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

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Earthquake data:

Location : Position of Epicenter 

5.335°N 98.041°E

Depth : Depth of starting Rupture 

35.0km (21.7mi)

Region : Langsa, Indonesia

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

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

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

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	4.8 mb	± 0.09
Location	5.335°N, 98.041°E	--
Depth	35.0 km	± 2.0 km
Number of Phase Applied1	52
Minimum Distance2	121.8 km (1.09°)
Travel Time Residual3	0.72 sec
Azimuthal Gap4	66°

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)