Magnitude 2.5 Earthquake of Princeton, Canada 2014-07-30

2014-07-30 21:09:24 UTC :Princeton, Canada EARTHQUAKE

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Magnitude: 2.5

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-07-30 21:09:24 UTC

1. 2014-07-30 14:09:24 UTC-07:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

49.380°N 120.541°W

Depth : Depth of starting Rupture 

0.0km (0.0mi)

Region : Princeton, Canada

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

a)  8km (5mi) SSW of Princeton, Canada

b)  70km (43mi) W of Penticton, Canada

c)  87km (54mi) SW of West Kelowna, Canada

d)  94km (58mi) SW of Kelowna, Canada

e)  232km (144mi) ENE of Victoria, Canada

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	2.5 Ml	± 0.20
Location	49.381°N, 120.541°W	± 0.7 km
Depth	0.0 km	± 31.6 km
Number of Phase Applied1	8
Minimum Distance2	68.0 km (0.61°)
Travel Time Residual3	0.07 sec
Azimuthal Gap4	220°

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)