Magnitude 3.4 Earthquake of Edmond, Oklahoma 2014-10-13

2014-10-13 12:24:54 UTC :Edmond, Oklahoma EARTHQUAKE

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Magnitude : 3.4

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-10-13 12:24:54 UTC

1. 2014-10-13 07:24:54 UTC-05:00 at epicenter
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Earthquake data:

Location : Position of Epicenter 

35.755°N 97.498°W

Depth : Depth of starting Rupture 

7.4km (4.6mi)

Region : Edmond, Oklahoma

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

a)  11km (7mi) N of Edmond, Oklahoma

b)  15km (9mi) SSW of Guthrie, Oklahoma

c)  28km (17mi) NNE of Bethany, Oklahoma

d)  28km (17mi) NNE of Warr Acres, Oklahoma

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e)  31km (19mi) N of Oklahoma City, Oklahoma

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	3.4 mb_lg	± 0.05
Location	35.755°N, 97.498°W	--
Depth	7.4 km	± 7.1 km
Number of Phase Applied1	78
Minimum Distance2	6.0 km (0.05°)
Travel Time Residual3	0.52 sec
Azimuthal Gap4	29°

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)