Monday, October 27, 2014

Magnitude 4.8 Earthquake of Langsa, Indonesia 2014-10-27

2014-10-27 00:02:47 UTC : Langsa Tambakrejo, Indonesia EARTHQUAKE

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Magnitude: 4.8

Event Time: Time and Date Starting of Earthquake Rupture 

  1. 2014-10-27 00:02:47 UTC

  1. 2014-10-27 07:02:47 UTC+07:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

5.335°N 98.041°E

Depth : Depth of starting Rupture 

35.0km (21.7mi)

Region : Langsa, Indonesia

Magnitude 4.8 Earthquake of Langsa, Indonesia 2014-10-27

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

a)  96km (60mi) N of Langsa, Indonesia

b)  100km (62mi) E of Lhokseumawe, Indonesia

c)  145km (90mi) NNW of Tanjungtiram, Indonesia

147km (91mi) N of Pangkalan Brandan, Indonesia

e)  471km (293mi) WNW of Kuala Lumpur, Malaysia

Location Uncertainty: 
4.8 mb
± 0.09
5.335°N, 98.041°E
35.0 km
± 2.0 km
Number of Phase Applied1

Minimum Distance2
121.8 km (1.09°)

Travel Time Residual3
0.72 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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