Magnitude 4.9 Earthquake of Namie, Japan 2014-07-05

2014-07-05 14:59:34 UTC : Namie, Japan EARTHQUAKE

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Magnitude : 4.9

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-07-05 14:59:34 UTC
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1. 2014-07-05 23:59:34 UTC+09:00 at epicenter

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Earthquake data:

Location : Position of Epicenter 

37.381°N 141.760°E

Depth : Depth of starting Rupture 

44.5km (27.7mi)

Region : Namie, Japan

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

a)68km (42mi) E of Namie, Japan

b)  86km (53mi) ENE of Iwaki, Japan

c) 104km (65mi) E of Funehiki, Japan

d) 105km (65mi) SE of Marumori, Japan

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e) 263km (163mi) NE of Tokyo, Japan

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	4.9 mb	± 0.10
Location	37.381°N, 141.760°E	--
Depth	44.5 km	± 7.1 km
Number of Phase Applied1	39
Minimum Distance2	330.3 km (2.97°)
Travel Time Residual3	0.68 sec
Azimuthal Gap4	85°

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)