Magnitude 3.1 Earthquake of Mecca, California 2014-07-15

2014-07-15 06:07:14 UTC : Mecca, California EARTHQUAKE

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Magnitude: 3.1

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-07-15 06:07:14 UTC

1. 2014-07-14 23:07:14 UTC-07:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

33.595°N 115.915°W

Depth : Depth of starting Rupture 

9.4km (5.8mi)

Region : Mecca, California

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

a)  15km (9mi) E of Mecca, California

b) 25km (16mi) ESE of Coachella, California

c)  31km (19mi) ESE of Indio, California

d)  37km (23mi) ESE of La Quinta, California

e)  357km (222mi) W of Phoenix, Arizona

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	3.1 ml	± 0.28
Location	33.595°N, 115.915°W	± 0.3 km
Depth	9.4 km	± 0.6 km
Number of Phase Applied1	96
Minimum Distance2	5.2 km (0.05°)
Travel Time Residual3	0.31 sec
Azimuthal Gap4	66°

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)