Magnitude 3.4 Earthquake of Medford, Oklahoma 2014-10-14

2014-10-14 06:26:19 UTC :Medford, Oklahoma EARTHQUAKE

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Magnitude : 3.4

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-10-14 06:26:19 UTC

1. 2014-10-14 01:26:19 UTC-05:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

36.629°N 97.876°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)  23km (14mi) SSW of Medford, Oklahoma

b)  25km (16mi) N of Enid, Oklahoma

c)  71km (44mi) W of Ponca City, Oklahoma

d)  88km (55mi) WSW of Arkansas City, Kansas

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

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	3.4 mb_lg	± 0.06
Location	36.629°N, 97.876°W	--
Depth	5.0 km	± 2.0 km
Number of Phase Applied1	55
Minimum Distance2	16.8 km (0.15°)
Travel Time Residual3	0.56 sec
Azimuthal Gap4	23°

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)