Magnitude 4.6 Earthquake of Yurimaguas, Peru 2013 July 12

2013-07-06 05:05:06 UTC : Yurimaguas, Peru EARTHQUAKE

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Magnitude: 4.6

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2013-07-12 10:29:42 UTC

1. 2013-07-12 05:29:42 UTC-05:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

5.993°S 75.248°W

Depth : Depth of starting Rupture 

35.0km (21.8mi)

Region : Yurimaguas, Peru

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

a) 93km (58mi) E of Yurimaguas, Peru

b) 149km (93mi) ENE of Lamas, Peru

c) 150km (93mi) N of Contamana, Peru

d) 163km (101mi) ENE of Tabalosos, Peru

e) 697km (433mi) NNE of Lima, Peru

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	4.6 mb	± 0.10
Location	5.993°S, 75.248°W	± 41.4 km
Depth	35.0 km	± 9.9 km
Number of Phase Applied1	36
Minimum Distance2	685.7 km (6.16°)
Travel Time Residual3	0.72 sec
Azimuthal Gap4	127°

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)