Magnitude 5.3 Earthquake of Kepulauan Barat Daya, Indonesia 2014-08-28

2014-08-28 06:23:09 UTC : Kepulauan Barat Daya, Indonesia EARTHQUAKE

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Magnitude: 5.3

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-08-28 06:23:09 UTC
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1. 2014-08-28 15:23:09 UTC+09:00 at epicenter

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Earthquake data:

Location : Position of Epicenter 

7.451°S 128.472°E

Depth : Depth of starting Rupture

121.5km (75.5mi)

Region : Kepulauan Barat Daya, Indonesia

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

a)  318km (198mi) W of Saumlaki, Indonesia

b)  342km (213mi) ENE of Dili, East Timor

c)  416km (258mi) S of Ambon, Indonesia

d)  434km (270mi) ENE of Atambua, Indonesia

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e)  458km (285mi) S of Amahai, Indonesia

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	5.3 mb	± 0.06
Location	7.451°S, 128.472°E	--
Depth	121.5 km	± 3.5 km
Number of Phase Applied1	249
Minimum Distance2	663.8 km (5.96°)
Travel Time Residual3	0.88 sec
Azimuthal Gap4	64°

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)