Magnitude 5.1 Earthquake of Xiluodu, China 2014-08-16

2014-08-16 22:07:59 UTC :Xiluodu, China EARTHQUAKE

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Magnitude: 5.1

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-08-16 22:07:59 UTC

1. 2014-08-17 06:07:59 UTC+08:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

28.182°N 103.570°E

Depth : Depth of starting Rupture 

10.0km (6.2mi)

Region : Xiluodu, China

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

a)  2km (1mi) SSW of Xiluodu, China

b)  96km (60mi) N of Zhaotong, China

c)  116km (72mi) WSW of Xunchang, China

d)  121km (75mi) WSW of Yibin, China

e)  825km (513mi) NNW of Ha Noi, Vietnam

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	5.1 mb	± 0.05
Location	28.182°N, 103.570°E
Depth	10.0 km	± 1.8 km
Number of Phase Applied1	80
Minimum Distance2	760.6 km (6.83°)
Travel Time Residual3	0.72 sec
Azimuthal Gap4	39°

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)