Magnitude 4.4 Earthquake off the east coast of Honshu, Japan 2013 November 01

2013-11-01 04:17:16 UTC: Off the east coast of Honshu, Japan EARTHQUAKE

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Magnitude: 4.4

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2013-11-01 04:17:16 UTC

1. 2013-11-01 14:17:16 UTC+10:00 at epicenter
2. 
   

Earthquake data:

Location : Position of Epicenter 

36.602°N 145.157°E 

Depth : Depth of starting Rupture 

15.7km (9.7mi)

Region : Off the east coast of Honshu, Japan

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

a) 382km (237mi) ESE of Namie, Japan

b) 384km (239mi) E of Iwaki, Japan

c) 394km (245mi) E of Kitaibaraki, Japan

d) 396km (246mi) ESE of Ishinomaki, Japan

e) 502km (312mi) ENE of Tokyo, Japan

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	4.4 mb	± 0.24
Location	36.602°N, 145.157°E	--
Depth	15.7 km	± 6.6 km
Number of Phase Applied1	16
Minimum Distance2	622.5 km (5.59°)
Travel Time Residual3	0.57 sec
Azimuthal Gap4	211°

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)