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

Table 7

Reduced search space of three clusters.

Parameters	Cluster 1		Cluster 2		Cluster 3
	LB	UB	LB	UB	LB	UB
(km)	6.26911	6.41034	6.27024	6.37718	6.22817	6.3297
(km)	-7.9826	-7.87204	-8.2007	-8.06074	-8.10795	-7.98743
Depth (km)	4.83734	5.19459	5.28377	5.54763	5.18088	5.49678
Strike (deg.)	224.9835	231.7157	232.4768	236.8167	231.5858	236.5544
Dip (deg.)	42.61413	44.68897	44.99918	46.47305	44.35434	46.34576
Length (km)	4.19294	4.92414	1.13009	3.04056	1.7581	4.19284
Width (km)	5.7689	6.45088	4.67679	5.51209	5.34835	6.08954
Rake (deg.)	127.4311	131.1753	132.5249	135.0445	131.1863	135.0024
Slip (mm)	170	230	330	950	220	520