Magnitude 2.7 Earthquake of Van Horn, Texas USA 2013 May 14

2013-05-14 00:05:39 UTC : Van Horn, Texas USA EARTHQUAKE

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Magnitude: 2.7

Event Time: Time and Date Starting of Earthquake Rupture 

2013-05-14 00:05:39 UTC

2013-05-13 19:05:39 UTC-05:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

31.128°N 104.746°W

Depth : Depth of starting Rupture 

4.3km (2.7mi)

Region : Van Horn, Texas

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

a) 12km (7mi) NE of Van Horn, Texas

b) 151km (94mi) SSW of Carlsbad, New Mexico

c) 152km (94mi) ESE of Horizon City, Texas

d) 153km (95mi) ESE of San Elizario, Texas

e) 517km (321mi) SSE of Santa Fe, New Mexico

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	2.7 mb_Lg	--
Location	31.128°N, 104.746°W	± 14.1 km
Depth	4.3 km	± 5.0 km
Number of Phase Applied1	12
Minimum Distance2	87.9 km (0.79°)
Travel Time Residual3	0.69 sec
Azimuthal Gap4	147°

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)