Magnitude 3.2 Earthquake of Perry, Oklahoma 2014-08-25

2014-08-25 21:41:07 UTC :Perry, Oklahoma EARTHQUAKE

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Magnitude: 3.2

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-08-25 21:41:07 UTC

1. 2014-08-25 16:41:07 UTC-05:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

36.141°N 97.316°W

Depth : Depth of starting Rupture 

1.3km (0.8mi)

Region : Perry, Oklahoma

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

a)  16km (10mi) S of Perry, Oklahoma

b)  23km (14mi) W of Stillwater, Oklahoma

c)  30km (19mi) NNE of Guthrie, Oklahoma

d)  56km (35mi) NNE of Edmond, Oklahoma

e)  76km (47mi) NNE of Oklahoma City, Oklahoma

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	3.2 mb_lg	± 0.06
Location	36.141°N, 97.316°W	--
Depth	1.3 km	± 7.9 km
Number of Phase Applied1	36
Minimum Distance2	40.2 km (0.36°)
Travel Time Residual3	0.45 sec
Azimuthal Gap4	59°

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)