Magnitude 4.8 Earthquake of Port Blair, India 2013 November 03

2013-11-03 06:54:06 UTC: Port Blair, India EARTHQUAKE

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Magnitude: 4.8

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2013-11-03 06:54:06 UTC

1. 2013-11-03 12:54:06 UTC+06:00 at epicenter
2. 
   

Earthquake data:

Location : Position of Epicenter 

10.514°N 92.808°E

Depth : Depth of starting Rupture 

46.9km (29.1mi)

Region : Port Blair, India

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

a) 127km (79mi) S of Port Blair, India

b) 581km (361mi) NNW of Sabang, Indonesia

c) 614km (382mi) NNW of Banda Aceh, Indonesia

d) 641km (398mi) W of Ranong, Thailand

e) 912km (567mi) WSW of Bangkok, Thailand

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	4.8 mb	± 0.08
Location	10.514°N, 92.808°E	--
Depth	46.9 km	± 6.0 km
Number of Phase Applied1	89
Minimum Distance2	126.5 km (1.14°)
Travel Time Residual3	0.82 sec
Azimuthal Gap4	53°

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)