Magnitude 4.4 Earthquake of Java, Indonesia 2013 May 16

2013-05-16 16:26:55 UTC : Java, Indonesia EARTHQUAKE

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Magnitude: 4.4

Event Time: Time and Date Starting of Earthquake Rupture 

2013-05-16 16:26:55 UTC

2013-05-17 00:26:55 UTC+08:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

11.601°S 113.644°E

Depth : Depth of starting Rupture 

4.9km (3.1mi)

Region : Java, Indonesia

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

a) 337km (209mi) S of Sidorukun, Indonesia

b) 358km (222mi) SSW of Muncar, Indonesia

c) 358km (222mi) S of Gambiran Satu, Indonesia

d) 359km (223mi) SSW of Kuta, Indonesia

e) 955km (593mi) SE of Jakarta, Indonesia

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	4.4 mb	± 0.16
Location	11.601°S, 113.644°E	± 21.4 km
Depth	4.9 km	± 9.6 km
Number of Phase Applied1	37
Minimum Distance2	350.7 km (3.15°)
Travel Time Residual3	1.48 sec
Azimuthal Gap4	96°

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)