Magnitude 3.2 Earthquake of Gustavus, Alaska 2014-08-28

2014-08-28 00:26:05 UTC  : Gustavus, Alaska EARTHQUAKE

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Magnitude: 3.2

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-08-28 00:26:05 UTC

1. 2014-08-27 16:26:05 UTC-08:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

1. 58.346°N 137.100°W 

Depth : Depth of starting Rupture 

6.2km (3.9mi)

Region :Gustavus, Alaska

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

 a)  80km (50mi) W of Gustavus, Alaska

 b)    157km (98mi) W of Juneau, Alaska

 c)  288km (179mi) SSW of Whitehorse, Canada

1. 
   

 d)  613km (381mi) NW of Prince Rupert, Canada

1.  e)  674km (419mi) NW of Terrace, Canada

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	3.2 ml	--
Location	58.346°N, 137.100°W	± 0.4 km
Depth	6.2 km	± 0.4 km
Number of Phase Applied1	40
Minimum Distance2	--
Travel Time Residual3	0.46 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)