Magnitude 4.7 Earthquake of Te Anau, New Zealand 2014-10-19

2014-10-19 18:07:42 : Te Anau, New Zealand EARTHQUAKE

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Magnitude: 4.7

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-10-19 18:07:42 UTC

1. 2014-10-20 07:07:42 UTC+13:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

45.046°S 167.523°E

Depth : Depth of starting Rupture 

131.9km (81.9mi)

Region : Te Anau, New Zealand

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

a)  43km (27mi) NNW of Te Anau, New Zealand

b)  89km (55mi) W of Queenstown, New Zealand

c)  161km (100mi) NW of Gore, New Zealand

d)  163km (101mi) NNW of Invercargill, New Zealand

e)  722km (449mi) SW of Wellington, New Zealand

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	4.7 mb	± 0.12
Location	45.046°S, 167.523°E	--
Depth	131.9 km	± 3.3 km
Number of Phase Applied1	31
Minimum Distance2	58.9 km (0.53°)
Travel Time Residual3	0.82 sec
Azimuthal Gap4	59°

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)