Magnitude 4.7 Earthquake of Putre, Chile 2014-08-26

2014-08-27 13:40:54 UTC :Putre, Chile EARTHQUAKE

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Magnitude: 4.7

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-08-27 13:40:54 UTC

1. 2014-08-27 09:40:54 UTC-04:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

17.954°S 69.542°W 

Depth : Depth of starting Rupture 

167.6km (104.1mi)

Region : Putre, Chile

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

a)  27km (17mi) N of Putre, Chile

b)  75km (47mi) E of Tacna, Peru

c)  99km (62mi) NE of Arica, Chile

d)  170km (106mi) ESE of Moquegua, Peru

e)  218km (135mi) SW of La Paz, Bolivia

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	4.7 mb	± 0.20
Location	17.955°S, 69.542°W	--
Depth	167.6 km	± 3.2 km
Number of Phase Applied1	32
Minimum Distance2	42.2 km (0.38°)
Travel Time Residual3	0.70 sec
Azimuthal Gap4	82°

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)