Magnitude 3.6 Earthquake of Enid, Oklahoma 2014-09-14

2014-09-14 12:01:02 UTC :Enid, Oklahoma EARTHQUAKE

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Magnitude : 3.6

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-09-14 12:01:02 UTC

1. 2014-09-14 07:01:02 UTC-05:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

36.614°N 97.948°W

Depth : Depth of starting Rupture 

2.9km (1.8mi)

Region : Enid, Oklahoma

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

a)  25km (16mi) NNW of Enid, Oklahoma

b)  77km (48mi) W of Ponca City, Oklahoma

c)   94km (58mi) NNW of Guthrie, Oklahoma

d)  95km (59mi) WSW of Arkansas City, Kansas

e)  133km (83mi) NNW of Oklahoma City, Oklahoma

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	3.6 mb_lg	± 0.04
Location	36.615°N, 97.948°W	--
Depth	2.9 km	± 7.5 km
Number of Phase Applied1	82
Minimum Distance2	12.6 km (0.11°)
Travel Time Residual3	0.76 sec
Azimuthal Gap4	19°

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)