Magnitude 5.2 Earthquake of Raoul Island, New Zealand 2014-09-02

2014-09-02 20:00:12 UTC : Raoul Island, New Zealand EARTHQUAKE

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Magnitude: 5.2

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-09-02 20:00:12 UTC

1. 2014-09-02 08:00:12 UTC-12:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

27.922°S 176.659°W

Depth : Depth of starting Rupture 

56.7km (35.3mi)

Region : Raoul Island, New Zealand

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

a)  192km (119mi) NE of Raoul Island, New Zealand

b)  766km (476mi) S of Nuku`alofa, Tonga

c)  1193km (741mi) SSE of Suva, Fiji

d)  1214km (754mi) NE of Whangarei, New Zealand

e)  1261km (784mi) NNE of Whakatane, New Zealand

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	5.2 mb	± 0.06
Location	27.922°S, 176.659°W	--
Depth	56.7 km	± 4.1 km
Number of Phase Applied1	127
Minimum Distance2	192.4 km (1.73°)
Travel Time Residual3	0.97 sec
Azimuthal Gap4	71°

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)