Magnitude 4.6 Earthquake of Sesaot Lauq, Indonesia 2013 August 09

2013-08-09 09:10:43 UTC : Sesaot Lauq, Indonesia EARTHQUAKE

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Magnitude: 4.6

Event Time: Time and Date Starting of Earthquake Rupture 

2013-08-09 09:10:43 UTC


2013-08-09 17:10:43 UTC+08:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

8.521°S 116.241°E

Depth : Depth of starting Rupture 

186.5km (115.9mi)

Region : Sesaot Lauq, Indonesia

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

a) 2km (1mi) N of Sesaot Lauq, Indonesia

b) 15km (9mi) ENE of Mataram, Indonesia

c) 20km (12mi) N of Praya, Indonesia

d) 69km (43mi) E of Karangasem, Indonesia

e) 1027km (638mi) W of Dili, East Timor

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	4.6 mb	± 0.21
Location	8.521°S, 116.241°E	± 14.1 km
Depth	186.5 km	± 18.7 km
Number of Phase Applied1	26
Minimum Distance2	230.4 km (2.07°)
Travel Time Residual3	1.20 sec
Azimuthal Gap4	119°

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)