Magnitude 5.1 Earthquake of Manubul, Philippines 2014-09-09

2014-09-09 00:26:24 UTC : Manubul, Philippines EARTHQUAKE

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Magnitude : 5.1

Event Time: Time and Date Starting of Earthquake Rupture 

1. 2014-09-09 00:26:24 UTC
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1. 2014-09-09 08:26:24 UTC+08:00 at epicenter

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Earthquake data:

Location : Position of Epicenter 

5.077°N 120.796°E

Depth : Depth of starting Rupture 

6.0km (3.7mi)

Region : Manubul, Philippines

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

a)  43km (27mi) S of Manubul, Philippines

b)  51km (32mi) S of Siasi, Philippines

c)  108km (67mi) SSW of Anuling, Philippines

d)  110km (68mi) SSW of Jolo, Philippines

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e)  648km (403mi) E of Bandar Seri Begawan, Brunei

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	5.1 mb	± 0.05
Location	5.077°N, 120.796°E	--
Depth	6.0 km	± 3.3 km
Number of Phase Applied1	121
Minimum Distance2	255.0 km (2.29°)
Travel Time Residual3	0.88 sec
Azimuthal Gap4	40°

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)