Magnitude 4.8 Earthquake of Isla Vista, California USA 2013 May 29

2013-05-29 14:38:03 UTC : Isla Vista, California USA Earthquake

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Magnitude: 4.8

Event Time: Time and Date Starting of Earthquake Rupture 

2013-05-29 14:38:03 UTC
2013-05-29 07:38:03 UTC-07:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

34.413°N 119.926°W

Depth : Depth of starting Rupture 

8.0km (5.0mi)

Region :  Isla Vista, California

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

a) 5km (3mi) W of Isla Vista, California

b) 8km (5mi) WSW of Goleta, California

c) 20km (12mi) W of Santa Barbara, California

d) 37km (23mi) W of Carpinteria, California

e) 483km (300mi) SSE of Sacramento, California

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	4.8 Mw	--
Location	34.413°N, 119.926°W	± 0.4 km
Depth	8.0 km	± 1.0 km
Number of Phase Applied1	39
Minimum Distance2	8.0 km (0.07°)
Travel Time Residual3	0.2 sec
Azimuthal Gap4	65°

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)