Thursday, June 4, 2015

Magnitude 4.8 Earthquake of Sulangan, Philippines 2015-06-03

2015-06-03 21:18:41 (UTC) : East-SouthEast of Sulangan, Philippines

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Magnitude : 4.8

Event Time: Time and Date Starting of Earthquake Rupture 
  • 2015-06-03 21:18:41 (UTC)
Earthquake data:

Location : Position of Epicenter 

10.707°N 126.223°E

Depth : Depth of starting Rupture 

35.0 km

Region : Sulangan, Philippines
Magnitude 4.8 Earthquake of Sulangan, Philippines 2015-06-03

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

a) 50km (31mi) ESE of Sulangan, Philippines

b) 65km (40mi) ESE of Guiuan, Philippines

c) 130km (81mi) NE of Surigao, Philippines

d) 131km (81mi) SE of Borongan, Philippines

e) 714km (444mi) SE of Manila, Philippines

Location Uncertainty: 
4.8 mb
± 0.1
10.707°N 126.223°E
± 9.3 km
35.0 km
± 1.9
Number of Phase Applied1

Minimum Distance2
1105.95 km (9.94°)

Travel Time Residual3
0.54 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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