Magnitude 4.5 Earthquake of Sinabang, Indonesia 2013 May 28

2013-05-28 14:24:55 UTC : Sinabang, Indonesia EARTHQUAKE

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Magnitude: 4.5

Event Time: Time and Date Starting of Earthquake Rupture 

2013-05-28 14:24:55 UTC

2013-05-28 20:24:55 UTC+06:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

2.614°N 95.552°E

Depth : Depth of starting Rupture 

25.1km (15.6mi)

Region : Sinabang, Indonesia

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

a) 93km (58mi) W of Sinabang, Indonesia

b) 180km (112mi) SSW of Meulaboh, Indonesia

c) 299km (186mi) SSW of Reuleuet, Indonesia

d) 309km (192mi) S of Sigli, Indonesia

e) 684km (425mi) W of Kuala Lumpur, Malaysia

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	4.5 mb	± 0.14
Location	2.614°N, 95.552°E	± 31.9 km
Depth	25.1 km	± 9.0 km
Number of Phase Applied1	24
Minimum Distance2	267.2 km (2.40°)
Travel Time Residual3	0.73 sec
Azimuthal Gap4	199°°

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)