Magnitude 5.2 Earthquake of Ofunato, Japan 2013 November 03

2013-11-03 08:52:56 UTC: Ofunato, Japan EARTHQUAKE

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Magnitude: 5.2

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2013-11-03 08:52:56 UTC

1. 2013-11-03 18:52:56 UTC+10:00 at epicenter
2. 
   

Earthquake data:

Location : Position of Epicenter 

38.332°N 142.708°E

Depth : Depth of starting Rupture 

31.2km (19.4mi)

Region : Ofunato, Japan

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

a) 119km (74mi) SE of Ofunato, Japan

b) 123km (76mi) E of Ishinomaki, Japan

c) 126km (78mi) SE of Kamaishi, Japan

d) 130km (81mi) E of Yamoto, Japan

e) 397km (247mi) NE of Tokyo, Japan

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	5.2 mb	± 0.04
Location	38.332°N, 142.708°E	--
Depth	31.2 km	± 4.1 km
Number of Phase Applied1	339
Minimum Distance2	411.2 km (3.69°)
Travel Time Residual3	0.81 sec
Azimuthal Gap4	81°

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)