Magnitude 4.2 Earthquake of Jarm, Afghanistan 2014-08-31

2014-08-31 03:39:23 UTC : Jarm, Afghanistan EARTHQUAKE

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Magnitude: 4.2

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-08-31 03:39:23 UTC
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1. 2014-08-31 08:09:23 UTC+04:30 at epicenter

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Earthquake data:

Location : Position of Epicenter 

36.480°N 70.660°E

Depth : Depth of starting Rupture 

197.0km (122.4mi)

Region :  Jarm, Afghanistan

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

a) 45km (28mi) SSW of Jarm, Afghanistan

b) 71km (44mi) S of Fayzabad, Afghanistan

c) 72km (45mi) E of Farkhar, Afghanistan

d) 81km (50mi) WSW of Ashkasham, Afghanistan

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e) 255km (158mi) NNE of Kabul, Afghanistan

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	4.2 mb	± 0.37
Location	36.480°N, 70.660°E	--
Depth	197.0 km	± 7.3 km
Number of Phase Applied1	25
Minimum Distance2	72.1 km (0.65°)
Travel Time Residual3	0.57 sec
Azimuthal Gap4	99°

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)