Magnitude 4.1 Earthquake of Aksu, China 2014-10-13

2014-10-13 21:43:15 UTC :Aksu, China EARTHQUAKE

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Magnitude: 4.1

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-10-13 21:43:15 UTC

1. 2014-10-14 05:43:15 UTC+08:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

40.824°N 80.203°E

Depth : Depth of starting Rupture 

16.9km (10.5mi)

Region : Aksu, China

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

a)  33km (21mi) S of Aksu, China

b)  96km (60mi) WNW of Aral, China

c)  238km (148mi) SE of Karakol, Kyrgyzstan

d)  248km (154mi) SE of Kyzyl-Suu, Kyrgyzstan

e)  518km (322mi) ESE of Bishkek, Kyrgyzstan

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	4.1 mb	± 0.19
Location	40.824°N, 80.203°E	--
Depth	16.9 km	± 4.3 km
Number of Phase Applied1	29
Minimum Distance2	400.9 km (3.60°)
Travel Time Residual3	0.87 sec
Azimuthal Gap4	76°

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)