Magnitude 6.1 Earthquake of Iquique, Chile 2014-07-13

2014-07-13 20:54:14 UTC : Iquique, Chile EARTHQUAKE

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Magnitude: 6.1

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-07-13 20:54:14 UTC

1. 2014-07-13 16:54:14 UTC-04:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

20.245°S 70.357°W

Depth : Depth of starting Rupture 

35.7km (22.2mi)

Region : Iquique, Chile

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

a)  22km (14mi) W of Iquique, Chile

b)  195km (121mi) S of Arica, Chile

c)  205km (127mi) N of Tocopilla, Chile

d)  248km (154mi) S of Tacna, Peru

e)  475km (295mi) SSW of La Paz, Bolivia

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	6.1 mwp	± 0.04
Location	20.245°S, 70.357°W	--
Depth	35.7 km	± 5.8 km
Number of Phase Applied1	85
Minimum Distance2	40.0 km (0.36°)
Travel Time Residual3	1.27 sec
Azimuthal Gap4	132°

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)