Magnitude 2.8 Earthquake of Yale, Oklahoma 2014-09-16

2014-09-16 13:49:15 UTC :Yale, Oklahoma EARTHQUAKE

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Magnitude: 2.8

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-09-16 13:49:15 UTC

1. 2014-09-16 08:49:15 UTC-05:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

36.146°N 96.805°W

Depth : Depth of starting Rupture 

7.3km (4.5mi)

Region : Yale, Oklahoma

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

a)  10km (6mi) WNW of Yale, Oklahoma

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

c)  62km (39mi) W of Sand Springs, Oklahoma

d)  63km (39mi) ENE of Guthrie, Oklahoma

e)  98km (61mi) NE of Oklahoma City, Oklahoma

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	2.8 ml	--
Location	36.146°N, 96.805°W	--
Depth	7.3 km	± 6.3 km
Number of Phase Applied1	0
Minimum Distance2	--
Travel Time Residual3	0.50 sec
Azimuthal Gap4	55°

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)