Magnitude 5.9 Earthquake of Gustavus, Alaska 2014-07-25

2014-07-25 10:54:49UTC  : Gustavus, Alaska EARTHQUAKE

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Magnitude: 5.9

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-07-25 10:54:49 UTC

1. 2014-07-25 02:54:49 UTC-08:00 at epicenter

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Earthquake data:

Location : Position of Epicenter 

58.358°N 137.130°W

Depth : Depth of starting Rupture 

10.0km (6.2mi)

Region : Gustavus, Alaska

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

a)  81km (50mi) W of Gustavus, Alaska

b)    158km (98mi) W of Juneau, Alaska

c)  287km (178mi) SSW of Whitehorse, Canada

d)  615km (382mi) NW of Prince Rupert, Canada

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 e) 677km (421mi) NW of Terrace, Canada

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	5.9 mwp	± 0.01
Location	58.358°N, 137.130°W	--
Depth	10.0 km	± 1.8 km
Number of Phase Applied1	200
Minimum Distance2	135.3 km (1.22°)
Travel Time Residual3	1.11 sec
Azimuthal Gap4	56°

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)