Thursday, April 23, 2015

Magnitude 4.5 Earthquake of San Vicente Coatlan, Mexico 2015-04-23

2015-04-23 04:25:02 (UTC) :South-SouthWest of San Vicente Coatlan, Mexico

earthquake monitor, Mexico earthquake, earthquake realtime

Magnitude : 4.5

Event Time: Time and Date Starting of Earthquake Rupture 
  • 2015-04-23 04:25:02 (UTC)
Earthquake data:

Location : Position of Epicenter 

16.170°N 96.894°W

Depth : Depth of starting Rupture 

48.4 km

Region : San Vicente Coatlan, Mexico
Magnitude 4.5 Earthquake of San Vicente Coatlan, Mexico 2015-04-23

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

a) 24km (15mi) SSW of San Vicente Coatlan, Mexico

b) 36km (22mi) WSW of Miahuatlan de Porfirio Diaz, Mexico

c) 39km (24mi) NNE of Puerto Escondido, Mexico

d) 39km (24mi) NNE of Puerto Escondido, Mexico

e) 431km (268mi) SSE of Mexico City, Mexico

Location Uncertainty: 
4.5 mb
± 0.0
16.170°N 96.894°W
± 9.9 km
48.4 km
± 10.1
Number of Phase Applied1

Minimum Distance2
235.66 km (2.12°)

Travel Time Residual3
1.17 sec

Azimuthal Gap4

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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