Magnitude 5.6 Earthquake of Nago, Japan 2013 June 13

2013-06-13 13:24:43 UTC : Nago, Japan EARTHQUAKE

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Magnitude: 5.6

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2013-06-13 13:24:43 UTC

1. 2013-06-13 22:24:43 UTC+09:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

26.547°N 128.878°E

Depth : Depth of starting Rupture 

8.5km (5.3mi)

Region : Nago, Japan

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

a) 89km (55mi) E of Nago, Japan

b) 102km (63mi) ENE of Gushikawa, Japan

c) 102km (63mi) ENE of Haebaru, Japan

d) 106km (66mi) E of Ishikawa, Japan

e) 1235km (767mi) S of Seoul, South Korea

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	5.6 Mwb	± 0.04
Location	26.547°N, 128.878°E	± 12.4 km
Depth	8.5 km	± 5.2 km
Number of Phase Applied1	119
Minimum Distance2	67.9 km (0.61°)
Travel Time Residual3	0.96 sec
Azimuthal Gap4	16°

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)