Magnitude 3.0 Earthquake of Cantwell, Alaska 2014-10-28

2014-10-28 00:57:29 UTC  : Cantwell, Alaska EARTHQUAKE

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Magnitude : 3.0

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-10-28 00:57:29 UTC

1. 2014-10-27 16:57:29 UTC-08:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

1. 63.172°N 150.368°W

Depth : Depth of starting Rupture 

112.3km (69.8mi)

Region : Cantwell, Alaska

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

 a)  75km (47mi) WSW of Cantwell, Alaska

 b)    189km (117mi) NNW of Knik-Fairview, Alaska

 c)  219km (136mi) N of Anchorage, Alaska

1. 
   

 d)  225km (140mi) SW of College, Alaska

1.  e)  846km (526mi) WNW of Whitehorse, Canada

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	3.0 ml	--
Location	63.172°N, 150.368°W	± 0.3 km
Depth	112.3 km	± 0.4 km
Number of Phase Applied1	77
Minimum Distance2	--
Travel Time Residual3	0.56 sec
Azimuthal Gap4	--

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)