Magnitude 5.0 Earthquake of Luganville, Vanuatu 2014-08-31

2014-08-31 03:18:07 UTC :Luganville, Vanuatu EARTHQUAKE

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Magnitude : 5.0

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-08-31 03:18:07 UTC
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1. 2014-08-31 14:18:07 UTC+11:00 at epicenter

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Earthquake data:

Location : Position of Epicenter 

1. 15.280°S 167.381°E

Depth : Depth of starting Rupture 

146.0km (90.7mi)

Region : Luganville, Vanuatu

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

a)  36km (22mi) NE of Luganville, Vanuatu

b)  289km (180mi) NNW of Port-Vila, Vanuatu

c)  623km (387mi) N of We, New Caledonia

d)  766km (476mi) N of Dumbea, New Caledonia

e)  766km (476mi) N of Paita, New Caledonia

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	5.0 mb	± 0.07
Location	15.281°S, 167.381°E	--
Depth	146.0 km	± 4.9 km
Number of Phase Applied1	73
Minimum Distance2	758.3 km (6.81°)
Travel Time Residual3	0.64 sec
Azimuthal Gap4	56°

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)