Thursday, September 25, 2014

Magnitude 3.0 Earthquake of Cohoe, Alaska 2014-09-25

2014-09-25 02:03:00 UTC  : Cohoe, Alaska EARTHQUAKE

earthquake monitor,Alaska earthquake, earthquake realtime

Magnitude : 3.0

Event Time: Time and Date Starting of Earthquake Rupture 

  1. 2014-09-25 02:03:00 UTC

  1. 2014-09-24 18:03:00 UTC-08:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

  1. 60.140°N 151.315°W

Depth : Depth of starting Rupture 

23.1km (14.4mi)

Region : Cohoe, Alaska

Magnitude 3.0 Earthquake of Cohoe, Alaska 2014-09-25

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

 a)  25km (16mi) S of Cohoe, Alaska

  b)   142km (88mi) SSW of Anchorage, Alaska

 c)  179km (111mi) SSW of Knik-Fairview, Alaska

 d)  554km (344mi) SSW of Badger, Alaska

  1.  e)  895km (556mi) W of Whitehorse, Canada

Location Uncertainty: 
3.0 ml
60.140°N, 151.315°W
± 0.4 km
23.1 km
± 0.5 km
Number of Phase Applied1

Minimum Distance2

Travel Time Residual3
0.74 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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