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)

Magnitude 5.0 Earthquake of MOZAMBIQUE 2012 February 13

2012 February 13 00:49:31 UTC: MOZAMBIQUE

Magnitude: 5.0

Date-Time : Monday, February 13, 2012 at 00:49:31 UTC
Monday, February 13, 2012 at 02:49:31 AM at epicenter

Location : 13.932°S, 40.931°E

Depth : 10.8 km (6.7 miles)

Region : MOZAMBIQUE

Distances:

a) 65 km (40 miles) NNE of Nacala, Mozambique

b) 178 km (110 miles) SSE of Ibo, Mozambique

c) 352 km (218 miles) SW of MORONI, Comoros

d) 1470 km (913 miles) SSE of NAIROBI, Kenya

Location Uncertainty: horizontal +/- 20.4 km (12.7 miles); depth +/- 7 km (4.3 miles)

Parameters : NST= 46, Nph= 47, Dmin=877.2 km, Rmss=0.77 sec, Gp= 61°, M-type=body wave magnitude (Mb), Version=6

Magnitude 5.3 Earthquake of SOUTH OF AFRICA 2012 January 12

2012 January 12 22:08:11 UTC: SOUTH OF AFRICA

Magnitude: 5.3

Date-Time : Thursday, January 12, 2012 at 22:08:11 UTC
Friday, January 13, 2012 at 12:08:11 AM at epicenter

Location : 52.041°S, 28.241°E

Depth : 10 km (6.2 miles)

Region : SOUTH OF AFRICA

Distances:

a) 892 km (554 miles) SW of Marion Island, Prince Edward Islands

b) 1673 km (1039 miles) E of Bouvet Island

c) 2475 km (1537 miles) S of Durban, South Africa

d) 2524 km (1568 miles) S of MASERU, Lesotho

Location Uncertainty: horizontal +/- 17.2 km (10.7 miles); depth +/- 2.8 km (1.7 miles)

Parameters : NST= 55, Nph= 56, Dmin=>999 km, Rmss=0.69 sec, Gp= 29°, M-type=body wave magnitude (Mb), Version=4