Magnitude 3.0 Earthquake of Medford, Oklahoma 2014-10-23

2014-10-23 07:06:03 UTC :Medford, Oklahoma EARTHQUAKE

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Magnitude : 3.0

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-10-23 07:06:03 UTC

1. 2014-10-23 02:06:03 UTC-05:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

36.650°N 97.721°W

Depth : Depth of starting Rupture 

5.0km (3.1mi)

Region : Medford, Oklahoma

Directions and Distances :Directions and Distances from Geographical Reference in Close Proximity Which can be effected by Location Uncertainty

a)  17km (11mi) S of Medford, Oklahoma

b)  31km (19mi) NNE of Enid, Oklahoma

c)  57km (35mi) W of Ponca City, Oklahoma

d)  76km (47mi) SW of Arkansas City, Kansas

e)  132km (82mi) N of Oklahoma City, Oklahoma

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	3.0 mb_lg	± 0.06
Location	36.650°N, 97.721°W	--
Depth	5.0 km	± 2.0 km
Number of Phase Applied1	52
Minimum Distance2	40.4 km (0.36°)
Travel Time Residual3	0.46 sec
Azimuthal Gap4	47°

¹Number of phase Applied: 

In determining location of hypocenter, applied number of observations on P waves and S waves. The greater the more accurate prediction of EQ.

²Minimum Distance:

 Horizontal distance of nearest Station measured in Km from epicenter. The smaller the more accuracy in prediction of depth of EQ.

³Travel Time Residual:

 A way of measurement of fit of arrival time observed to arrival time predicted for particular location. The smaller the better fit of data.

⁴Azimuthal Gap: 

Expressed in degree; the smaller the smaller the error in horizontal positioning of EQ. Large uncertainty is considered when exceeds 180° (both depth and location)