Magnitude 2.5 Earthquake of Cambria, California 2014-09-27

2014-09-27 02:43:40 UTC :Cambria, California EARTHQUAKE

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Magnitude : 2.5

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-09-27 02:43:40 UTC
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1. 2014-09-26 19:43:40 UTC-07:00 at epicenter

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2. Earthquake data:

Location : Position of Epicenter 

1. 35.666°N 121.061°W

Depth : Depth of starting Rupture 

6.3km (3.9mi)

Region : Cambria, California

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

a)  11km (7mi) N of Cambria, California

b)  33km (21mi) W of Paso Robles, California

c)  38km (24mi) NNW of Morro Bay, California

d)  40km (25mi) WNW of Atascadero, California

e)  325km (202mi) S of Sacramento, California

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	2.5 md	± 0.17
Location	35.666°N, 121.061°W	± 0.1 km
Depth	6.3 km	± 0.4 km
Number of Phase Applied1	58
Minimum Distance2	6.3 km (0.06°)
Travel Time Residual3	0.06 sec
Azimuthal Gap4	79°

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)