Magnitude 4.6 Earthquake of Tual, Indonesia 2014-08-08

2014-08-08 09:24:41 UTC : Tual, Indonesia EARTHQUAKE

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Magnitude: 4.6

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-08-08 09:24:41 UTC
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1. 2014-08-08 18:24:41 UTC+09:00 at epicenter

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Earthquake data:

Location : Position of Epicenter 

5.925°S 130.758°E 

Depth : Depth of starting Rupture 

10.0km (6.2mi)

Region : Tual, Indonesia

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

a)  222km (138mi) W of Tual, Indonesia

b)  352km (219mi) SE of Amahai, Indonesia

c)  377km (234mi) SE of Ambon, Indonesia

d)  560km (348mi) S of Sorong, Indonesia

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e)  642km (399mi) ENE of Dili, East Timor

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	4.6 mb	± 0.13
Location	5.925°S, 130.758°E	--
Depth	10.0 km	± 1.5 km
Number of Phase Applied1	38
Minimum Distance2	371.2 km (3.34°)
Travel Time Residual3	1.27 sec
Azimuthal Gap4	76°

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)