Magnituae 4.6 Earthquake of Severo-Kuril'sk, Russia 2014-08-21

2014-08-21 06:34:26 UTC :Severo-Kuril'sk, Russia EARTHQUAKE

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Magnitude: 4.6

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-08-21 06:34:26 UTC
2. 
   

1. 2014-08-21 16:34:26 UTC+10:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

48.592°N 155.329°E

Depth : Depth of starting Rupture 

31.9km (19.8mi)

Region :Severo-Kuril'sk, Russia

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

a) 239km (149mi) SSW of Severo-Kuril'sk, Russia

b) 528km (328mi) SSW of Vilyuchinsk, Russia

c) 547km (340mi) SSW of Petropavlovsk-Kamchatskiy, Russia

d) 554km (344mi) SSW of Yelizovo, Russia

e) 1922km (1194mi) NE of Tokyo, Japan

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	4.6 mb	± 0.12
Location	48.592°N, 155.329°E	--
Depth	31.9 km	± 5.6 km
Number of Phase Applied1	45
Minimum Distance2	530.3 km (4.76°)
Travel Time Residual3	0.68 sec
Azimuthal Gap4	133°

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)