Tuesday, August 26, 2014

Magnitude 4.6 Earthquake of San Pedro de Atacama, Chile 2014-08-26

2014-08-26 13:59:34 UTC :San Pedro de Atacama, Chile EARTHQUAKE

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Magnitude: 4.6


Event Time: Time and Date Starting of Earthquake Rupture 


  1. 2014-08-26 13:59:34 UTC

  1. 2014-08-26 09:59:34 UTC-04:00 at epicenter


Earthquake data:

Location : Position of Epicenter 

23.219°S 67.163°W

Depth : Depth of starting Rupture 

225.6km (140.2mi)


Region : San Pedro de Atacama, Chile


Magnitude 4.6 Earthquake of San Pedro de Atacama, Chile 2014-08-26




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

a)  113km (70mi) ESE of San Pedro de Atacama, Chile

b)  185km (115mi) W of Humahuaca, Argentina

c)  199km (124mi) ESE of Calama, Chile

d)  
203km (126mi) SW of La Quiaca, Argentina


e)  750km (466mi) S of La Paz, Bolivia

Location Uncertainty: 
Parameter
Value
Uncertainty
Magnitude
4.6 mb
± 0.27
Location
23.219°S, 67.163°W
--
Depth
225.6 km
± 11.6 km
Number of Phase Applied1
33

Minimum Distance2
191.6 km (1.72°)

Travel Time Residual3
0.51 sec

Azimuthal Gap4
96°

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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