Thursday, August 14, 2014

Magnitude 3.2 Earthquake of Medford, Oklahoma 2014-08-13

2014-08-13 15:44:28 UTC :Medford, Oklahoma EARTHQUAKE

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Magnitude: 3.2


Event Time: Time and Date Starting of Earthquake Rupture 


  1. 2014-08-13 15:44:28 UTC

  1. 2014-08-13 10:44:28 UTC-05:00 at epicenter


Earthquake data:

Location : Position of Epicenter 

36.611°N 97.659°W


Depth : Depth of starting Rupture 

4.2km (2.6mi)


Region : Medford, Oklahoma



Magnitude 3.2 Earthquake of Medford, Oklahoma 2014-08-13




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

a)  25km (16mi) W of Medford, Oklahoma

b)  46km (29mi) NNW of Enid, Oklahoma

c)  84km (52mi) W of Ponca City, Oklahoma

d)  
91km (57mi) WSW of Arkansas City, Kansas


e)  154km (96mi) NNW of Oklahoma City, Oklahoma

Location Uncertainty: 
Parameter
Value
Uncertainty
Magnitude
3.2 mb_lg
± 0.05
Location
36.611°N, 97.659°W--
Depth
4.2 km± 7.8 km
Number of Phase Applied1
27

Minimum Distance2
31.3 km (0.28°)

Travel Time Residual3
0.38 sec

Azimuthal Gap4
78°

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)

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