Magnitude 3.2 Earthquake of Salton City, California 2014-07-09

2014-07-09 21:48:04 UTC : Salton City, California EARTHQUAKE

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Magnitude : 3.2

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-07-09 21:48:04 UTC
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3. 2014-07-09 14:48:04 UTC-07:00 at epicenter
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1. Earthquake data:

Location : Position of Epicenter 

33.251°N 115.982°W

Depth : Depth of starting Rupture 

2.9km (1.8mi)

Region : Salton City, California

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

a)  5km (3mi) SSW of Salton City, California

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b)    50km (31mi) SSE of Coachella, California

c)  51km (32mi) NW of Brawley, California

d)  55km (34mi) SSE of La Quinta, California

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e)  364km (226mi) W of Phoenix, Arizona

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	3.2 ml	± 0.16
Location	33.251°N, 115.982°W	± 0.2 km
Depth	2.9 km	± 0.4 km
Number of Phase Applied1	103
Minimum Distance2	3.3 km (0.03°)
Travel Time Residual3	0.19 sec
Azimuthal Gap4	44°

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)