Wednesday, August 6, 2014

Magnitude 4.8 Earthquake of Hengchun, Taiwan 2014-08-06

2014-08-06 03:46:06 UTC : Hengchun, Taiwan EARTHQUAKE

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Magnitude: 4.8


Event Time: Time and Date Starting of Earthquake Rupture 


  1. 2014-08-06 03:46:06 UTC

  1. 2014-08-06 11:46:06 UTC+08:00 at epicenter

Earthquake data:

Location : Position of Epicenter 

22.101°N 121.458°E

Depth : Depth of starting Rupture 

82.1km (51.0mi)


Region : Hengchun, Taiwan


Magnitude 4.8 Earthquake of Hengchun, Taiwan 2014-08-06




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

a)  74km (46mi) E of Hengchun, Taiwan

b)  79km (49mi) SSE of Taitung City, Taiwan

c)  130km (81mi) ESE of Kaohsiung, Taiwan

d)  
152km (94mi) SE of Yujing, Taiwan


e)   753km (468mi) E of Hong Kong, Hong Kong

Location Uncertainty: 
Parameter
Value
Uncertainty
Magnitude
4.8 mb
± 0.08
Location
22.101°N, 121.458°E
--
Depth
82.1 km
± 4.1 km
Number of Phase Applied1
64

Minimum Distance2
88.4 km (0.79°)

Travel Time Residual3
1.20 sec

Azimuthal Gap4
105°

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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