Magnitude 2.7 Earthquake of San Martin, California 2014-08-06

2014-08-06 23:11:07 UTC :San Martin, California EARTHQUAKE

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Magnitude: 2.7

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-08-06 23:11:07 UTC
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1. 2014-08-06 16:11:07 UTC-07:00 at epicenter

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Earthquake data:

Location : Position of Epicenter 

37.127°N 121.529°W

Depth : Depth of starting Rupture 

7.3km (4.5mi)

Region : San Martin, California

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

a)  8km (5mi) ENE of San Martin, California

b)  11km (7mi) E of Morgan Hill, California

c)  13km (8mi) NNE of Gilroy, California

d)  31km (19mi) NE of Watsonville, California

e)  161km (100mi) S of Sacramento, California

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	2.7 Md	± 0.10
Location	37.128°N, 121.529°W	± 0.1 km
Depth	7.3 km	± 0.4 km
Number of Phase Applied1	68
Minimum Distance2	2.0 km (0.02°)
Travel Time Residual3	0.05 sec
Azimuthal Gap4	61°

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)