Magnitude 4.4 Earthquake of Naze, Japan 2014-08-05

2014-08-05 17:41:57 UTC :Naze, Japan EARTHQUAKE

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Magnitude: 4.4

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-08-05 17:41:57 UTC
2. 
   

1. 2014-08-06 02:41:57 UTC+09:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

28.044°N 128.061°E

Depth : Depth of starting Rupture 

32.2km (20.0mi)

Region : Naze, Japan

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

a) 144km (89mi) WSW of Naze, Japan

b) 161km (100mi) N of Nago, Japan

c) 181km (112mi) N of Ishikawa, Japan

d) 188km (117mi) N of Gushikawa, Japan

e) 1061km (659mi) S of Seoul, South Korea

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	4.4 mb	± 0.10
Location	28.044°N, 128.061°E	--
Depth	32.2 km	± 5.2 km
Number of Phase Applied1	39
Minimum Distance2	135.6 km (1.22°)
Travel Time Residual3	0.86 sec
Azimuthal Gap4	123°

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)