USGS National-Strong Motion Program
Preliminary Corrected Peak Ground Acceleration and Velocity Values for
February 28, 2001, Nisqually, WA Earthquake (posted 02/28/2001; updated 10/28/2003)
Mw 6.8, 02/28/2001, 18:54:31 UTC, 10:54:31 AM PST, 47.167 N, 122.733W, 59 km depth
Time Series data are available for recorders with channel numbers listed with bold type
Sta	Inst	Inst	State	City: Recorder Name; location	Owner	Lat	Lon	Dist	Az	Ch	Sensor	Orient	PGA	PGV
No	type	S/N				deg	deg	km	deg	No	type	deg	cm/s/s	cm/s
2130	SMA1	777	WA	Tacoma; VA Hospital; Bldg 81; basement	VA	47.134	-122.575	12.5	107	1	SMA1	327	151.60	5.77
										2	SMA1	UP	155.40	3.16
										3	SMA1	237	133.90	10.38
7008	SMA1	5121	WA	Olympia; Halverson Residence	USGS	47.125	-122.929	15.6	253	1	SMA1	360	-151.70	6.32
										2	SMA1	UP	114.60	-5.21
										3	SMA1	270	-107.60	-11.85
2101	K2	730	WA	Olympia; WDOT Highway Test Lab	USGS	47.047	-122.899	18.3	223	1	FBA	180	-217.70	21.31
										2	FBA	UP	-86.05	-6.37
										3	FBA	270	250.10	-16.47
2127	SMA1	639	WA	McChord AFB; Bldg 1179; ground level	USGS	47.150	-122.485	18.9	96	1	SMA1	360	95	**
										2	SMA1	UP	78	**
										3	SMA1	270	78	**
7015	MtWh	141	WA	Olympia; DNR, 16-ch structural array	WDNR	47.038	-122.897	19.0	221
				Parking level 3 (ground) at M-16.5						1	Episensor	90	144.30	12.94
				Parking level 3 (ground) at M-16.5						2	Episensor	UP	-92.25	8.61
				Parking level 3 (ground) at M-16.5						3	Episensor	360	215.40	-24.52
				Parking level 2 (ceiling) at K/L-27						4	FBA-11	360	-271.50	-26.21
				Parking level 2 (ceiling) at K/L-27						5	FBA-11	90	-252.70	18.04
				sensor not installed						6	N/A	N/A	N/A
				Parking level 3 (floor) at F-27						7	FBA-11	360	-240.50	-24.25
				Parking level 3 (floor) at F-27						8	FBA-11	UP	-81.22	6.90
				Parking level 2 (ceiling) at M-16.5						9	FBA-11	360	229.40	-24.76
				5th level (floor) West end at M-16.5						10	FBA-11	360	374.40	-35.07
				5th level (floor) East end at K/L-27						11	FBA-11	360	-252.90	35.03
				5th level (floor) East end at K/L-27						12	FBA-11	270	322.80	-31.26
				5th level (slab below raised floor) at L-22						13	FBA	360	inst failed
				6th level (ceiling) at M-16.5						14	FBA	360	inst failed
				Penthouse level (floor) at L-22						15	FBA	360	inst failed
				Penthouse level (floor) at K/L-27						16	FBA	360	inst failed
				Penthouse level (floor) at K/L-27						17	FBA	090	inst failed
				sensor not installed						18	N/A	N/A	N/A
2193	K2	725	WA	Gig Harbor; Fire Station	USGS	47.320	-122.586	20.2	33	1	FBA	270	-115.30	-11.71
										2	FBA	UP	-89.59	3.20
										3	FBA	360	-103.10	-12.48
2194	ETNA	1437	WA	Shelton; Fire Station	USGS	47.214	-123.101	28.4	281	1	FBA	270	96.71	-17.28
										2	FBA	UP	58.67	5.92
										3	FBA	360	95.15	8.48
7030	ETNA	1421	WA	Seattle; SeaTac Airport Fire Station	USGS	47.450	-122.302	45.3	46	1	FBA	200	-124.20	12.46
										2	FBA	UP	-103.80	5.41
										3	FBA	290	188.10	-18.12
7034	ETNA	1422	WA	Bremerton; Fire Station	USGS	47.569	-122.628	45.4	10	1	FBA	100	188.60	12.31
										2	FBA	UP	-75.21	5.07
										3	FBA	190	164.50	-11.22
7032	ETNA	1416	WA	West Seattle; Fire Station #29	USGS	47.584	-122.383	53.4	30	1	FBA	125	-149.40	14.44
										2	FBA	UP	-84.76	-6.21
										3	FBA	215	-137.20	14.89
7027	K2	727	WA	Seattle; Fire Station #28	USGS	47.548	-122.277	54.6	39	1	FBA	360	-62.50	-5.11
										2	FBA	UP	-37.36	2.90
										3	FBA	90	76.86	4.39
2129	SMA1	775	WA	Seattle; VA Hospital; Bldg 100; basement	VA	47.565	-122.309	54.6	36	1	SMA1	360	44	**
										2	SMA1	UP	38	**
										3	SMA1	270	49	**
7010	ETNA	1423	WA	Seattle; Crowne Plaza Hotel, bsmnt, level D	USGS	47.608	-122.332	57.6	32	1	FBA	58	77.02	-8.71
										2	FBA	UP	-63.65	3.12
										3	FBA	148	88.04	7.34
7010	K2	1032	WA	Seattle; Crowne Plaza Hotel, 12-ch Bldg. Array	USGS	47.608	-122.332	57.6	32
				basement level, east end (floor)						1	FBA	148	117.00	11.54
				34th level, west end (ceiling)						2	FBA	148	-233.40	23.27
				16th level, west end (ceiling)						3	FBA	148	-182.40	13.44
				34th level, east end (ceiling)						4	FBA	148	174.90	20.62
				16th level, east end (ceiling)						5	FBA	148	-147.40	12.58
				1st (ground) level, east end (floor)						6	FBA	148	154.20	13.44
				1st (ground) level, west end (floor)						7	FBA	148	-162.60	12.79
				34th level, west end (ceiling)						8	FBA	58	-250.90	20.64
				16th level, west end (ceiling)						9	FBA	58	-207.20	16.21
				1st (ground) level, west end (floor)						10	FBA	58	-157.10	-16.67
				basement level, east end (floor)						11	FBA	UP	-87.47	4.33
				basement level, west end (floor)						12	FBA	UP	-89.95	4.74
2164	SMA1	1251	WA	Mud Mtn Dam; right abutment (downstream)	ACOE	47.142	-121.946	59.7	92	1	SMA1	360	93	**
										2	SMA1	UP	63	**
										3	SMA1	270	112	**
2164	SMA1	1234	WA	Mud Mountain Dam; crest	ACOE	47.139	-121.932	60.8	93	1	SMA1	360	power
										2	SMA1	UP	supply
										3	SMA1	270	failure
2164	SMA1	1248	WA	Mud Mountain Dam; toe	ACOE	47.138	-121.934	60.7	93	1	SMA1	360	power
										2	SMA1	UP	supply
										3	SMA1	270	failure
7037	ETNA	2147	WA	Seattle; Ship Canal Locks	ACOE	47.665	-122.397	60.9	24	1	Episensor	120	-56.24	-8.93
										2	Episensor	30	63.05	-9.77
										3	Episensor	UP	26.84	3.28
2181	K2	720	WA	Seattle; Ship Canal Bridge	USGS	47.655	-122.322	62.5	30	1	FBA	360	71.77	-7.78
										2	FBA	UP	-34.29	4.19
										3	FBA	90	-61.93	-5.76
2158	SMA1	1235	WA	Wynoochee Dam; abutment	TPU	47.39	-123.60	70.1	291	1	SMA1	144	15.49	1.15
										2	SMA1	UP	-11.38	-0.94
										3	SMA1	54	17.30	-0.91
2158	SMA1	1236	WA	Wynoochee Dam; upper gallery	TPU	47.39	-123.60	70.1	291	1	SMA1	144	18.07	-1.18