Magnitude 3.0 Earthquake of Langston, Oklahoma 2014-10-25

2014-10-25 12:36:15UTC :Langston, Oklahoma EARTHQUAKE

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Magnitude: 3.0

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-10-25 12:36:15 UTC

1. 2014-10-25 07:36:15 UTC-05:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

35.869°N 97.302°W

Depth : Depth of starting Rupture 

5.0km (3.1mi)

Region : Langston, Oklahoma

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

a)  9km (6mi) SSW of Langston, Oklahoma

b)  11km (7mi) E of Guthrie, Oklahoma

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

d)  35km (22mi) SW of Stillwater, Oklahoma

e)  48km (30mi) NNE of Oklahoma City, Oklahoma

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	3.0 mb_lg	± 0.06
Location	35.869°N, 97.302°W	--
Depth	5.0 km	± 2.0 km
Number of Phase Applied1	33
Minimum Distance2	15.9 km (0.14°)
Travel Time Residual3	0.34 sec
Azimuthal Gap4	51°

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)