Friday, May 17, 2013

Magnitude 3.5 Earthquake of Niland, California USA 2013 May 17

2013-05-17 03:07:52 UTC : Niland, California USA EARTHQUAKE

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Magnitude: 3.5

Event Time: Time and Date Starting of Earthquake Rupture 

2013-05-17 03:07:52 UTC

2013-05-16 20:07:52 UTC-07:00 at epicenter


Earthquake data:

Location : Position of Epicenter 

33.205°N 115.550°W 

Depth : Depth of starting Rupture 

1.6km (1.0mi)

Region : Niland, California
niland, california usa earthquake 2013 MAY 17

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

a) 4km (2mi) SW of Niland, California

b) 25km (16mi) N of Brawley, California

c) 39km (24mi) N of Imperial, California

d) 
45km (28mi) N of El Centro, California


e) 324km (201mi) W of Phoenix, Arizona

Location Uncertainty: 
Parameter
Value
Uncertainty
Magnitude
3.5 Ml
± 0.10
Location
33.205°N, 115.550°W
± 0.3 km
Depth
1.6 km
± 0.4 km
Number of Phase Applied1
57

Minimum Distance2
2.0 km (0.02°)

Travel Time Residual3
0.16 sec

Azimuthal Gap4
94°

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)

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