Magnitude 3.2 Earthquake of Loiza, Puerto Rico 2014-09-06

2014-09-06 01:36:19 UTC  : Loiza, Puerto Rico EARTHQUAKE

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Magnitude : 3.2

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-09-06 01:36:19 UTC

1. 2014-09-05 21:36:19 UTC-04:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

1. 19.043°N 65.797°W

Depth : Depth of starting Rupture 

11.0km (6.8mi)

Region :Loiza, Puerto Rico

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

 a)  68km (42mi) N of Loiza, Puerto Rico

 b)    71km (44mi) NNE of San Juan, Puerto Rico

 c)  73km (45mi) N of Rio Grande, Puerto Rico

1. 
   

 d)  74km (46mi) NNE of Catano, Puerto Rico

1.  e)  75km (47mi) NNE of Carolina, Puerto Rico

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	3.2 Md	± 0.00
Location	19.043°N, 65.797°W	± 1.6 km
Depth	11.0 km	± 2.5 km
Number of Phase Applied1	22
Minimum Distance2	85.5 km (0.77°)
Travel Time Residual3	0.27 sec
Azimuthal Gap4	245°

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)