Magnitude 2.5 Earthquake of Delta, Mexico 2014-08-21

2014-08-21 00:46:09 UTC : Delta, Mexico EARTHQUAKE

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Magnitude: 2.5

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-08-21 00:46:09 UTC

1. 2014-08-20 17:46:09 UTC-07:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

32.319°N 115.403°W

Depth : Depth of starting Rupture 

0.0km (0.0mi)

Region :  Delta, Mexico

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

a) 20km (12mi) WSW of Delta, Mexico

b) 28km (17mi) W of Guadalupe Victoria, Mexico

c)  37km (23mi) S of Mexicali, Mexico

d)  40km (25mi) SSE of Calexico, California

e)  335km (208mi) WSW of Phoenix, Arizona

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	2.5 ml	± 0.23
Location	32.319°N, 115.403°W	--
Depth	0.0 km	± 2.3 km
Number of Phase Applied1	24
Minimum Distance2	14.4 km (0.13°)
Travel Time Residual3	0.42 sec
Azimuthal Gap4	144°

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)