Magnitude 3.8 Earthquake of Driggs, Idaho 2014-08-30

2014-08-30 20:09:14 UTC  : Driggs, Idaho EARTHQUAKE

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Magnitude: 3.8

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-08-30 20:09:14 UTC

1. 2014-08-30 14:09:14 UTC-06:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

1. 43.763°N 110.892°W

Depth : Depth of starting Rupture 

5.0km (3.1mi)

Region : Driggs, Idaho

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

 a)  18km (11mi) ENE of Driggs, Idaho

 b)   72km (45mi) E of Rexburg, Idaho

 c)  92km (57mi) ENE of Ammon, Idaho

1. 
   

 d)  97km (60mi) ENE of Idaho Falls, Idaho

1.  e)  327km (203mi) SSE of Helena, Montana

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	3.8 ml	± 0.05
Location	43.763°N, 110.892°W	--
Depth	5.0 km	± 2.0 km
Number of Phase Applied1	83
Minimum Distance2	15.4 km (0.14°)
Travel Time Residual3	0.94 sec
Azimuthal Gap4	29°

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)