Magnitude 4.0 Earthquake of Dinhata, India 2014-07-22

2014-07-22 23:35:14 UTC :Dinhata, India EARTHQUAKE

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Magnitude: 4.0

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-07-22 23:35:14 UTC

1. 2014-07-23 05:35:14 UTC+06:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

26.132°N 89.604°E

Depth : Depth of starting Rupture 

14.7km (9.1mi)

Region : Dinhata, India

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

a)  13km (8mi) E of Dinhata, India

b)  20km (12mi) NNW of Nageswari, Bangladesh

c)  21km (13mi) SSW of Tufanganj, India

d)  26km (16mi) SE of Koch Bihar, India

e)  147km (91mi) S of Thimphu, Bhutan

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	4.0 mb	± 0.16
Location	26.132°N, 89.604°E	--
Depth	14.7 km	± 6.7 km
Number of Phase Applied1	22
Minimum Distance2	234.4 km (2.11°)
Travel Time Residual3	0.80 sec
Azimuthal Gap4	170°

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)