Sunday, April 19, 2015

Magnitude 4.6 Earthquake of Atocha, Bolivia 2015-04-19

2015-04-19 02:03:17 (UTC) :South-West of Atocha, Bolivia

earthquake monitor, Bolivia earthquake, earthquake realtime

Magnitude : 4.6

Event Time: Time and Date Starting of Earthquake Rupture 
  • 2015-04-19 02:03:17 (UTC)
Earthquake data:

Location : Position of Epicenter 

21.631°S 66.892°W

Depth : Depth of starting Rupture 

230.8 km

Region : Atocha, Bolivia
Magnitude 4.6 Earthquake of Atocha, Bolivia 2015-04-19

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

a) 103km (64mi) SW of Atocha, Bolivia

b) 123km (76mi) W of Tupiza, Bolivia

c) 129km (80mi) S of Uyuni, Bolivia

d) 143km (89mi) WNW of Villazon, Bolivia

e) 583km (362mi) SSE of La Paz, Bolivia

Location Uncertainty: 
4.6 mb
± 0.1
21.631°S 66.892°W
± 5.6 km
230.8 km
± 6.6
Number of Phase Applied1

Minimum Distance2
234.99 km (2.11°)

Travel Time Residual3
1.50 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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