Magnitude 4.6 Earthquake of Nanganumba, Indonesia 2014-08-30

2014-08-30 14:27:31 UTC : Nanganumba, Indonesia EARTHQUAKE

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Magnitude: 4.6

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-08-30 14:27:31 UTC
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1. 2014-08-30 22:27:31 UTC+08:00 at epicenter

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Earthquake data:

Location : Position of Epicenter 

7.710°S 121.507°E

Depth : Depth of starting Rupture

303.9km (188.8mi)

Region : Nanganumba, Indonesia

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

a)  89km (55mi) NNE of Nanganumba, Indonesia

b)  126km (78mi) N of Ende, Indonesia

c)  127km (79mi) NW of Maumere, Indonesia

d)  151km (94mi) NE of Ruteng, Indonesia

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e)  457km (284mi) WNW of Dili, East Timor

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	4.6 mb	± 0.10
Location	7.710°S, 121.507°E	--
Depth	303.9 km	± 5.8 km
Number of Phase Applied1	83
Minimum Distance2	130.2 km (1.17°)
Travel Time Residual3	1.12 sec
Azimuthal Gap4	71°

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)