Earthquake 51136961: 01/21/2004 06:23:00 GMT, M=3.53, N37.72 W121.82, 18.84km depth Seismic Stations WENL: Wente Vineyards (Berkeley Digital Seismic Network) Coordinates: N37.62 W121.76 HLE 0.0328 cm/s 0.1511 %g HLZ 0.0261 cm/s 0.1055 %g WDC: Whiskeytown (Berkeley Digital Seismic Network) Coordinates: N40.58 W122.54 HLE 0.0011 cm/s 0.0060 %g HLZ 0.0010 cm/s 0.0060 %g HLN 0.0013 cm/s 0.0041 %g SAO: San Andreas Geophysical Observatory (Berkeley Digital Seismic Network) Coordinates: N36.76 W121.45 HLE 0.0014 cm/s 0.0025 %g HLZ 0.0014 cm/s 0.0030 %g HLN 0.0015 cm/s 0.0029 %g PKD: Bear Valley Ranch (Berkeley Digital Seismic Network) Coordinates: N35.95 W120.54 HLE 0.0065 cm/s 0.0018 %g HLZ 0.0018 cm/s 0.0014 %g HLN 0.0010 cm/s 0.0008 %g PACP: Pacheco Peak (Berkeley Digital Seismic Network) Coordinates: N37.01 W121.29 HLE 0.0042 cm/s 0.0090 %g HLZ 0.0018 cm/s 0.0069 %g HLN 0.0055 cm/s 0.0092 %g ORV: Oroville Dam (Berkeley Digital Seismic Network) Coordinates: N39.55 W121.50 HLE 0.0009 cm/s 0.0026 %g HLN 0.0018 cm/s 0.0043 %g MHC: Lick Observatory (Berkeley Digital Seismic Network) Coordinates: N37.34 W121.64 HLE 0.0002 cm/s (T) 0.0006 %g (T) HLZ 0.0086 cm/s 0.0201 %g HLN 0.0109 cm/s 0.0291 %g JCC: Jacoby Creek (Berkeley Digital Seismic Network) Coordinates: N40.82 W124.03 HLE 0.0115 cm/s 0.0021 %g HLZ 0.0106 cm/s 0.0016 %g HLN 0.0092 cm/s 0.0016 %g HOPS: Hopland Field Station (Berkeley Digital Seismic Network) Coordinates: N38.99 W123.07 HLE 0.0009 cm/s 0.0010 %g HLZ 0.0008 cm/s 0.0008 %g HLN 0.0010 cm/s 0.0007 %g CVS: Carmenet Vineyards (Berkeley Digital Seismic Network) Coordinates: N38.35 W122.46 HLE 0.0037 cm/s 0.0077 %g HLZ 0.0021 cm/s 0.0057 %g HLN 0.0023 cm/s 0.0052 %g CMB: Columbia College (Berkeley Digital Seismic Network) Coordinates: N38.03 W120.39 HLE 0.0016 cm/s 0.0076 %g HLZ 0.0011 cm/s 0.0024 %g HLN 0.0018 cm/s 0.0042 %g BKS: Byerly Seismographic Vault (Berkeley Digital Seismic Network) Coordinates: N37.88 W122.24 HLE 0.0101 cm/s 0.0193 %g HLZ 0.0095 cm/s 0.0245 %g HLN 0.0084 cm/s 0.0230 %g BDM: Black Diamond Mines Park (Berkeley Digital Seismic Network) Coordinates: N37.95 W121.87 HLE 0.0135 cm/s 0.0274 %g HLZ 0.0126 cm/s 0.0299 %g HLN 0.0102 cm/s 0.0291 %g YBH: Yreka Blue Horn Mine (Berkeley Digital Seismic Network) Coordinates: N41.73 W122.71 HLE 0.0008 cm/s 0.0010 %g HLZ 0.0008 cm/s 0.0006 %g HLN 0.0006 cm/s 0.0011 %g CTA: Taylor (Northern California Seismic Network) Coordinates: N38.03 W122.02 HNE 0.0217 cm/s 0.0577 %g HNN 0.0266 cm/s 0.0826 %g CSL: San Leandro Hills (Northern California Seismic Network) Coordinates: N37.72 W122.12 ADE 0.1115 cm/s 0.2197 %g ADN 0.0576 cm/s 0.1399 %g CRPB: Russellman Park (Northern California Seismic Network) Coordinates: N37.91 W121.91 HNE 0.0335 cm/s 0.0950 %g HNN 0.0287 cm/s 0.0913 %g CRH: Round Hill (Northern California Seismic Network) Coordinates: N37.86 W121.99 HNE 0.0653 cm/s 0.1694 %g HNN 0.1139 cm/s 0.2877 %g CPM: Point Molate (Northern California Seismic Network) Coordinates: N37.95 W122.41 ADE 0.0051 cm/s 0.0229 %g ADN 0.0069 cm/s 0.0226 %g CPI: Pinole Ridge (Northern California Seismic Network) Coordinates: N37.99 W122.22 ADE 0.0222 cm/s 0.0912 %g ADN 0.0206 cm/s 0.0755 %g CDOB: Doolan Road (Northern California Seismic Network) Coordinates: N37.73 W121.83 HNE 0.2354 cm/s 0.5927 %g HNN 0.4390 cm/s 0.9372 %g CCO: Coe Ranch (Northern California Seismic Network) Coordinates: N37.26 W121.67 ADE 0.0105 cm/s 0.0198 %g ADN 0.0076 cm/s 0.0124 %g CBR: Bollinger Canyon (Northern California Seismic Network) Coordinates: N37.82 W122.06 ADE 0.0530 cm/s 0.1163 %g ADN 0.0864 cm/s 0.1364 %g CBP: Brushy Peak (Northern California Seismic Network) Coordinates: N37.75 W121.71 HNE 1.0013 cm/s (T) 4.1803 %g (T) HNN 0.6047 cm/s 3.0575 %g CAL: Calaveras Reservoir (Northern California Seismic Network) Coordinates: N37.45 W121.80 HNE 0.0158 cm/s 0.0330 %g HNN 0.0186 cm/s 0.0408 %g CAG: Angel Island (Northern California Seismic Network) Coordinates: N37.86 W122.42 HNE 0.0228 cm/s 0.0729 %g HNN 0.0127 cm/s 0.0515 %g CADB: Anderson Dam (Northern California Seismic Network) Coordinates: N37.16 W121.63 HNE 0.0047 cm/s 0.0158 %g HNN 0.0056 cm/s 0.0194 %g CYB: Yerba Buena Island (Northern California Seismic Network) Coordinates: N37.81 W122.36 ADE 0.0199 cm/s 0.0884 %g ADN 0.0221 cm/s 0.1084 %g JPSB: Pescadero (Northern California Seismic Network) Coordinates: N37.20 W122.35 HNE 0.0109 cm/s 0.0323 %g HNN 0.0203 cm/s 0.0620 %g JPC: Peters Ck (Northern California Seismic Network) Coordinates: N37.27 W122.21 HNE 0.0337 cm/s 0.0959 %g HNN 0.0304 cm/s 0.0740 %g JMGB: Milagra Ridge (Northern California Seismic Network) Coordinates: N37.64 W122.47 HNE 0.0221 cm/s 0.1053 %g HNN 0.0188 cm/s 0.0686 %g JJO: Saint Joseph's Hill (Northern California Seismic Network) Coordinates: N37.21 W121.98 HNE 0.0199 cm/s 0.0528 %g HNN 0.0201 cm/s 0.0638 %g JHU: Huhtala Ln (Northern California Seismic Network) Coordinates: N37.21 W122.17 HNE 0.0392 cm/s 0.1120 %g HNN 0.0319 cm/s 0.1104 %g JGR: El Granada (Northern California Seismic Network) Coordinates: N37.51 W122.46 HNE 0.0277 cm/s 0.1917 %g HNN 0.0310 cm/s 0.2208 %g JFP: Foothills Park (Northern California Seismic Network) Coordinates: N37.36 W122.19 HNE 0.0151 cm/s 0.0488 %g HNN 0.0197 cm/s 0.0631 %g JECB: Eureka Canyon (Northern California Seismic Network) Coordinates: N37.05 W121.81 HNE 0.0111 cm/s 0.0274 %g HNN 0.0081 cm/s 0.0183 %g JCH: Cahill Ridge (Northern California Seismic Network) Coordinates: N37.52 W122.38 ADE 0.0154 cm/s 0.0461 %g ADN 0.0182 cm/s 0.0548 %g JBR: Bear Creek Road (Northern California Seismic Network) Coordinates: N37.17 W122.01 HNE 0.0326 cm/s 0.1261 %g HNN 0.0630 cm/s 0.2015 %g JBN: Ben Lomand Mountain (Northern California Seismic Network) Coordinates: N37.12 W122.16 ADE 0.0209 cm/s 0.0919 %g ADN 0.0127 cm/s 0.0510 %g JBMB: Black Mountain (Northern California Seismic Network) Coordinates: N37.32 W122.15 HNE 0.0112 cm/s 0.0485 %g HNN 0.0197 cm/s 0.0769 %g JBG: Bear Gulch Road (Northern California Seismic Network) Coordinates: N37.34 W122.34 HNE 0.0597 cm/s 0.1285 %g HNN 0.0471 cm/s 0.0843 %g JSA: San Andreas Cal. (Northern California Seismic Network) Coordinates: N37.58 W122.42 HNE 0.0191 cm/s 0.0467 %g HNN 0.0259 cm/s 0.0896 %g NHF: Hamilton Field (Northern California Seismic Network) Coordinates: N38.05 W122.52 ADE 0.0145 cm/s 0.0610 %g ADN 0.0170 cm/s 0.0723 %g NGVB: Green Valley Road (Northern California Seismic Network) Coordinates: N38.28 W122.22 HNE 0.0043 cm/s 0.0115 %g HNN 0.0048 cm/s 0.0095 %g NFV: Forestville (Northern California Seismic Network) Coordinates: N38.47 W122.90 HNE 0.0018 cm/s 0.0053 %g HNN 0.0010 cm/s 0.0031 %g NEH: English Hill (Northern California Seismic Network) Coordinates: N38.34 W122.81 HNE 0.0086 cm/s 0.0269 %g HNN 0.0060 cm/s 0.0240 %g NEA: Estero Americano (Northern California Seismic Network) Coordinates: N38.31 W122.94 HNE 0.0049 cm/s 0.0215 %g HNN 0.0044 cm/s 0.0184 %g NBRB: Beebe Ranch (Northern California Seismic Network) Coordinates: N38.26 W122.55 HNE 0.1291 cm/s 0.3335 %g HNN 0.0024 cm/s 0.0053 %g NBO: Bolinas (Northern California Seismic Network) Coordinates: N37.92 W122.72 ADE 0.0163 cm/s 0.0530 %g ADN 0.0186 cm/s 0.0730 %g NAPC: Atlas Peak (Northern California Seismic Network) Coordinates: N38.44 W122.25 HNE 0.0038 cm/s 0.0061 %g HNN 0.0031 cm/s 0.0062 %g MMLB: Mammoth Lakes (Northern California Seismic Network) Coordinates: N37.66 W118.98 HHE 0.0015 cm/s 0.0043 %g HHN 0.0021 cm/s 0.0036 %g JUM: Mount Umunhum (Northern California Seismic Network) Coordinates: N37.16 W121.90 ADE 0.0314 cm/s 0.0938 %g ADN 0.0271 cm/s 0.0998 %g JSP: San Pedro Valley (Northern California Seismic Network) Coordinates: N37.59 W122.50 HNE 0.0236 cm/s 0.0989 %g HNN 0.0163 cm/s 0.0512 %g JSGB: Saratoga Golf Course N (Northern California Seismic Network) Coordinates: N37.28 W122.05 HNE 0.0140 cm/s 0.0454 %g HNN 0.0159 cm/s 0.0457 %g JSFB: Stanford Telescope (Northern California Seismic Network) Coordinates: N37.40 W122.18 HNE 0.0167 cm/s 0.0338 %g HNN 0.0158 cm/s 0.0498 %g JSB: San Bruno Mountain (Northern California Seismic Network) Coordinates: N37.67 W122.40 ADE 0.0233 cm/s 0.0966 %g ADN 0.0242 cm/s 0.0904 %g NHM: Hamilton Ranch (Northern California Seismic Network) Coordinates: N38.15 W121.80 HNE 0.0199 cm/s 0.0361 %g HNN 0.0279 cm/s 0.0391 %g 1771: CA: San Francisco; Fire Station 08, China Basin (National Strong-Motion Program) Coordinates: N37.78 W122.40 HNE 0.0130 cm/s 0.0427 %g HNN 0.0105 cm/s 0.0350 %g 1770: CA: San Francisco; Fire Station 07, Mission (National Strong-Motion Program) Coordinates: N37.76 W122.42 HNE 0.0228 cm/s 0.0679 %g HNN 0.0186 cm/s 0.0564 %g 1768: CA: Petaluma, Fire Station 1 (National Strong-Motion Program) Coordinates: N38.23 W122.64 HNE 0.0110 cm/s 0.0337 %g HNN 0.0100 cm/s 0.0361 %g 1767: CA: Santa Rosa, Fire Station 1 (National Strong-Motion Program) Coordinates: N38.44 W122.70 HNE 0.0082 cm/s 0.0175 %g HNN 0.0079 cm/s 0.0129 %g NTYB: Taylor Mountain (Northern California Seismic Network) Coordinates: N38.39 W122.66 HNE 0.0025 cm/s 0.0046 %g HNN 0.0032 cm/s 0.0056 %g NTAB: Tamalpais Peak (Northern California Seismic Network) Coordinates: N37.92 W122.60 HNE 0.3576 cm/s (T) 1.7737 %g (T) HNN 0.0067 cm/s 0.0342 %g NSP: Sears Point (Northern California Seismic Network) Coordinates: N38.20 W122.46 ADE 0.0039 cm/s 0.0133 %g ADN 0.0058 cm/s 0.0155 %g NSM: Sonoma Mountain DIG N (Northern California Seismic Network) Coordinates: N38.35 W122.58 HNE 0.0072 cm/s 0.0134 %g HNN 0.0117 cm/s 0.0166 %g NPRB: Point Reyes (Northern California Seismic Network) Coordinates: N38.00 W123.02 HNE 0.0035 cm/s 0.0092 %g HNN 0.0036 cm/s 0.0075 %g NOLB: Olema (Northern California Seismic Network) Coordinates: N38.04 W122.80 HNE 0.0150 cm/s 0.0321 %g HNN 0.0120 cm/s 0.0392 %g NMI: Mare Island (Northern California Seismic Network) Coordinates: N38.08 W122.26 HNE 0.0078 cm/s 0.0269 %g HNN 0.0116 cm/s 0.0328 %g NLH: Lake Herman (Northern California Seismic Network) Coordinates: N38.12 W122.15 ADE 0.0114 cm/s 0.0194 %g ADN 0.0082 cm/s 0.0177 %g NHV: Hicks Valley (Northern California Seismic Network) Coordinates: N38.16 W122.71 HNE 0.0056 cm/s 0.0225 %g HNN 0.0045 cm/s 0.0159 %g 1772: CA: San Francisco; Fire Station 18, Sunset (National Strong-Motion Program) Coordinates: N37.75 W122.49 HNE 0.0354 cm/s 0.0953 %g HNN 0.0166 cm/s 0.0573 %g 1790: Ca: Burlingame; Fire Station 36 (National Strong-Motion Program) Coordinates: N37.59 W122.37 HNE 0.0446 cm/s 0.0939 %g HNN 0.0373 cm/s 0.0845 %g 1788: CA: Milpitas Fire Station 4 (National Strong-Motion Program) Coordinates: N37.42 W121.92 HNE 0.0229 cm/s 0.0495 %g HNN 0.0243 cm/s 0.0584 %g 1786: CA: Livermore; Fire Station 6 (National Strong-Motion Program) Coordinates: N37.68 W121.74 HNE 0.1076 cm/s 0.2779 %g HNN 0.0417 cm/s 0.1330 %g 1785: CA: Pleasanton; Fire Station 1 (National Strong-Motion Program) Coordinates: N37.66 W121.87 HNE 0.0595 cm/s 0.2162 %g HNN 0.0666 cm/s 0.1445 %g 1783: CA: San Jose; Fire Station 26, East (National Strong-Motion Program) Coordinates: N37.31 W121.85 HNE 0.0251 cm/s 0.0684 %g HNN 0.0191 cm/s 0.0593 %g 1782: CA: San Jose; Fire Station 10, Northwest (National Strong-Motion Program) Coordinates: N37.32 W121.94 HNE 0.0346 cm/s 0.1276 %g HNN 0.0234 cm/s 0.1130 %g 1781: CA: San Jose; Fire Station 06, Central (National Strong-Motion Program) Coordinates: N37.30 W121.90 HNE 0.0069 cm/s 0.0220 %g HNN 0.0127 cm/s 0.0528 %g 1780: CA: San Jose; Fire Station 09, Southwest (National Strong-Motion Program) Coordinates: N37.26 W121.92 HNE 0.0085 cm/s 0.0177 %g HNN 0.0101 cm/s 0.0247 %g 1778: CA: San Jose; Fire Station 14, West (National Strong-Motion Program) Coordinates: N37.30 W121.98 HNE 0.0125 cm/s 0.0373 %g HNN 0.0164 cm/s 0.0589 %g 1777: CA: San Mateo; Fire Station 23, Hillsdale (National Strong-Motion Program) Coordinates: N37.54 W122.30 HNE 0.0618 cm/s 0.1329 %g HNN 0.0422 cm/s 0.0899 %g 1776: Ca: Redwood City; Fire Sta 10 (National Strong-Motion Program) Coordinates: N37.47 W122.24 HNE 0.0159 cm/s 0.0592 %g HNN 0.0189 cm/s 0.0708 %g 1775: Ca: Mt View; Fire Sta 3 (National Strong-Motion Program) Coordinates: N37.41 W122.09 HNE 0.0387 cm/s 0.0730 %g HNN 0.0302 cm/s 0.0896 %g 1774: CA: San Francisco Fire Station 23, Ocean Beach (National Strong-Motion Program) Coordinates: N37.76 W122.50 HNE 0.0123 cm/s 0.0416 %g HNN 0.0136 cm/s 0.0454 %g 1773: CA: San Francisco; Fire Station 22, GG Park (National Strong-Motion Program) Coordinates: N37.76 W122.47 HNE 0.0172 cm/s 0.0652 %g HNN 0.0184 cm/s 0.0575 %g 1793: Ca: Mt. Pleasant High School (National Strong-Motion Program) Coordinates: N37.35 W121.81 HNE 0.0100 cm/s 0.0152 %g HNN 0.0075 cm/s 0.0149 %g 1816: Ca: San Francisco; Fire Sta 9 (National Strong-Motion Program) Coordinates: N37.74 W122.40 HNE 0.0165 cm/s 0.0405 %g HNN 0.0123 cm/s 0.0292 %g 1813: CA: Rodeo; FS 75 (National Strong-Motion Program) Coordinates: N38.03 W122.27 HNE 0.0058 cm/s 0.0150 %g HNN 0.0050 cm/s 0.0155 %g 1807: CA: ALBANY; FS 1 (National Strong-Motion Program) Coordinates: N37.89 W122.30 HNE 0.0131 cm/s 0.0469 %g HNN 0.0116 cm/s 0.0461 %g 1806: CA: Mill Valley MUNI Golf Course (National Strong-Motion Program) Coordinates: N37.91 W122.54 HNE 0.0430 cm/s 0.1180 %g HNN 0.0326 cm/s 0.1247 %g 1804: CA:Daly City;Fire Station 3 (National Strong-Motion Program) Coordinates: N37.68 W122.48 HNE 0.0362 cm/s 0.1523 %g HNN 0.0379 cm/s 0.1619 %g 1803: CA: Livermore FS#8 (National Strong-Motion Program) Coordinates: N37.72 W121.73 HNE 0.0762 cm/s 0.2249 %g HNN 0.0674 cm/s 0.2778 %g 1802: CA: Union City FS#2 (National Strong-Motion Program) Coordinates: N37.59 W122.07 HNE 0.0704 cm/s 0.1491 %g HNN 0.1468 cm/s 0.3858 %g 1801: CA: Half Moon Bay;Fire Sta 40 (National Strong-Motion Program) Coordinates: N37.45 W122.43 HNE 0.0231 cm/s 0.0522 %g HNN 0.0150 cm/s 0.0601 %g 1799: CA: Campbell; Westmont High Sch (National Strong-Motion Program) Coordinates: N37.27 W121.99 HNE 0.0166 cm/s 0.0306 %g HNN 0.0141 cm/s 0.0365 %g 1798: CA: San Jose; Painter School (National Strong-Motion Program) Coordinates: N37.38 W121.84 HNE 0.0082 cm/s 0.0159 %g HNN 0.0061 cm/s 0.0169 %g 1796: Ca: Mt View; Fire Sta 4 (National Strong-Motion Program) Coordinates: N37.39 W122.06 HNE 0.0189 cm/s 0.0531 %g HNN 0.0204 cm/s 0.0437 %g 1795: Ca: San Francisco; Fire Sta 25 (National Strong-Motion Program) Coordinates: N37.75 W122.48 HNE 0.0138 cm/s 0.0388 %g HNN 0.0154 cm/s 0.0424 %g 1794: Ca: Casa de Amigos (National Strong-Motion Program) Coordinates: N37.41 W122.00 HNE 0.0129 cm/s 0.0449 %g HNN 0.0158 cm/s 0.0409 %g 1817: Ca: San Francisco; Fire Sta 14 (National Strong-Motion Program) Coordinates: N37.78 W122.49 HNE 0.0170 cm/s 0.0483 %g HNN 0.0118 cm/s 0.0361 %g P05: (USGS Tremor) Coordinates: N37.78 W122.23 HNZ 372.1800 cm/s (T) 59.7472 %g (T) HN2 15.8100 cm/s (T) 2.5291 %g (T) HN3 36.7700 cm/s (T) 5.8716 %g (T) 1834: CA: Mt View Fire Sta 5 (National Strong-Motion Program) Coordinates: N37.43 W122.08 HNE 0.0247 cm/s 0.0816 %g HNN 0.0267 cm/s 0.0631 %g 1831: CA: Sunnyvale; Braly School (National Strong-Motion Program) Coordinates: N37.36 W122.02 HNE 0.0135 cm/s 0.0311 %g HNN 0.0236 cm/s 0.0539 %g 1830: Ca: Mtn View: Fire Sta 2 (National Strong-Motion Program) Coordinates: N37.37 W122.08 HNE 0.0113 cm/s 0.0401 %g HNN 0.0099 cm/s 0.0324 %g 1829: Ca: Sonoma; Fire Sta (National Strong-Motion Program) Coordinates: N38.29 W122.46 HNE 0.0107 cm/s 0.0254 %g HNN 0.0101 cm/s 0.0239 %g 1828: Ca: Berkeley; Fire Sta 3 (National Strong-Motion Program) Coordinates: N37.86 W122.25 HNE 0.0338 cm/s 0.0801 %g HNN 0.0421 cm/s 0.1028 %g 1827: Ca: Berkeley; Fire Sta 1 (National Strong-Motion Program) Coordinates: N37.86 W122.29 HNE 0.0168 cm/s 0.0614 %g HNN 0.0080 cm/s 0.0245 %g 1826: CA: Pleasonton; Lydiksen Elementary School (National Strong-Motion Program) Coordinates: N37.68 W121.92 HNE 0.1259 cm/s 0.2867 %g HNN 0.1884 cm/s 0.4028 %g 1825: CA: San Jose; Laneview School (National Strong-Motion Program) Coordinates: N37.41 W121.87 HNE 0.0390 cm/s 0.0751 %g HNN 0.0144 cm/s 0.0462 %g 1824: Ca: San Francisco City College (National Strong-Motion Program) Coordinates: N37.72 W122.45 HNE 0.0317 cm/s 0.1371 %g HNN 0.0194 cm/s 0.1006 %g 1821: Ca: Oakland; Fire Sta 12 (National Strong-Motion Program) Coordinates: N37.80 W122.27 HNE 0.0202 cm/s 0.0542 %g HNN 0.0172 cm/s 0.0529 %g 1820: Ca: Oakland; Fire Sta 5 (National Strong-Motion Program) Coordinates: N37.83 W122.28 HNE 0.0189 cm/s 0.0486 %g HNN 0.0094 cm/s 0.0255 %g 1819: Ca: Oakland; Fire Sta 3 (National Strong-Motion Program) Coordinates: N37.81 W122.29 HNE 0.0111 cm/s 0.0336 %g HNN 0.0139 cm/s 0.0411 %g 1818: Ca: San Francisco; Fire Sta 43 (National Strong-Motion Program) Coordinates: N37.72 W122.43 HNE 0.0499 cm/s 0.2013 %g HNN 0.0495 cm/s 0.2037 %g Explanation of Flags M - Manually flagged T - Outlier G - Glitch N - Not in list of known stations