Monday, September 8, 2014

Magnitude 2.6 Earthquake of Helena, Oklahoma 2014-09-07

2014-09-07 18:15:32 UTC :Helena, Oklahoma EARTHQUAKE

earthquake monitor,Oklahoma earthquake, earthquake realtime

Magnitude : 2.6

Event Time: Time and Date Starting of Earthquake Rupture 

  1. 2014-09-07 18:15:32 UTC

  1. 2014-09-07 13:15:32 UTC-05:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

36.554°N 98.389°W

Depth : Depth of starting Rupture 

9.4km (5.8mi)

Region : Helena, Oklahoma

Magnitude 2.6 Earthquake of Helena, Oklahoma 2014-09-07

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

a)  10km (6mi) W of Helena, Oklahoma

b)  49km (30mi) WNW of Enid, Oklahoma

c)  90km (56mi) E of Woodward, Oklahoma

114km (71mi) NW of Guthrie, Oklahoma

e)  143km (89mi) NNW of Oklahoma City, Oklahoma

Location Uncertainty: 
2.6 mb_lg
± 0.08
36.554°N, 98.389°W--
9.4 km
± 7.1 km
Number of Phase Applied1

Minimum Distance2
36.7 km (0.33°)

Travel Time Residual3
0.69 sec

Azimuthal Gap4

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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