Magnitude 4.5 Earthquake of Namuac, Philippines 2014-07-03

2014-07-03 06:48:09 UTC : Namuac, Philippines EARTHQUAKE

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Magnitude: 4.5

Event Time: Time and Date Starting of Earthquake Rupture 

2014-07-03 06:48:09 UTC

1. 2014-07-03 14:48:09 UTC+08:00 at epicenter

 

Earthquake data:

Location : Position of Epicenter 

19.402°N 121.153°E

Depth : Depth of starting Rupture 

35.0km (21.7mi)

Region : Namuac, Philippines

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

a) 87km (54mi) N of Namuac, Philippines

b) 88km (55mi) N of Claveria, Philippines

c) 126km (78mi) NNW of Aparri, Philippines
  d)145km (90mi) NNE of Laoag, Philippines

e) 531km (330mi) N of Manila, Philippines

Location Uncertainty: 

Parameter	Value	Uncertainty
Magnitude	4.5 mb	± 0.10
Location	19.403°N, 121.153°E	--
Depth	35.0 km	± 2.0 km
Number of Phase Applied1	38
Minimum Distance2	378.3 km (3.40°)
Travel Time Residual3	1.07 sec
Azimuthal Gap4	143°

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)