Magnitude 2.9 Earthquake of Ames Lake, Washington 2014-10-13

2014-10-13 15:24:00 UTC :Ames Lake, Washington EARTHQUAKE

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Magnitude: 2.9

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-10-13 15:24:00 UTC
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1. 2014-10-13 08:24:00 UTC-07:00 at epicenter
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Earthquake data:

Location : Position of Epicenter 

47.655°N 121.965°W

Depth : Depth of starting Rupture 

17.2km (10.7mi)

Region : Ames Lake, Washington

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

a)  2km (1mi) N of Ames Lake, Washington

b)  5km (3mi) ESE of Union Hill-Novelty Hill, Washington

c)  8km (5mi) E of Sammamish, Washington

d)  11km (7mi) E of Redmond, Washington

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e)  98km (61mi) NE of Olympia, Washington

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	2.9 Ml	± 0.20
Location	47.655°N, 121.965°W	± 0.7 km
Depth	17.2 km	± 1.8 km
Number of Phase Applied1	31
Minimum Distance2	10.0 km (0.09°)
Travel Time Residual3	0.39 sec
Azimuthal Gap4	76°

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)