Magnitude 2.8 Earthquake of Plummer, Idaho 2014-10-15

2014-10-15 06:51:07 UTC  : Plummer, Idaho EARTHQUAKE

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Magnitude: 2.8

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-10-15 06:51:07 UTC

1. 2014-10-14 23:51:07 UTC-07:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

1. 47.225°N 116.870°W

Depth : Depth of starting Rupture 

0.0km (0.0mi)

Region : Plummer, Idaho

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

 a)  12km (7mi) S of Plummer, Idaho

 b)    50km (31mi) S of Coeur d'Alene, Idaho

 c)  54km (34mi) SSE of Opportunity, Washington

1. 
   

 d)  55km (34mi) S of Post Falls, Idaho

1.  e)  374km (232mi) WNW of Helena, Montana

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	2.8 Md	± 0.20
Location	47.225°N, 116.870°W	± 4.9 km
Depth	0.0 km	± 31.6 km
Number of Phase Applied1	22
Minimum Distance2	140.0 km (1.26°)
Travel Time Residual3	1.25 sec
Azimuthal Gap4	313°

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)