Magnitude 5.3 Earthquake of South of Africa 2013 May 16

2013-05-16 03:18:24 UTC : South of Africa EARTHQUAKE

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Magnitude: 5.3

Event Time: Time and Date Starting of Earthquake Rupture 

2013-05-16 03:18:24 UTC

2013-05-16 04:18:24 UTC+01:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

53.058°S 22.177°E

Depth : Depth of starting Rupture 

15.8km (9.8mi)

Region : South of Africa

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

a) 1247km (775mi) E of Bouvet Island, Bouvet Island

b) 2065km (1283mi) S of Bredasdorp, South Africa

c) 2084km (1295mi) S of Hermanus, South Africa

d) 2113km (1313mi) S of Plettenberg Bay, South Africa

e) 2672km (1660mi) S of Maseru, Lesotho

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	5.3 mb	± 0.11
Location	53.058°S, 22.177°E	± 18.7 km
Depth	15.8 km	± 7.1 km
Number of Phase Applied1	25
Minimum Distance2	2303.2 km (20.69°)
Travel Time Residual3	0.84 sec
Azimuthal Gap4	90°

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)