of Medford, Oklahoma

More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -97.6732° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.6107° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 5.13 km Depth of the event in kilometers.
Place 22km SSE 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 2015-03-12 20:34:02 Time when the event occurred. UTC/GMT
Updated 2015-03-12 20:58:12 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 Timezone offset from UTC in minutes at the event epicenter.
Felt 7 The total number of felt reports
CDI 3.3 The maximum reported intensity for the event.
MMI 4.82 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 261 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 0.271 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 24 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 us10001lyg Id of event.
Event Code 10001lyg An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10001lyg, A comma-separated list of event ids that are associated to an event.
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