Electronic Supplement to
Fault Parameter Constraints Using Relocated Earthquakes: A Validation of First Motion Focal Mechanism Data

by Debi Kilb and Jeanne Hardebeck

Repeating Cluster #2

Strike
(314° expected)
Dip
(85° expected)
Rake
(±180° expected)
Method Event ID # FPFIT’s STDR
[assumed high quality if >0.65]
HASH’s FPU
[assumed high quality if ≤35°]
316° 77° 193° HASH 506342 -- 30.00
308° 74° 205° HASH 100242 -- 43.00
317° 84° 183° HASH 30067442 -- 30.00
320° 72° 198° HASH 75872 -- 38.50
318° 110° -164.78° NCEDC/FPFIT 506342 0.71 --
320° 90° 170.00° NCEDC/FPFIT 30067442 0.67 --
335° 123° -122.73° NCEDC/FPFIT 75872 0.57 --



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