Magnitude 4.8 Earthquake of Hasaki, Japan 2014-06-28

2014-06-28 07:11:49 UTC: Hasaki, Japan EARTHQUAKE

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Magnitude: 4.8 

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-06-28 07:11:49 UTC

2014-06-28 16:11:49 UTC+09:00 at epicenter   

1. 2014-06-28 13:11:49 UTC+06:00 system time
2.  

Earthquake data:

Location : Position of Epicenter 

35.847°N 140.933°E

Depth : Depth of starting Rupture 

33.5km (20.8mi) 

Region :Hasaki, Japan

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

a)15km (9mi) NE of Hasaki, Japan

b) 28km (17mi) E of Omigawa, Japan

c) 29km (18mi) ESE of Kashima-shi, Japan

d) 29km (18mi) ENE of Asahi, Japan
e) 113km (70mi) E of Tokyo, Japan

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	4.8 mb	± 0.06
Location	35.847°N, 140.933°E	--
Depth	33.5 km	± 4.3 km
Number of Phase Applied1	104
Minimum Distance2	257.6 km (2.31°)
Travel Time Residual3	1.13 sec
Azimuthal Gap4	108°

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)