Friday, May 29, 2015

Magnitude 4.6 Earthquake of San Antonio de los Cobres, Argentina 2015-05-29

2015-05-29 02:52:53 (UTC) : West of San Antonio de los Cobres, Argentina

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Magnitude : 4.6

Event Time: Time and Date Starting of Earthquake Rupture 
  • 2015-05-29 02:52:53 (UTC)
Earthquake data:

Location : Position of Epicenter 

24.201°S 67.029°W

Depth : Depth of starting Rupture 

165.3 km

Region : San Antonio de los Cobres, Argentina
Magnitude 4.6 Earthquake of San Antonio de los Cobres, Argentina 2015-05-29

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

a) 72km (45mi) W of San Antonio de los Cobres, Argentina

b) 176km (109mi) WNW of Salta, Argentina

c) 176km (109mi) W of San Salvador de Jujuy, Argentina

d) 184km (114mi) W of Palpala, Argentina

e) 860km (534mi) S of La Paz, Bolivia

Location Uncertainty: 
Parameter
Value
Uncertainty
Magnitude
4.6 mb
± 0.0
Location
24.201°S 67.029°W
± 7.8 km
Depth
165.3 km
± 7.0
Number of Phase Applied1
74

Minimum Distance2
260.71 km (2.34°)

Travel Time Residual3
1.33 sec

Azimuthal Gap4
55°

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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