Magnitude 3.0 Earthquake of Geysers, California 2014 June 19

2014-06-19 08:07:50 UTC : Geysers, California EARTHQUAKE

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Magnitude: 3.0

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-06-19 08:07:50 UTC

1. 2014-06-19 01:07:50 UTC-07:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

1. 38.813°N 122.819°W

Depth : Depth of starting Rupture 

1. 2.4km (1.5mi)

Region : Geysers, California

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

a) 6km (4mi) NW of The Geysers, California

b) 22km (14mi) N of Healdsburg, California

1. C)23km (14mi) SW of Clearlake, California

d) 29km (18mi) N of Windsor, California

e) 118km (73mi) WNW of Sacramento, California

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	3.0 Md	± 0.20
Location	38.813°N, 122.819°W	± 0.1 km
Depth	2.4 km	± 0.2 km
Number of Phase Applied1	63
Minimum Distance2	1.0 km (0.01°)
Travel Time Residual3	0.05 sec
Azimuthal Gap4	22°

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)