Magnitude 5.8 Earthquake of Port-Olry, Vanuatu 2014-08-27

2014-08-27 23:11:35 UTC :Port-Olry, Vanuatu EARTHQUAKE

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Magnitude: 5.8

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-08-27 23:11:35 UTC
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1. 2014-08-28 10:11:35 UTC+11:00 at epicenter

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Earthquake data:

Location : Position of Epicenter 

1. 15.105°S 167.326°E

Depth : Depth of starting Rupture 

118.7km (73.7mi)

Region : Port-Olry, Vanuatu

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

a)  30km (19mi) ESE of Port-Olry, Vanuatu

b)  50km (31mi) NNE of Luganville, Vanuatu

c)  309km (192mi) NNW of Port-Vila, Vanuatu

d)  643km (400mi) N of We, New Caledonia

e)  784km (487mi) N of Paita, New Caledonia

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	5.8 mb	± 0.05
Location	15.105°S, 167.326°E	± 0.2 km
Depth	118.7 km	± 4.9 km
Number of Phase Applied1	97
Minimum Distance2	40.1 km (0.36°)
Travel Time Residual3	1.14 sec
Azimuthal Gap4	32°

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)