Magnitude 2.6 Earthquake of Holbrook, Arizona 2014-09-07

2014-09-07 09:07:48 UTC : Holbrook, Arizona EARTHQUAKE

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Magnitude : 2.6

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-09-07 09:07:48 UTC
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1. 2014-09-07 02:07:48 UTC-07:00 at epicenter

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Earthquake data:

Location : Position of Epicenter 

34.971°N 110.100°W

Depth : Depth of starting Rupture

5.0km (3.1mi)

Region : Holbrook, Arizona

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

a)  9km (6mi) NE of Holbrook, Arizona

b)  79km (49mi) N of Show Low, Arizona

c)  138km (86mi) WSW of Gallup, New Mexico

d)  139km (86mi) NE of Payson, Arizona

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e)  248km (154mi) NE of Phoenix, Arizona

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	2.6 ml	± 0.06
Location	34.971°N, 110.100°W	--
Depth	5.0 km	± 2.0 km
Number of Phase Applied1	30
Minimum Distance2	37.1 km (0.33°)
Travel Time Residual3	0.93 sec
Azimuthal Gap4	81°

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)