Magnitude 3.0 Earthquake of Anthony, Kansas 2014-10-21

2014-10-21 11:55:44 UTC : Anthony, Kansas EARTHQUAKE

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Magnitude: 3.0

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-10-21 11:55:44 UTC
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1. 2014-10-21 06:55:44 UTC-05:00 at epicenter

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Earthquake data:

Location : Position of Epicenter 

37.045°N 97.890°W

Depth : Depth of starting Rupture 

7.6km (4.7mi)

Region : Anthony, Kansas

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

a)  17km (11mi) SE of Anthony, Kansas

b)  72km (45mi) N of Enid, Oklahoma

c)  74km (46mi) SW of Haysville, Kansas

d)  75km (47mi) W of Arkansas City, Kansas

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e)  178km (111mi) N of Oklahoma City, Oklahoma

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	3.0 mb_lg	± 0.07
Location	37.045°N, 97.890°W	--
Depth	7.6 km	± 6.2 km
Number of Phase Applied1	56
Minimum Distance2	7.1 km (0.06°)
Travel Time Residual3	0.78 sec
Azimuthal Gap4	45°

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)