Thursday, April 9, 2015

Magnitude 4.3 Earthquake of Guthrie, Oklahoma 2015-04-08

2015-04-08 20:51:59 (UTC) :South of Guthrie, Oklahoma

earthquake monitor,Japan earthquake, earthquake realtime

Magnitude : 4.3

Event Time: Time and Date Starting of Earthquake Rupture 
  • 2015-04-08 20:51:59 (UTC)
Earthquake data:

Location : Position of Epicenter 

35.851°N 97.425°W

Depth : Depth of starting Rupture 

5.0 km

Region : Guthrie, Oklahoma
Magnitude 4.3 Earthquake of Guthrie, Oklahoma 2015-04-08

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

a) 3km (2mi) S of Guthrie, Oklahoma

b) 22km (14mi) NNE of Edmond, Oklahoma

c) 40km (25mi) NNE of Warr Acres, Oklahoma

d) 41km (25mi) NNE of Bethany, Oklahoma

e) 43km (27mi) N of Oklahoma City, Oklahoma

Location Uncertainty: 
4.3 mb_lg
± 0.0
35.851°N 97.425°W
± 4.8 km
5.0 km
± 2.0
Number of Phase Applied1

Minimum Distance2
6.57 km (0.06°)

Travel Time Residual3
0.86 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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