Sunday, October 26, 2014

Magnitude 3.0 Earthquake of Hidden Valley Lake, California USA 2014-10-26

2014-10-26 10:58:30 UTC : Hidden Valley Lake, California USA EARTHQUAKE

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Magnitude: 3.0

Event Time: Time and Date Starting of Earthquake Rupture 

  1. 2014-10-26 10:58:30 UTC

  1. 2014-10-26 03:58:30 UTC-07:00 at epicenter

                  Earthquake data:

                  Location : Position of Epicenter 

                  38.849°N 122.472°W

                  Depth : Depth of starting Rupture 

                  9.9km (6.2mi)

                  Region : Hidden Valley Lake, California
                  Magnitude 3.0 Earthquake of Hidden Valley Lake, California USA 2014-10-26

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

                  a) 8km (5mi) ENE of Hidden Valley Lake, California

                  b) 18km (11mi) SE of Clearlake, California

                  c) 43km (27mi) NE of Healdsburg, California

                  44km (27mi) NE of Windsor, California

                  e) 90km (56mi) WNW of Sacramento, California

                  Location Uncertainty: 
                  3.1 ml
                  ± 0.41
                  38.849°N, 122.472°W
                  ± 0.3 km
                  10.0 km
                  ± 0.4 km
                  Number of Phase Applied1

                  Minimum Distance2
                  5.2 km (0.05°)

                  Travel Time Residual3
                  0.15 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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