Magnitude 2.9 Earthquake of Progreso, Mexico 2014-08-11

2014-08-11 22:27:16 UTC : Progreso, Mexico EARTHQUAKE

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Magnitude: 2.9

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-08-11 22:27:16 UTC

1. 2014-08-11 15:27:16 UTC-07:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

32.639°N 115.749°W

Depth : Depth of starting Rupture 

1.9km (1.2mi)

Region :  Progreso, Mexico

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

a)  16km (10mi) WNW of Progreso, Mexico

b)  23km (14mi) W of Calexico, California

c)  24km (15mi) SW of El Centro, California

d)  26km (16mi) W of Mexicali, Mexico

e)  354km (220mi) WSW of Phoenix, Arizona

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	2.9 ml	± 0.17
Location	32.639°N, 115.750°W	--
Depth	1.9 km	± 0.7 km
Number of Phase Applied1	33
Minimum Distance2	2.5 km (0.02°)
Travel Time Residual3	0.27 sec
Azimuthal Gap4	104°

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)