Saturday, September 6, 2014

Magnitude 2.7 Earthquake of Union City, California 2014-09-06

2014-09-06 07:19:14 UTC :Union City, California EARTHQUAKE

earthquake monitor,California earthquake, earthquake realtime

Magnitude : 2.7

Event Time: Time and Date Starting of Earthquake Rupture 

  1. 2014-09-06 07:19:14 UTC

  1. 2014-09-06 00:19:14 UTC-07:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

37.588°N 121.984°W

Depth : Depth of starting Rupture 

6.5km (4.0mi)

Region : Union City, California

Magnitude 2.7 Earthquake of Union City, California 2014-09-06

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

a) 3km (2mi) ESE of Union City, California

b) 4km (2mi) N of Fremont, California

c) 8km (5mi) NE of Newark, California

d) 11km (7mi) SSE of Fairview, California

e) 118km (73mi) SSW of Sacramento, California

Location Uncertainty: 
2.7 Md
± 0.10
37.588°N, 121.985°W
± 0.2 km
6.5 km
± 0.7 km
Number of Phase Applied1

Minimum Distance2
3.0 km (0.03°)

Travel Time Residual3
0.16 sec

Azimuthal Gap4

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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