Thursday, July 3, 2014

Magnitude 5.2 Earthquake of Little Sitkin Island, Alaska 2014-07-03

2014-07-03 04:43:42 UTC : Little Sitkin Island, Alaska EARTHQUAKE

earthquake monitor, Alaska earthquake, earthquake realtime

Magnitude: 5.2


Event Time: Time and Date Starting of Earthquake Rupture 


  1. 2014-07-03 04:43:42 UTC

2014-07-02 19:43:42 UTC-09:00 at epicenter

 
Earthquake data:

Location : Position of Epicenter 

51.938°N 178.521°E

Depth : Depth of starting Rupture 

122.9km (76.4mi)


Region : Little Sitkin Island, Alaska

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

a) 1km (1mi) SE of Little Sitkin Island, Alaska

b)1351km (839mi) E of Petropavlovsk-Kamchatskiy, Russia

c)1368km (850mi) E of Yelizovo, Russia

d)1368km (850mi) E of Vilyuchinsk, Russia

e) 2961km (1840mi) W of Whitehorse, Canada

Location Uncertainty: 
Parameter
Value
Uncertainty
Magnitude
5.2 mb
± 0.03
Location
51.938°N, 178.521°E
--
Depth
122.9 km
± 7.1 km
Number of Phase Applied1
102


Minimum Distance2
82.6 km (0.74°)

Travel Time Residual3
1.39 sec

Azimuthal Gap4
72°

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)

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