Magnitude 5.3 Earthquake of Hirara, Japan 2014-07-11

2014-07-11 13:11:46 UTC : Hirara, Japan EARTHQUAKE

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Magnitude : 5.3

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-07-11 13:11:46 UTC
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3. 2014-07-11 21:11:46 UTC+08:00 at epicenter
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1. Earthquake data:

Location : Position of Epicenter 

26.299°N 125.801°E

Depth : Depth of starting Rupture 

117.5km (73.0mi)

Region : Hirara, Japan

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

a)  174km (108mi) NNE of Hirara, Japan

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b)    187km (116mi) W of Itoman, Japan

c)  187km (116mi) W of Tomigusuku, Japan

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d)  188km (117mi) W of Naha-shi, Japan

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e)  1254km (779mi) S of Seoul, South Korea

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	5.3 mb	± 0.04
Location	26.299°N, 125.801°E	--
Depth	117.5 km	± 4.6 km
Number of Phase Applied1	128
Minimum Distance2	253.5 km (2.28°)
Travel Time Residual3	1.11 sec
Azimuthal Gap4	33°

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)