Magnitude 4.3 Earthquake of McPherson, Canada 2013 May 15

2013-05-13 00:00:29 UTC : McPherson, Canada EARTHQUAKE

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Magnitude: 4.3

Event Time: Time and Date Starting of Earthquake Rupture 

2013-05-15 07:10:32 UTC

2013-05-15 00:10:32 UTC-07:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

65.571°N 134.944°W

Depth : Depth of starting Rupture 

8.9km (5.5mi)

Region : McPherson, Canada

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

a) 208km (129mi) S of Fort McPherson, Canada

b) 541km (336mi) N of Whitehorse, Canada

c) 594km (369mi) ENE of Badger, Alaska

d) 602km (374mi) ENE of Fairbanks, Alaska

e) 605km (376mi) ENE of College, Alaska

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	4.3 mb	± 0.14
Location	65.571°N, 134.944°W	± 12.3 km
Depth	8.9 km	± 4.6 km
Number of Phase Applied1	48
Minimum Distance2	120.2 km (1.08°)
Travel Time Residual3	1.69 sec
Azimuthal Gap4	52°

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)