Magnitude 3.2 Earthquake of Perry, Oklahoma 2014-10-14

2014-10-14 18:28:33 UTC :Perry, Oklahoma EARTHQUAKE

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Magnitude : 3.2

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-10-14 18:28:33 UTC

1. 2014-10-14 13:28:33 UTC-05:00 at epicenter
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Earthquake data:

Location : Position of Epicenter 

36.348°N 97.091°W

Depth : Depth of starting Rupture 

2.0km (1.2mi)

Region : Perry, Oklahoma

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

a)  18km (11mi) ENE of Perry, Oklahoma

b)  25km (16mi) N of Stillwater, Oklahoma

c)  39km (24mi) S of Ponca City, Oklahoma

d)  60km (37mi) NNE of Guthrie, Oklahoma

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e)  105km (65mi) NNE of Oklahoma City, Oklahoma

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	3.2 mb_lg	± 0.06
Location	36.348°N, 97.091°W	--
Depth	2.0 km	± 4.6 km
Number of Phase Applied1	29
Minimum Distance2	39.6 km (0.36°)
Travel Time Residual3	0.22 sec
Azimuthal Gap4	64°

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)