Phase Data
22 MAR 2006 ( 81)
ot = 17:24:31.66 +/- 0.66 WESTERN MONTANA
lat = 48.892 +/- 6.1
lon = -115.307 +/- 4.7 MAGNITUDE 3.9 (GS)
dep = 5.0 (geophysicist)
60 km (35 miles) NNE of Libby, Montana (pop 2,600)
75 km (50 miles) SSE of Cranbrook, British Columbia, Canada (pop 18,000)
210 km (130 miles) NE of Spokane, Washington
355 km (220 miles) NW of HELENA, Montana
nph = 17 of 50 se = 0.54 FE=456 A
error ellipse = (153.7, 0.0, 8.5; 63.7, 0.0, 5.4; 0.0, 0.0, 0.0)
mb = 3.6 ( 1) ML = 3.9 ( 10) mblg = 0.0 ( 0) md = 3.5 ( 2) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
WALA eP 17:24:49.47 -0.1 0.9 79 d:3.8+2 3.7 L:1.1+0 .35 3.1 WALA
eS 17:25:01.03 S res = -0.6X
NEW ePn 17:24:57.91 0.6 1.4 243 d:2.4+2 3.4 L:5.9+0 .43 4.0 NEW
eSn 17:25:15.11 S res = -0.6X
MSO ePn 17:25:09.36 -0.4 2.3 155 d:2.8+2 3.8X L:5.1-1 .48 3.5 MSO
eS 17:25:38.44 S res = 0.4X
CHMT ePn 17:25:11.29 -0.7 2.4 144 d:3.6+2 4.1X CHMT
eSn 17:25:40.11 S res = -1.9X
HRY ePn 17:25:22.82 0.1 3.2 132 d:3.3+2 4.3X HRY
HAWA ePn 17:25:30.38 -0.4 3.8 230 d:2.3+2 4.1X L:3.1-2 .53 3.0 HAWA
ePg 17:25:42.21 -2.2X
eSg 17:26:31.83 S res = -1.7X
EGMT ePn 17:25:31.66 0.8 3.8 101 d:3.6+2 4.6X L:5.3-1 .55 4.2 EGMT
ePg 17:25:39.58 -4.8X
eSg 17:26:25.54 S res = -8.0X
DLMT ePn 17:25:32.92 -0.6 4.0 151 d:2.8+2 4.4X L:3.3-1 .75 4.1 DLMT
eSg 17:26:34.51 S res = -5.1X
BOZ ePn 17:25:35.49 0.4 4.1 141 d:3.3+2 4.6X L:1.0-1 .40 3.6 BOZ
ePg 17:25:46.51 -3.7X
eSg 17:26:38.53 S res = -4.7X
BMO ePn 17:25:37.57 0.2 4.3 199 d:2.7+2 4.4X L:1.5-1 .75 3.8 BMO
eSg 17:26:41.92 S res = -6.7X
MCMT ePn 17:25:39.15 -0.2 4.4 157 d:2.7+2 4.5X MCMT
QLMT ePn 17:25:45.04 -0.5 4.9 145 d:2.2+2 4.4X QLMT
eSg 17:27:01.49 S res = -6.0X
GCMT ePn 17:25:46.82 0.3 4.9 127 d:3.4+2 4.9X GCMT
ePg 17:25:59.59 -6.5X
eSg 17:27:04.73 S res = -5.2X
YMR ePn 17:25:50.04 0.2 5.2 143 d:2.7+2 4.7X L:1.5-1 .60 4.1 YMR
eSg 17:27:10.26 S res = -7.4X b:3.4+1 .56 5.2X
HLID ePn 17:25:52.42 -0.1 5.4 173 d:2.8+2 4.8X L:1.4-1 .98 4.1 HLID
eSg 17:27:17.50 S res = -6.4X b:1.1+1 .45 4.8X
FLWY ePn 17:25:59.04 1.0 5.8 145 d:2.3+2 4.7X L:5.9-2 .73 3.8X FLWY
ePg 17:26:12.07 -10.0X b:1.6+1 .45 5.0X
qSg 17:27:30.06 S res = -6.7X
MOOW ePn 17:26:02.92 1.2X 6.0 147 d:2.4+2 4.9X L:4.8-2 .78 3.7X MOOW
eSg 17:27:37.99 S res = -7.4X b:4.1+0 .53 4.4X
LOHW ePn 17:26:04.72 0.6X 6.2 147 d:1.8+2 4.6X L:2.0-2 .65 3.4X LOHW
b:9.8+0 .58 4.8X
LAO ePn 17:26:10.09 2.0X 6.5 106 d:1.8+2 4.8X L:2.7-1 1.1 4.6X LAO
eSg 17:27:45.46 S res = -15.0X b:3.5+1 .55 5.5X
DGMT qPn 17:26:20.58 0.7X 7.4 89 d:5.4+1 3.8X L:4.4-2 .55 3.9X DGMT
eSg 17:28:15.19 S res = -12.9X b:2.3+1 .55 5.6X
HVU ePn 17:26:23.00 3.5X 7.3 165 d:5.0+0 1.5X L:5.9-3 .46 3.1X HVU
b:3.0+0 .46 4.8X
ELK ePn 17:26:32.27 1.5X 8.1 180 d:2.0+2 5.4X L:2.3-2 1.1 3.8X ELK
eSg 17:28:41.21 S res = -11.9X b:3.4+0 .60 4.8X
FFC ePn 17:26:56.75 -0.5 10.1 50 b:1.7+1 .70 5.6X FFC
RSSD P 17:27:18.48 34.5X 9.1 117 d:2.6+1 3.7X L:7.0-3 .50 3.4X RSSD
DLBC 17:27:28.20 -7.6X 12.9 323 DLBC
YKW3 P 17:27:43.70 -2.8X 13.7 1 YKW3
FCC ePn 17:28:07.53 -8.1X 15.9 44 b:2.3+0 .45 3.6 FCC
Generated 2006 MAR 22 at 17:54 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
