Phase Data
Explanation of Parameters
8 MAY 2007 (128)
ot = 15:46:49.11 +/- 0.00 WESTERN MONTANA
lat = 45.394 +/- 0.0
lon = -112.130 +/- 0.0 MAGNITUDE 4.7 (BUT)
dep = 13.5 +/- 0.0
45 km (30 miles) ENE of Dillon, Montana (pop 3,700)
75 km (45 miles) SSE of Butte, Montana (pop 33,000)
90 km (55 miles) WSW of Bozeman, Montana (pop 27,000)
135 km (85 miles) S of HELENA, Montana (pop 25,000)
MD 4.7 (BUT). Several buildings slightly damaged at Sheridan.
Felt (V) at Sheridan and Twin Bridges; (IV) at Dillon, Norris and
Virginia City; (III) at Anaconda, Bozeman, Butte, Clancy,
Corvallis, Deer Lodge, Divide, Ennis, Gallatin Gateway, Hamilton,
Helena, Manhattan, Missoula, Salmon, Stevensville, Three Forks,
Victor and Whitehall; (II) at Boise, Florence and Great Falls.
Felt at Belgrade, Big Timber, Billings, Boulder, Cardwell,
Cascade, Darby, East Helena, Elk City, Fort Benton, Gardiner,
Garrison, Helmville, Leadore, Lewistown, Lincoln, Lolo, Moscow,
North Fork, Philipsburg, Pony, Radersburg, Silverstar, Sula and
Warm Springs. Also felt at Pullman, Washington.
nph = 151 of 207 se = 0.00 FE=456 held
error ellipse = ( 0.0, 0.0, 0.0; 0.0, 0.0, 0.0; 0.0, 0.0, 0.0)
mb = 4.8 ( 30) ML = 4.5 ( 26) mblg = 4.2 ( 65) md = 4.4 ( 4) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
DLMT ePg 15:46:55.30 -0.6 0.3 265 DLMT
eSg 15:46:59.33 S res = -1.2X
BOZ ePg 15:46:56.55 -1.2 0.4 54 BOZ
eSg 15:47:02.37 S res = -1.3X
QLMT ePg 15:47:02.93 -0.8 0.8 138 QLMT
MCMT ePg 15:47:03.29 -0.6 0.8 222 MCMT
YMR ePg 15:47:09.54 -0.8 1.1 131 L:2.9+1 .52 4.5 g:2.1+1 .86 5.2X YMR
eSg 15:47:26.76 S res = 2.1X
YNR ePg 15:47:11.98 -0.9 1.2 123 YNR
eSg 15:47:25.95 S res = -3.0X
HRY ePg 15:47:13.52 -1.3 1.3 9 HRY
YFT ePn 15:47:13.64 0.3 1.3 135 d:3.4+2 3.7 YFT
eSg 15:47:30.37 S res = -1.3X
LKWY ePn 15:47:17.00 1.4 1.5 123 L:5.6+0 .68 4.1 g:3.3+0 .68 4.6 LKWY
CHMT ePn 15:47:18.98 0.2 1.7 333 CHMT
IMW ePn 15:47:19.00 0.0 1.7 150 d:5.7+2 4.3 L:8.8+0 .43 4.4 IMW
eSn 15:47:41.69 S res = 0.8X g:3.3+0 .70 4.6
FLWY ePn 15:47:19.65 1.6 1.7 142 L:1.2+1 .60 4.5 g:7.2+0 .95 4.8 FLWY
eSn 15:47:43.20 S res = 3.9X
GCMT ePn 15:47:20.03 0.5 1.8 76 GCMT
MSO ePn 15:47:21.68 0.3 1.9 319 d:5.6+2 4.4 L:2.2+1 .93 4.9 MSO
eSn 15:47:47.05 S res = 1.7X g:1.7+1 .93 5.3X
MOOW ePn 15:47:23.26 1.6 1.9 148 d:5.5+2 4.4 L:5.9+0 .95 4.4 MOOW
eSn 15:47:47.70 S res = 2.0X g:4.9+0 .95 4.7
DCID1ePn 15:47:23.81 2.2 1.9 159 DCID
eSn 15:47:49.47 S res = 3.7X
RLMT ePn 15:47:24.35 1.3 2.0 97 L:9.2+0 .43 4.6 g:5.1+0 .63 4.9 RLMT
eSn 15:47:51.11 S res = 2.8X
TPAW ePn 15:47:25.46 1.5 2.1 156 d:5.3+2 4.4X L:5.3+0 .58 4.4 TPAW
eSn 15:47:52.41 S res = 2.6X g:4.6+0 .93 4.7
LOHW ePn 15:47:26.16 2.2 2.1 148 d:2.6+2 3.7X L:4.7+0 .85 4.3 LOHW
eSn 15:47:49.70 S res = -0.2X g:3.4+0 .85 4.6
SNOW ePn 15:47:27.52 2.4 2.2 152 d:3.4+2 4.0X L:4.0+0 .50 4.3 SNOW
eSn 15:47:56.94 S res = 5.0X g:3.4+0 .90 4.6
REDW ePn 15:47:27.85 2.0 2.2 155 d:5.2+2 4.4X L:4.1+0 .88 4.4 REDW
eSn 15:47:54.33 S res = 1.0X g:3.1+0 .88 4.6
AHID ePn 15:47:36.89 4.1 2.7 164 d:2.5+2 3.8X L:2.1+0 .50 4.4 AHID
eSn 15:48:13.45 S res = 7.7X g:1.7+0 1.0 4.3
EGMT ePn 15:47:38.54 0.9 3.1 31 L:9.2+0 .70 5.2 g:5.5+0 .70 5.1 EGMT
eSn 15:48:15.65 S res = 1.1X
BW06 ePn 15:47:43.39 3.9 3.2 144 L:4.8-1 .80 4.0 g:3.5-1 .88 3.8 BW06
eSn 15:48:21.17 S res = 3.5X
BMO ePn 15:47:46.19 0.2 3.7 263 d:5.9+2 5.0X L:2.1+0 .60 4.8 BMO
eS 15:48:41.41 S res = 2.2X g:2.6+0 1.1 4.6
HVU ePn 15:47:47.17 1.9 3.6 188 d:4.2+2 4.7X L:2.7+0 .72 4.9 HVU
eSn 15:48:41.03 S res = 12.9X g:2.3+0 .96 4.6
WALA ePn 15:47:49.11 0.9 3.9 342 L:4.5+0 .45 5.2 g:3.1+0 .95 4.8 WALA
eSg 15:48:49.60 S res = -3.5X
HWUT ePn 15:47:49.98 2.4 3.8 174 d:5.1+2 4.9X L:7.6-1 .80 4.4 HWUT
g:5.1-1 .80 4.1
LAO ePn 15:47:54.55 0.2 4.3 70 d:2.5+2 4.3X L:3.9+0 .70 5.3 LAO
eSn 15:48:49.85 S res = 5.3X g:2.6+0 .80 4.9
eSg 15:49:05.74 S res = -1.8X
SPUT ePn 15:47:56.26 4.8 4.1 183 d:3.1+2 4.5X SPUT
NEW ePn 15:47:56.74 0.2 4.5 312 d:4.8+2 5.1X L:5.1+0 .75 5.4 NEW
ePg 15:48:11.88 -2.8X g:5.0+0 .98 5.1
eSg 15:49:07.04 S res = -5.5X
BGU ePn 15:47:58.54 1.3 4.5 189 BGU
eSg 15:49:06.46 S res = -7.6X
CTU ePn 15:48:03.99 4.1 4.7 176 d:2.8+2 4.6X L:3.2-1 .72 4.3 CTU
eSg 15:49:20.12 S res = -0.1X g:3.0-1 .94 3.9
NOQ ePn 15:48:04.13 3.8 4.7 180 d:2.0+2 4.3X L:3.8-1 .60 4.4 NOQ
g:3.1-1 .82 4.0
JLU ePn 15:48:06.36 4.9 4.8 174 d:3.1+2 4.7X JLU
eSg 15:49:18.73 S res = -5.0X
HAWA ePn 15:48:08.28 0.9 5.3 284 d:4.2+2 5.2X L:2.1+0 .73 5.2 HAWA
eSg 15:49:36.14 S res = -1.8X g:1.5+0 .85 4.7 b:2.1+2 .40 6.1X
DAU ePn 15:48:09.23 4.9 5.0 172 d:4.2+2 5.1X DAU
ePg 15:48:22.37 -2.9X
eSg 15:49:32.03 S res = 1.8X
RWWY ePn 15:48:10.89 4.8 5.1 134 d:4.7+2 5.3X L:6.4-1 .85 4.7 RWWY
g:4.6-1 .85 4.2 b:1.9+2 .53 5.9X
DUG ePn 15:48:12.42 5.5 5.2 186 d:3.0+2 4.8X L:4.1-1 .95 4.5 DUG
g:3.4-1 .95 4.0 b:1.8+2 .73 5.8X
MPU ePn 15:48:12.99 3.7 5.4 176 d:2.2+2 4.6X L:1.3-1 .68 4.0 MPU
g:8.0-2 .72 3.6 b:7.4+1 .68 5.4X
WVOR ePn 15:48:13.20 1.7 5.6 240 d:4.0+2 5.2X L:8.2-1 .85 4.9X WVOR
eSg 15:49:46.30 S res = -1.0X g:5.9-1 .85 4.4 b:3.2+2 .83 6.0X
NLU ePn 15:48:13.56 3.6 5.4 180 d:2.3+2 4.7X NLU
DGMT ePn 15:48:21.65 0.8 6.2 58 d:3.8+2 5.4X L:2.7+0 .73 5.5X DGMT
eSg 15:50:00.13 S res = -9.2X g:2.3+0 .93 5.0 b:1.7+3 .73 7.0X
PHWY ePn 15:48:26.37 3.7 6.4 128 d:4.1+2 5.5X PHWY
eSn 15:50:05.16 S res = 30.0X
MOD ePn 15:48:31.54 1.8 6.9 242 d:2.7+2 5.3X L:2.3-1 .83 4.5X MOD
eSg 15:50:27.17 S res = -2.6X g:1.9-1 .95 4.0 b:1.7+2 .88 6.1X
MSU ePn 15:48:34.33 4.6 6.9 180 d:4.3+2 5.7X MSU
SMCO ePn 15:48:39.10 3.5 7.3 147 d:4.5+2 5.9X L:2.3-1 1.3 4.6X SMCO
g:1.3-1 1.0 3.8 b:6.8+1 .70 5.9X
ISCO ePn 15:48:40.96 4.3 7.4 137 d:5.9+2 6.2X L:1.2-1 .75 4.3X ISCO
g:1.1-1 1.0 3.8 b:7.4+1 .75 5.9X
PV10 ePn 15:48:41.27 4.6 7.4 161 d:3.3+2 5.6X PV10
EDM ePn 15:48:42.30 -0.9 7.9 355 EDM
ePg 15:49:13.71
PAHR ePn 15:48:44.07 1.6 7.8 226 d:2.3+2 5.4X L:1.3-1 1.0 4.5X PAHR
eSg 15:50:53.01 S res = 15.8X g:1.3-1 1.0 3.9 b:6.0+1 .86 5.8X
ARUT qPn 15:48:44.14 3.7 7.7 188 d:3.0+2 5.6X ARUT
PV01 ePn 15:48:44.86 3.5 7.7 159 PV01
eS 15:50:42.75 S res = 7.8X
CCUT ePn 15:48:49.84 6.2 7.9 187 d:3.2+2 5.8X CCUT
eSg 15:50:59.96 S res = 20.2X
NLWA ePn 15:48:50.70 0.8 8.4 288 d:2.7+2 5.7X L:2.9-1 1.0 4.9X NLWA
g:2.8-1 1.0 4.3 b:3.0+1 .85 5.6X
HUMO ePn 15:48:50.87 2.0 8.3 254 d:2.7+2 5.7X L:2.6-2 .53 3.8X HUMO
g:2.8-2 .98 3.3 b:1.3+1 .53 5.4X
PGC ePn 15:48:50.93 0.7 8.4 297 d:2.9+2 5.8X L:8.7-1 .88 5.4X PGC
eSg 15:51:06.55 g:6.5-1 .88 4.7 b:4.3+1 .58 5.9X
YBH ePn 15:48:53.51 1.5 8.5 248 d:2.2+2 5.6X L:3.8-2 1.0 4.1X YBH
g:3.5-2 1.0 3.4 b:3.5+1 1.0 5.6X
NVAR Pn 15:48:54.63 4.8 8.3 216 NVAR
Pg 15:49:18.45
Lg 15:51:10.88
TPNV ePn 15:49:02.46 3.8 9.0 202 d:3.5+2 6.2X L:5.5-2 .85 4.3X TPNV
g:4.6-2 .98 3.6 b:2.7+1 .98 5.5X
SDCO ePn 15:49:03.48 3.0 9.1 145 L:2.8-2 .93 4.0X g:2.3-2 .93 3.3 SDCO
b:8.1+3 1.2 7.9X
OHCM ePn 15:49:03.59 2.3 9.2 232 d:2.1+2 5.7X OHCM
WDC ePn 15:49:05.31 6.4 9.0 241 d:1.6+1 3.1X L:1.2-2 .93 3.6X WDC
g:9.4-3 .93 2.9X b:9.4+0 .93 5.1X
MTUM ePn 15:49:08.32 4.4 9.4 213 d:2.3+2 5.9X MTUM
CMB qPn 15:49:10.40 3.5 9.6 223 d:2.4+2 6.0X L:3.3-2 1.1 4.2X CMB
g:3.6-2 1.1 3.4 b:2.6+1 1.2 5.5X
WUAZ ePn 15:49:15.62 4.7 9.9 176 d:3.6+2 6.5X L:4.0-2 .68 4.3X WUAZ
g:3.1-2 .85 3.5 b:2.4+1 .68 5.7X
NSHM ePn 15:49:18.61 0.9 10.4 232 NSHM
GSC ePn 15:49:26.97 5.1 10.7 201 g:9.5-3 .95 3.0X b:8.3+0 .85 5.1X GSC
ECSD ePn 15:49:28.16 -0.7 11.2 93 g:1.9-1 .98 4.3 b:4.7+1 .73 5.9X ECSD
FFC ePn 15:49:29.06 -2.1 11.4 31 g:2.8-1 .90 4.5 b:3.8+1 .45 6.0X FFC
CBKS qPn 15:49:31.95 1.7 11.3 121 g:1.7-1 1.0 4.3 b:1.1+2 .68 6.3X CBKS
AGMN ePn 15:49:32.58 -0.5 11.5 70 g:3.3-1 1.0 4.5 b:1.4+2 .70 6.4X AGMN
LENM qPn 15:49:32.92 -5.5 11.9 159 LENM
ANMO ePn 15:49:33.69 3.5 11.3 156 g:1.3-2 1.0 3.1X b:4.7+0 .50 5.1X ANMO
Lg 15:52:44.53
BNM qPn 15:49:34.67 -5.2 12.0 158 BNM
e 15:49:47.66 7.7X
SAO epP 15:49:36.04 8.4 11.1 222 g:1.5-2 .85 3.3 b:1.5+1 .85 5.3X SAO
ULM Pn 15:49:36.65 -2.3 12.0 60 ULM
Pg 15:50:26.15
Lg 15:52:53.70
LR 15:55:06.23
PFO Pn 15:49:50.45 7.4 12.2 197 PFO
Lg 15:53:18.98
LR 15:54:22.06
KSU1 qPn 15:49:58.06 3.4 13.1 113 g:1.8-2 .78 3.5 b:1.3+1 .50 5.3X KSU1
AMTX ePn 15:49:59.97 4.0 13.2 139 g:1.3-2 .83 3.4 b:1.3+1 .83 5.1X AMTX
EYMN ePn 15:50:08.49 -3.9 14.4 72 g:4.5-1 1.2 4.8 b:1.6+1 .68 4.8X EYMN
SCIA qPn 15:50:09.77 1.0 14.1 98 g:2.6-2 .85 3.7 b:2.1+1 .55 5.1X SCIA
MNTX ePn 15:50:17.17 1.2 14.6 157 g:1.5-2 .90 3.5 b:1.5+1 .90 4.5X MNTX
eP 15:50:22.43 0.2X
WMOK ePn 15:50:20.24 3.2 14.7 132 g:1.0-1 1.1 4.2 b:2.8+1 .68 4.9X WMOK
eP 15:50:26.23 3.1X
COWI ePn 15:50:30.33 -4.1 16.1 79 g:1.2-1 1.0 4.4 b:2.0+1 .68 4.4 COWI
JFWS qPn 15:50:32.13 -0.2 15.9 91 g:1.3-2 .73 3.6 b:1.3+1 .73 4.2 JFWS
YKA Pn 15:50:44.99 -3.7 17.2 356 YKA
Lg 15:55:41.65
FCC ePn 15:50:46.58 -3.4 17.3 33 g:6.4-2 .93 4.2 b:2.5-1 .30 2.8X FCC
HDIL ePn 15:50:48.84 -2.3 17.4 98 HDIL
CCM ePn 15:50:49.26 0.3 17.2 108 g:5.4-2 1.0 4.1 b:1.0+1 .60 4.1 CCM
DLBC ePn 15:50:49.31 2.6 17.0 326 DLBC
TXAR P 15:50:54.55 3.4 17.4 155 TXAR
LR 15:58:20.19
FVM ePn 15:50:56.77 0.5 17.8 107 g:2.8-2 .85 3.9 b:2.8+1 .85 4.4 FVM
MIAR ePn 15:50:56.89 0.0 17.8 121 g:1.4-2 .75 3.6 b:1.3+1 .68 4.2 MIAR
JCT ePn 15:50:57.23 1.4 17.8 143 g:2.2-2 1.0 3.7 b:2.2+1 1.0 4.2 JCT
BLO qP 15:51:22.69 2.6 19.9 99 g:4.1-2 .75 4.2 b:4.1+1 .75 4.8 BLO
SKAG eP 15:51:23.10 4.1 19.8 324 g:1.0+0 1.0 5.5X b:1.0+0 .88 3.1X SKAG
WVT eP 15:51:28.74 1.7 20.5 108 g:3.7-2 1.0 4.0 b:3.7+1 1.0 4.7 WVT
OXF eP 15:51:29.41 3.2 20.5 114 g:1.1-1 .98 4.5 b:1.1+2 .98 5.2 OXF
PLAL eP 15:51:34.04 1.5 21.0 111 g:3.8-2 .75 4.2 b:4.3+1 .55 5.0 PLAL
SADO P 15:51:56.75 1.1 23.2 80 SADO
DAWY eP 15:52:06.04 1.9 24.1 330 DAWY
MCWV eP 15:52:08.32 1.7 24.4 92 g:5.6-2 1.0 4.3 b:5.6+1 1.0 5.1 MCWV
SSPA eP 15:52:16.24 0.6 25.4 89 g:1.9-2 .85 4.0 b:1.6+1 .95 4.7 SSPA
INK eP 15:52:16.54 0.0 25.5 342 b:3.2+2 1.0 5.9X INK
LONY eP 15:52:29.53 4.4 26.4 78 g:1.1-2 .63 3.9 b:1.3+1 .55 4.8 LONY
NCB eP 15:52:33.33 4.4 26.8 79 g:1.2-2 .85 3.8 b:1.2+1 .85 4.6 NCB
MCK eP 15:52:34.92 -0.4 27.6 325 g:5.1-3 .94 3.4 b:5.1+0 .94 4.2 MCK
SVW2 eP 15:52:55.84 1.6 29.7 318 SVW2
SCHQ P 15:52:58.50 0.9 30.1 55 SCHQ
RES eP 15:52:59.16 -0.8 30.4 9 b:7.2+1 .58 5.7 RES
TTA eP 15:53:02.40 2.6 30.3 321 TTA
BILL eP 15:55:11.74 1.2 45.9 329 b:2.8+1 1.4 5.0 BILL
SDV eP 15:55:51.88 1.6 50.9 122 b:4.7+0 .80 4.5 SDV
ROSC P 15:56:01.69 2.4 52.1 129 ROSC
TIXI eP 15:56:24.08 0.3 55.6 340 b:1.6+1 1.2 4.9 TIXI
ARCESP 15:57:03.33 0.2 61.2 16 ARCE
NOA P 15:57:26.08 1.4 64.4 27 NOA
HFS P 15:57:35.07 0.8 65.9 26 HFS
YSS eP 15:57:41.69 0.5 67.0 314 b:3.7+1 1.3 5.4 YSS
FINESP 15:57:49.65 0.4 68.3 20 FINE
LPAZ P 15:58:20.70 0.3 73.2 136 LPAZ
BRG qP 15:58:21.78 1.5 73.4 32 b:2.3+0 1.0 4.2 BRG
GRA1 eP 15:58:21.80 2.1 73.3 35 b:6.0+0 .80 4.7 GRA1
GRF eP 15:58:21.80 2.1 73.3 35 b:6.0+0 .80 4.7 GRF
ESDC P 15:58:23.01 0.8 73.6 50 ESDC
KHC eP 15:58:29.50 1.7 74.6 34 KHC
GERESP 15:58:30.69 1.2 74.9 34 GERE
LR 16:31:54.01
MJAR P 15:58:40.72 0.8 76.7 309 MJAR
MODS eP 15:58:40.90 1.5 76.7 32 MODS
MAJO eP 15:58:41.16 1.3 76.7 309 b:1.1+1 .75 5.0 MAJO
VYHS eP 15:58:43.60 1.5 77.1 31 VYHS
STHS eP 15:58:44.40 1.9 77.2 29 b:6.0+0 .90 4.7 STHS
e 15:58:47.70 depth = 10.5X
KOLS eP 15:58:46.40 -0.3 78.0 29 KOLS
ARU eP 15:58:48.76 0.7 78.2 5 b:7.8+0 .85 4.8 ARU
KIEV eP 15:58:48.88 -1.2 78.6 24 b:7.6+0 .80 4.8 KIEV
AKASGP 15:58:50.55 0.5 78.6 24 AKAS
ZAA0 eP 15:58:57.29 -0.3 80.0 350 ZAA0
ZALV P 15:58:57.95 0.4 80.0 350 ZALV
SONM P 15:59:05.62 1.2 81.2 335 SONM
BRVK eP 15:59:08.35 0.5 81.9 359 b:1.8+1 .95 5.1 BRVK
BVAR P 15:59:08.59 0.5 81.9 358 BVAR
KURK eP 15:59:17.91 0.1 83.8 353 b:1.3+1 1.0 5.1 KURK
AKTK P 15:59:20.25 0.6 84.2 6 AKTK
CFAA P 15:59:31.67 0.9 86.4 144 CFAA
CPUP qP 15:59:34.62 0.5 87.0 133 b:6.6+0 .73 5.0 CPUP
MK31 eP 15:59:35.57 0.2 87.3 350 MK31
ePcP 15:59:38.48 1.0X
MKAR P 15:59:35.60 0.2 87.3 350 MKAR
PLCA P 16:00:05.22 1.2 93.5 150 PLCA
WRA PKP 16:05:40.28 0.2 120.3 272 WRA
ASAR PKP 16:05:46.20 0.9 123.1 269 ASAR
Generated 2007 JUN 3 at 13:28 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
