Magnitude 4.6 Earthquake of Abepura, Indonesia 2014-09-29

2014-09-29 00:18:36 UTC : Abepura, Indonesia EARTHQUAKE

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Magnitude: 4.6

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-09-29 00:18:36 UTC
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1. 2014-09-29 09:18:36 UTC+09:00 at epicenter

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Earthquake data:

Location : Position of Epicenter 

2.840°S 139.204°E

Depth : Depth of starting Rupture

45.2km (28.1mi)

Region : Abepura, Indonesia

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

a)  155km (96mi) W of Abepura, Indonesia

b)  169km (105mi) WSW of Jayapura, Indonesia

c)  234km (145mi) W of Vanimo, Papua New Guinea

d)  417km (259mi) E of Nabire, Indonesia

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e)  1145km (711mi) NW of Port Moresby, Papua New Guinea

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	4.6 mb	± 0.08
Location	2.840°S, 139.204°E	--
Depth	45.2 km	± 7.4 km
Number of Phase Applied1	52
Minimum Distance2	773.3 km (6.95°)
Travel Time Residual3	0.85 sec
Azimuthal Gap4	99°

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)