Monday, September 8, 2014

Magnitude 4.5 Earthquake of Taltal, Chile 2014-09-07

2014-09-07 14:31:45 UTC : Taltal, Chile EARTHQUAKE

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Magnitude: 4.5

Event Time: Time and Date Starting of Earthquake Rupture 

  1. 2014-09-07 14:31:45 UTC

  1. 2014-09-07 11:31:45 UTC-03:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

25.231°S 69.260°W

Depth : Depth of starting Rupture 

109.6km (68.1mi)

Region : Taltal, Chile

Magnitude 4.5 Earthquake of Taltal, Chile 2014-09-07

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

a)  124km (77mi) E of Taltal, Chile

b)  148km (92mi) NNE of Diego de Almagro, Chile

c)  209km (130mi) SSE of Antofagasta, Chile

259km (161mi) NNE of Copiapo, Chile

e)  921km (572mi) N of Santiago, Chile

Location Uncertainty: 
4.5 mb
± 0.38
25.231°S, 69.260°W
109.6 km
± 8.6 km
Number of Phase Applied1

Minimum Distance2
34.1 km (0.31°)

Travel Time Residual3
0.96 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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