Search Space Reduction for Determination of Earthquake Source Parameters Using PCA and -Means Clustering

Table 8

Search space size derived from conventional seismological studies and our proposed algorithm.

Parameters	Conventional approach	Our approach	Reduction ratio (%)
(km)	5.2	0.1412	97.3
(km)	6.0	0.1106	98.2
Depth (km)	1.6	0.3573	77.7
Strike (deg.)	15.0	6.7322	55.1
Dip (deg.)	22.0	2.0748	90.6
Length (km)	2.5	0.7312	70.8
Width (km)	2.7	0.6820	74.7
Rake (deg.)	30.0	3.7442	87.5
Slip (mm)	290	60	79.3