Magnitude 4.6 Earthquake of Altagracia, Nicaragua 2014-08-30

2014-08-30 10:31:45 UTC  : Altagracia, Nicaragua EARTHQUAKE

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Magnitude: 4.6

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-08-30 10:31:45 UTC

1. 2014-08-30 04:31:45 UTC-06:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

1. 11.463°N 85.331°W

Depth : Depth of starting Rupture 

10.0km (6.2mi)

Region : Altagracia, Nicaragua

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

a)  29km (18mi) ESE of Altagracia, Nicaragua

b)    54km (34mi) E of Rivas, Nicaragua

c)  58km (36mi) SSW of Acoyapa, Nicaragua

1. 
   

d)  60km (37mi) NNW of San Jose, Costa Rica

1. e)  124km (77mi) SE of Managua, Nicaragua

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	4.6 mb	± 0.08
Location	11.463°N, 85.331°W	--
Depth	10.0 km	± 1.9 km
Number of Phase Applied1	70
Minimum Distance2	101.0 km (0.91°)
Travel Time Residual3	0.81 sec
Azimuthal Gap4	71°

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)