Tuesday, August 20, 2013

Magnitude 3.0 Earthquake of Calipatria, California USA 2013 August 20

2013-08-20 02:49:52 UTC : Calipatria, California USA EARTHQUAKE

earthquake monitor,California earthquake, earthquake realtime

Magnitude: 3.0


Event Time: Time and Date Starting of Earthquake Rupture 

  1. 2013-08-20 02:49:52 UTC


  1. 2013-08-19 19:49:52 UTC-07:00 at epicenter


Earthquake data:

Location : Position of Epicenter 

33.114°N 115.580°W

Depth : Depth of starting Rupture 

8.8km (5.5mi)

Region : Calipatria, California
calipatria, california usa earthquake 2013 august 20

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

a) 6km (4mi) WSW of Calipatria, California

b) 15km (9mi) NNW of Brawley, California

c) 29km (18mi) N of Imperial, California

d) 
35km (22mi) N of El Centro, California

e) 
328km (204mi) W of Phoenix, Arizona

Location Uncertainty: 
Parameter
Value
Uncertainty
Magnitude
3.0 Ml
± 0.20
Location
33.114°N, 115.580°W
± 0.3 km
Depth
8.8 km
± 0.4 km
Number of Phase Applied1
70

Minimum Distance2
3.0 km (0.03°)

Travel Time Residual3
0.31 sec

Azimuthal Gap4
47°

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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