Magnitude 4.5 Earthquake of Bajos del Ejido, Mexico 2014-07-22

2014-07-22 21:56:14 UTC : Bajos del Ejido, Mexico EARTHQUAKE

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Magnitude: 4.5

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-07-22 21:56:14 UTC

1. 2014-07-22 16:56:14 UTC-05:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

16.844°N 100.086°W 

Depth : Depth of starting Rupture 

14.5km (9.0mi)

Region : Bajos del Ejido, Mexico

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

a)  17km (11mi) SW of Bajos del Ejido, Mexico

b) 20km (12mi) W of Acapulco de Juarez, Mexico

c)  21km (13mi) S of Coyuca de Benitez, Mexico

d)  54km (34mi) SE of Atoyac de Alvarez, Mexico

e)  303km (188mi) SSW of Mexico City, Mexico

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	4.5 mb	± 0.04
Location	16.844°N, 100.086°W	--
Depth	14.5 km	± 11.8 km
Number of Phase Applied1	36
Minimum Distance2	180.1 km (1.62°)
Travel Time Residual3	0.84 sec
Azimuthal Gap4	254°

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)