20130721 05:09:31 UTC : Blenheim, New Zealand EARTHQUAKE
earthquake monitor,New Zealand earthquake, earthquake realtime
Magnitude: 6.5
Event Time: Time and Date Starting of Earthquake Rupture
 20130721 05:09:31 UTC
 20130721 17:09:31 UTC+12:00 at epicenter
Earthquake data:
Location : Position of Epicenter
41.713°S 174.443°E
41.713°S 174.443°E
Depth : Depth of starting Rupture
14.0km (8.7mi)
Region : Blenheim, New Zealand
Directions and Distances :Directions and Distances from Geographical Reference in Close Proximity Which can be effected by Location Uncertainty
14.0km (8.7mi)
a) 46km (29mi) ESE of Blenheim, New Zealand
b) 53km (33mi) SSW of Karori, New Zealand
c) 54km (34mi) SSW of Wellington, New Zealand
d) 67km (42mi) SW of Lower Hutt, New Zealand
e) 67km (42mi) SW of Lower Hutt, New Zealand
d) 67km (42mi) SW of Lower Hutt, New Zealand
e) 67km (42mi) SW of Lower Hutt, New Zealand
Location Uncertainty:
Parameter

Value

Uncertainty

Magnitude^{}

6.5 Mww



Location^{}

41.713°S, 174.443°E

± 12.9 km

Depth

14.0 km

± 2.6 km

Number of Phase Applied^{1}

109


Minimum Distance^{2}

50.1 km (0.45°)


Travel Time Residual^{3}

0.89 sec


Azimuthal Gap^{4}

36°

^{1}Number 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.
^{2}Minimum Distance:
Horizontal distance of nearest Station measured in Km from epicenter. The smaller the more accuracy in prediction of depth of EQ.
^{3}Travel 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.
^{4}Azimuthal 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)
No comments:
Post a Comment