Magnitude 2.7 Earthquake Of Page, Arizona USA 2013 May 28

2013-05-28 13:32:02 UTC : Page, Arizona USA EARTHQUAKE

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Magnitude: 2.7

Event Time: Time and Date Starting of Earthquake Rupture 

2013-05-28 13:32:02 UTC

2013-05-28 06:32:02 UTC-07:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

36.849°N 111.796°W

Depth : Depth of starting Rupture 

6.0km (3.7mi)

Region : Page, Arizona

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

a) 36km (22mi) W of Page, Arizona

b) 131km (81mi) ESE of Hurricane, Utah

c) 139km (86mi) SE of Cedar City, Utah

d) 149km (93mi) E of Washington, Utah

e) 379km (235mi) N of Phoenix, Arizona

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	2.7 Ml	± 0.10
Location	36.849°N, 111.796°W	± 0.9 km
Depth	6.0 km	± 31.6 km
Number of Phase Applied1	13
Minimum Distance2	64.0 km (0.57°)
Travel Time Residual3	0.21 sec
Azimuthal Gap4	169°

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)