Magnitude 4.8 Earthquake of Palpa, Peru 2014-09-07

2014-09-07 15:11:45 UTC : Palpa, Peru EARTHQUAKE

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Magnitude: 4.8

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-09-07 15:11:45 UTC

1. 2014-09-07 10:11:45 UTC-05:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

14.688°S 75.195°W

Depth : Depth of starting Rupture 

65.9km (40.9mi)

Region : Palpa, Peru

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

a)  17km (11mi) S of Palpa, Peru

b)  30km (19mi) WNW of Nazca, Peru

c)  58km (36mi) N of Minas de Marcona, Peru

d)  78km (48mi) SE of Santiago, Peru

e)  353km (219mi) SE of Lima, Peru

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	4.8 mb	± 0.10
Location	14.688°S, 75.195°W	--
Depth	65.9 km	± 6.8 km
Number of Phase Applied1	67
Minimum Distance2	348.1 km (3.13°)
Travel Time Residual3	0.61 sec
Azimuthal Gap4	150°

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)