Friday, September 5, 2014

Magnitude 2.6 Earthquake of Gold Bar, Washington 2014-09-04

2014-08-04 15:05:48 UTC :Gold Bar, Washington EARTHQUAKE

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Magnitude: 2.6


Event Time: Time and Date Starting of Earthquake Rupture 


  1. 2014-09-04 15:05:48 UTC

  1. 2014-09-04 08:05:48 UTC-07:00 at epicenter


Earthquake data:

Location : Position of Epicenter 

47.872°N 121.656°W


Depth : Depth of starting Rupture 

10.4km (6.5mi)


Region : Gold Bar, Washington



Magnitude 2.6 Earthquake of Gold Bar, Washington 2014-09-04




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

a) 3km (2mi) ENE of Gold Bar, Washington

b) 23km (14mi) E of Monroe, Washington

c) 34km (21mi) ESE of Lake Stevens, Washington

d) 
34km (21mi) ENE of Cottage Lake, Washington


e) 131km (81mi) NE of Olympia, Washington


Location Uncertainty: 
Parameter
Value
Uncertainty
Magnitude
2.6 Ml
± 0.20
Location
47.872°N, 121.656°W± 0.2 km
Depth
10.4 km
± 0.8 km
Number of Phase Applied1
35

Minimum Distance2
11.0 km (0.10°)

Travel Time Residual3
0.09 sec

Azimuthal Gap4
50°

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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