Magnitude 3.1 Earthquake of Jones, Oklahoma 2014-08-31

2014-08-31 18:49:01 UTC :Jones, Oklahoma EARTHQUAKE

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Magnitude: 3.1

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-08-31 18:49:01 UTC

1. 2014-08-31 13:49:01 UTC-05:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

35.601°N 97.276°W

Depth : Depth of starting Rupture 

5.0km (3.1mi)

Region : Jones, Oklahoma

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

a)  4km (2mi) NNE of Jones, Oklahoma

b)  11km (7mi) N of Choctaw, Oklahoma

c)  19km (12mi) ESE of Edmond, Oklahoma

d)  20km (12mi) NNE of Midwest City, Oklahoma

e)  26km (16mi) NE of Oklahoma City, Oklahoma

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	3.1 mb_lg	± 0.05
Location	35.601°N, 97.276°W	--
Depth	5.0 km	± 2.0 km
Number of Phase Applied1	39
Minimum Distance2	4.6 km (0.04°)
Travel Time Residual3	0.79 sec
Azimuthal Gap4	36°

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)