Saturday, December 7, 2013

Magnitude 4.6 Earthquake of Cuajinicuilapa, Mexico 2013 December 07

2013-12-07 05:32:41 UTC : Cuajinicuilapa, Mexico EARTHQUAKE

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Magnitude: 4.6

Event Time: Time and Date Starting of Earthquake Rupture 


  1. 2013-12-07 05:32:41 UTC

  1. 2013-12-06 22:32:41 UTC-07:00 at epicenter


Earthquake data:

Location : Position of Epicenter 

16.255°N 98.539°W

Depth : Depth of starting Rupture 

16.6km (10.3mi)


Region : Cuajinicuilapa, Mexico
cuajinicuilapa, mexico earthquake 2013 December 07

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

a) 26km (16mi) SSW of Cuajinicuilapa, Mexico

b) 49km (30mi) SSW of Ometepec, Mexico

c) 56km (35mi) W of Santiago Pinotepa Nacional, Mexico

d) 
105km (65mi) SE of San Marcos, Mexico

e) 
356km (221mi) S of Mexico City, Mexico

Location Uncertainty: 
Parameter
Value
Uncertainty
Magnitude
4.6 mb
± 0.04
Location
16.255°N, 98.539°W
--
Depth
16.6 km
± 4.3 km
Number of Phase Applied1
54

Minimum Distance2
144.7 km (1.30°)

Travel Time Residual3
0.86 sec

Azimuthal Gap4
86°

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)

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