Magnitude 2.5 Earthquake of Highland Falls, New York 2014-07-05

2014-07-05 14:46:39 UTC : Highland Falls, New York EARTHQUAKE

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Magnitude : 2.5

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-07-05 14:46:39 UTC
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1. 2014-07-05 10:46:39 UTC-04:00 at epicenter

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Earthquake data:

Location : Position of Epicenter 

41.364°N 73.934°W

Depth : Depth of starting Rupture 

5.0km (3.1mi)

Region : Highland Falls, New York

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

a) 2km (1mi) ESE of Highland Falls, New York

b)  8km (5mi) N of Peekskill, New York

c) 12km (7mi) WNW of Jefferson Valley-Yorktown, New York

d) 14km (9mi) E of Woodbury, New York

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e) 113km (70mi) WSW of Hartford, Connecticut

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	2.5 ml	± 0.31
Location	41.364°N, 73.934°W	± 0.5 km
Depth	5.0 km	± 31.6 km
Number of Phase Applied1	42
Minimum Distance2	8.5 km (0.08°)
Travel Time Residual3	0.45 sec
Azimuthal Gap4	62°

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)