Monday, August 18, 2014

Magnitude 4.7 Earthquake of Xiluodu, China 2014-08-17

2014-08-17 09:11:45 UTC :Xiluodu, China EARTHQUAKE

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Magnitude: 4.7


Event Time: Time and Date Starting of Earthquake Rupture 


  1. 2014-08-17 09:11:45 UTC

  1. 2014-08-17 17:11:45 UTC+08:00 at epicenter


Earthquake data:

Location : Position of Epicenter 

28.151°N 103.703°E


Depth : Depth of starting Rupture 

10.0km (6.2mi)


Region : Xiluodu, China



Magnitude 4.7 Earthquake of Xiluodu, China 2014-08-17




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

a) 13km (8mi) ESE of Xiluodu, China

b)  92km (57mi) N of Zhaotong, China

c)  104km (65mi) WSW of Xunchang, China

d)  
113km (70mi) SW of Yibin, China


e)  818km (508mi) NNW of Ha Noi, Vietnam


Location Uncertainty: 
Parameter
Value
Uncertainty
Magnitude
4.7 mb
± 0.07
Location
28.151°N, 103.703°E
--
Depth
10.0 km
± 1.9 km
Number of Phase Applied1
77

Minimum Distance2
756.7 km (6.80°)

Travel Time Residual3
1.47 sec

Azimuthal Gap4
47°

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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