Saturday, December 7, 2013

Magnitude 5.0 Earthquake of San Antonio, Chile 2013 December 07

2013-12-07 09:23:50 UTC : San Antonio, Chile EARTHQUAKE

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Magnitude: 5.0

Event Time: Time and Date Starting of Earthquake Rupture 

  1. 2013-12-07 09:23:50 UTC

  1. 2013-12-07 04:23:50 UTC-05:00 at epicenter


Earthquake data:

Location : Position of Epicenter 

33.855°S 72.212°W

Depth : Depth of starting Rupture 

9.7km (6.0mi)


Region : San Antonio, Chile
san antonio, chile earthquake 2013 December 07

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

a) 61km (38mi) WSW of San Antonio, Chile

b) 65km (40mi) WSW of Cartagena, Chile

c) 93km (58mi) W of Melipilla, Chile

d) 
105km (65mi) SSW of Valparaiso, Chile


e) 151km (94mi) WSW of Santiago, Chile

Location Uncertainty: 
Parameter
Value
Uncertainty
Magnitude
5.0 mb
± 0.05
Location
33.855°S, 72.212°W
--
Depth
9.7 km
± 2.5 km
Number of Phase Applied1
192

Minimum Distance2
130.8 km (1.18°)

Travel Time Residual3
1.17 sec

Azimuthal Gap4
149°

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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