USGS National Engineering Strong-Motion Program
Preliminary Corrected Peak Ground Acceleration and Velocity and Pseudo-Spectral Acceleration Values for
January 30, 2009, Seattle-Tacoma Urban Area, Washington Earthquake (posted 02/03/2009)
Mw 4.5, 01/30/2009, 13:25 UTC, 01/30/2009, 05:25 AM PST, 47.785 N, 122.568 W, 58.3 km depth, Regional Network ID# uw01301325
Sta	Inst	Inst	State: City; Recorder Location	Owner	Lat	Lon	Dist	Az	Ch	Sensor	Orient	PGA	PGV	PSA at:
Code	type	S/N			deg	deg	km	deg	No	type	deg	cm/s/s	cm/s	0.3 s	1.0 s	3.0 s
7029	Etna	1420	WA:Pt Townsend;Ft Worden State Park	USGS	48.1344	-122.7652	41.5	339	1	FBA-2g	360	-12.4	-0.616	3.26	0.26	0.0273
									2	FBA-2g	UP	2.9	0.113	0.46	0.13	0.0067
									3	FBA-2g	90	7.5	-0.467	2.33	0.24	0.0167
7026	Etna	3961	WA:Stanwood;Camano Island Fire Sta 1	USGS	48.2431	-122.4546	51.6	9	1	EpiSen	90	5.7	-0.249	0.90	0.09	0.0102
									2	EpiSen	360	-9.3	-0.454	2.08	0.18	0.0204
									3	EpiSen	UP	-3.6	-0.072	0.36	0.04	0.0030