Magnitude 3.2 Earthquake of Nikiski, Alaska 2014-09-10

2014-09-09-10 10:43:30 UTC  : Nikiski, Alaska EARTHQUAKE

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Magnitude : 3.2

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-09-10 10:43:30 UTC

1. 2014-09-10 02:43:30 UTC-08:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

1. 61.144°N 151.113°W

Depth : Depth of starting Rupture 

122.0km (75.8mi)
63.5km (39.5mi)

Region : Nikiski, Alaska

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

 a)  51km (32mi) N of Nikiski, Alaska

 b)    65km (40mi) W of Anchorage, Alaska

 c)  90km (56mi) WSW of Knik-Fairview, Alaska

1. 
   

 d)  445km (277mi) SSW of Badger, Alaska

1.  e)  869km (540mi) W of Whitehorse, Canada

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	3.2 ml	--
Location	61.144°N, 151.113°W	± 0.2 km
Depth	63.5 km	± 0.5 km
Number of Phase Applied1	85
Minimum Distance2	--
Travel Time Residual3	0.73 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)