Magnitude 4.1 Earthquake of Sanjwal, Pakistan 2014-08-02

2014-08-02 00:28:10 UTC : Sanjwal, Pakistan EARTHQUAKE

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Magnitude: 4.1

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-08-02 00:28:10 UTC
2. 
   

1. 2014-08-02 05:28:10 UTC+05:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

33.829°N 72.431°E

Depth : Depth of starting Rupture 

35.0km (21.7mi)

Region : Sanjwal, Pakistan

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

a) 7km (4mi) N of Sanjwal, Pakistan

b) 8km (5mi) NE of Attock City, Pakistan

c) 10km (6mi) SSW of Hazro, Pakistan

d) 25km (16mi) S of Zaida, Pakistan

e) 57km (35mi) WNW of Islamabad, Pakistan

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	4.1 mb	± 0.18
Location	33.829°N, 72.431°E	--
Depth	35.0 km	± 2.0 km
Number of Phase Applied1	21
Minimum Distance2	80.1 km (0.72°)
Travel Time Residual3	1.98 sec
Azimuthal Gap4	181°

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)