Summary of controlling seismic events

1 January 2000

Summary of controlling seismic events: seismic stability evaluation of Anderson Dam, Santa Clara County, CaliorniaNotes1 PGA (peak ground acceleration at bedrock) and spectral accelerations (SA) were computed using all five NGA attenuation relationships.2 The Range Front fault (i.e. the southern continuation of the Coyote Creek fault) is considered non-seismogenic. Fault Type: RV = Reverse, SS = Strike slipHW: Yes = on hanging wall. No = on foot wallRmap = map distanceRjb = Joyner-Boore DistanceRrup = fault rupture distance

Fault	Fault parameters		Distance (km)		Average PGA1		Average SA at 0.2 sec1		Average SA at 1.0 sec1		Arias intensity (m/sec)
	Type	Mmax	HW	rmap	rjb	rrup	PGAmed	PGA84th	0.2med	0.284th	1.0med	1.084th	Travasarou et al 2003		Watson-Lamprey 2007
													AImed	AI84th	AImed	AI84th
Coyote Creek2	RV	6.6	Yes	0.0	0.0	0.0	0.66	1.14	1.49	2.74	0.49	0.94	2.49	7.24	2.29	3.22
Calaveras	SS	7.25	No	2.0	2.0	2.0	0.50	0.85	1.15	2.07	0.44	0.84	2.95	8.45	2.66	3.73
San Andreas	SS	7.9	No	20.6	20.6	20.6	0.22	0.37	0.47	0.85	0.21	0.40	1.09	3.08	0.91	1.28

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