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
										2	SMA1	UP	20.87	-0.83
										3	SMA1	54	35.44	1.04
2158	SMA1	1250	WA	Wynoochee Dam; lower gallery	TPU	47.39	-123.60	70.1	291	1	SMA1	144	9.31	-0.93
				[note: instrument = 1/2 g full scale]						2	SMA1	UP	13.06	-0.74
										3	SMA1	54	9.91	0.61
2189	SMA1	3348	WA	Howard Hanson Dam; left abutment	ACOE	47.280	-121.790	72.5	80	1	SMA1	50	-102.30	5.70
										2	SMA1	UP	-65.37	3.92
										3	SMA1	320	-103.70	-7.88
2189	SMA1	3345	WA	Howard Hanson Dam; crest	ACOE	47.278	-121.787	72.7	80	1	SMA1	50	502.80	-18.43
				(Recorded motions are suspect due to						2	SMA1	UP	330.30	-10.13
				damage to instrument enclosure)						3	SMA1	320	-1353.00	40.66
2189	SMA1	3349	WA	Howard Hanson Dam; toe	ACOE	47.279	-121.787	72.7	80	1	SMA1	50	62.11	5.30
										2	SMA1	UP	-44.85	3.74
										3	SMA1	320	-78.50	-7.35
7012	SMA1	4152	WA	Mossyrock Dam; mid gallery, right	TPU	46.53	-122.42	74.7	161	1	SMA1	335	-21.77	2.64
										2	SMA1	UP	14.82	-1.02
										3	SMA1	245	-21.32	1.79
7012	SMA1	4317	WA	Mossyrock Dam; mid gallery, center	TPU	46.53	-122.42	74.7	161	1	SMA1	335	-21.25	2.04
										2	SMA1	UP	18.62	-1.19
										3	SMA1	245	48.74	2.87
7012	SMA1	4350	WA	Mossyrock Dam; crest	TPU	46.53	-122.42	74.7	161	1	SMA1	355	173.40	-7.25
										2	SMA1	UP	-21.47	-1.33
										3	SMA1	265	-167.20	-9.95
7040	ETNA	2045	WA	Port Gamble; Museum	USGS	47.856	-122.584	77.4	8	1	Episensor	360	-49.04	-4.06
										2	Episensor	270	63.81	-4.04
										3	Episensor	UP	31.58	1.56
7035	ETNA	1412	WA	Aberdeen; Fire Station	USGS	46.972	-123.826	85.8	256	1	FBA	360	84.57	5.92
										2	FBA	UP	-27.11	-2.11
										3	FBA	90	66.60	-5.50
7007	SMA1	6818	WA	Toutle River Dam; left abutment (downstream)	ACOE	46.366	-122.560	90.0	171	1	SMA1	055	37	**
										2	SMA1	UP	15	**
										3	SMA1	325	26	**
7007	SMA1	6817	WA	Toutle River Dam; downstream	ACOE	46.365	-122.554	90.2	171	1	SMA1	055	98	**
										2	SMA1	UP	44	**
										3	SMA1	325	129	**
7007	SMA1	6816	WA	Toutle River Dam; mid-dam	ACOE	46.362	-122.553	90.5	171	1	SMA1	055	51	**
										2	SMA1	UP	53	**
										3	SMA1	325	52	**
7007	SMA1	6815	WA	Toutle River Dam; crest	ACOE	46.362	-122.551	90.6	171	1	SMA1	055	71	**
										2	SMA1	UP	41	**
										3	SMA1	325	74	**
7007	SMA1	6814	WA	Toutle River Dam; left abutment	ACOE	46.360	-122.556	90.7	171	1	SMA1	055	26	**
										2	SMA1	UP	12	**
										3	SMA1	325	26	**
7039	K2	717	WA	Quinault Lake; Ranger Station	USGS	47.468	-123.847	90.6	292	1	FBA	360	19.43	1.10
										2	FBA	UP	-8.95	-0.56
										3	FBA	90	-16.58	-1.85
2199	SMA1	5131	WA	Tolt River Dam: toe	SLP	47.69	-121.69	97.8	53	1	SMA1	155	-122.30	4.35
										2	SMA1	UP	57.24	-2.08
										3	SMA1	065	-130.00	6.06
2199	SMA1	5132	WA	Tolt River Dam: crest	SLP	47.69	-121.69	97.8	53	1	SMA1	345	252.30	-8.76
										2	SMA1	UP	99.50	-2.88
										3	SMA1	255	-170.40	-7.21
2199	SMA1	5133	WA	Tolt River Dam: abutment	SLP	47.69	-121.69	97.8	53	1	SMA1	dead	battery
										2	SMA1	dead	battery
										3	SMA1	dead	battery
7031	ETNA	1418	WA	Everett; Fire Station #2	USGS	47.997	-122.199	100.6	23	1	FBA	180	-30.40	2.79
										2	FBA	UP	-18.79	-2.00
										3	FBA	270	-39.75	-2.61
7029	ETNA	1420	WA	Port Townsend; Fort Worden State Park	USGS	48.134	-122.766	107.5	359	1	FBA	360	-53.74	4.75
										2	FBA	UP	-17.32	-1.51
										3	FBA	90	-33.98	2.38
7041	K2	585	WA	Port Angeles; Fire Station	USGS	48.115	-123.437	117.9	334	1	FBA	25	35.05	2.85
										2	FBA	UP	-14.91	1.35
										3	FBA	115	39.35	3.42
7026	K2	718	WA	Stanwood; Camano Island Fire Station #1	USGS	48.243	-122.455	121.4	10	1	FBA	360	-75.48	3.46
										2	FBA	UP	-22.59	1.26
										3	FBA	90	-54.83	2.50
7033	ETNA	1419	WA	Anacortes; Fire Station	USGS	48.512	-122.613	149.8	3	1	FBA	90	-26.57	-2.23
										2	FBA	UP	-14.99	-1.66
										3	FBA	180	33.83	2.49
7028	K2	552	WA	Forks; La Push Coast Guard Station	USGS	47.913	-124.635	165.5	301	1	FBA	360	15.34	1.35
										2	FBA	UP	3.86	0.51
										3	FBA	90	-18.93	-1.35
7000	SMA1	771	WA	Vancouver; VA Hospital; Bldg 4; basement	VA	45.64	-122.66	169.8	178	1	SMA1	360	16	**
										2	SMA1	UP	11	**
										3	SMA1	270	22	**
2161	K2	1535	WA	Chief Joseph Dam; upper gallery	ACOE	47.995	-119.635	250.6	67	1	Episensor	198	-7.11	0.43
				upper gallery						2	Episensor	108	10.75	0.42
				upper gallery						3	Episensor	UP	3.08	0.35
				lower gallery						4	Episensor	198	-2.77	-0.32
				lower gallery						5	Episensor	108	2.29	-0.28
				lower gallery						6	Episensor	UP	2.39	0.34
7009	K2	1164	WA	Ice Harbor Dam; lower gallery	ACOE	46.249	-118.880	311.8	108				Not visited
7009	K2	1163	WA	Ice Harbor Dam; upper gallery	ACOE	46.249	-118.880	311.8	108				Not visited
2124	SMA1	776	WA	Walla Walla; VA Hosp; Bldg 109	VA	46.055	-118.354	357.4	109				No trigger
7036	K2	1165	WA	Walla Walla; Mill Creek Dam; crest	ACOE	46.064	-118.264	363.5	108				No trigger
2123	SMA1	772	WA	Spokane; VA Hosp; Bldg 3, Engineering Shop	VA	47.700	-117.480	400.6	80				Not visited
					ACOE		U.S. Army Corps of Engineers
					SLP		Seattle Light and Power
					TPU		Tacoma Public Utilities
					VA		Veterans Administration
					WDNR		Washington Dept. of Natural Resources
		**		data not processed yet
		Note: Peak accel values for SMA1 recorders were scaled from analog film records