2009-12-29_PERMIT FILE - C1996083

• Permit No: C1996083
• IBM Index Class Name: Permit File
• Doc Date: 12/29/2009
• Doc Name: 3rd Quarter 2009 North Fork Valley Seismic Network Monitoring Report
• Section_Exhibit Name: Volume IIIA Exhibit 18 Seismic Monitoring at BR Longwall Coal Mine
• Media Type: D
• Archive: No

Table 3. Event Locations and Maximum Recorded PGAs

Year Month Day
Hour M
inute
Sec Latitude Longitude DEPTH NO GAP DMIN RMS ERH ERZ
ML MC Location Location
Qualify
Station PGA
(9) Distance
(km)
2009 7 2 23 22 8.17 38.9427 -107.500167 2.06 22 108 2.1 0.1 0.2 0.2 1.9 2 Oxbow B MCD 8.5295E-04 6.93
2009 7 11 0 0 48.35 38.9387 -107.4995 0.77 22 110 2.5 0.09 0.2 0.2 17 Oxbow B MCD 7.7593E-04 7.22
2009 7 26 23 59 2.15 38.9457 -107.4885 0.31 20 145 1.7 0.18 0.3 0.4 1.9 Oxbow C BWK 1.2529E-04 2.61
2009 7 28 1 48 36.49 38.9703 -107.406667 0 20 257 7.6 0.2 1.4 0.6 2.6 2.4 N. of W. Elk C BWK 1.0004E-03 6.37
2009 8 7 16 32 11.18 38.9255 -107.4265 1.08 21 207 2.7 0.21 0.7 0.7 1.9 2 West Elk C WFW 9.7076E-04 2.73
2009 8 8 11 41 29.72 38.9548 -107.5265 0.48 21 124 1.2 0.17 0.3 0.3 1.7 Bowie B FGH 5.9818E-02 0.83
2009 8 10 17 3 38.01 38.9607 -107.560833 2.4 7 158 0.5 0.12 0.9 0.7 1.8 Bowie B MFB 7.4066E-05 0.52
2009 8 10 23 40 12.76 38.9203 -107.5235 6.37 14 163 1.5 0.22 1.9 1.1 2.3 S. of Bowie C BWK 1.4774E-04 1.00
2009 8 11 20 18 3.19 38.9445 -107.474667 0 22 227 3.2 0.42 0.5 0.3 2.3 2.3 S. of Oxbow D BWK 8.8485E-04 2.88
2009 9 1 4 44 24.98 38.9445 -107.562667 1.64 16 220 1.3 0.15 0.6 0.5 1.8 Bowie C MFB 6.2341E-03 1.29
2009 9 2 14 8 57.8 38.935 -107.484 0.87 17 179 4.7 0.11 0.5 0.4 1.8 S. of Oxbow B MCD 6.0535E-05 6.02
2009 9 7 15 5 5.02 38.9547 -107.560833 1.3 21 114 0.2 0.15 0.3 0.2 2 Bowie B FGH 1.8536E-03 1.13
2009 9 19 13 47 7.69 38.9355 -107.565667 0 17 152 2.3 0.23 0.5 0.6 2.6 2.6 Bowie C MFB 3.3720E-03 2.30
2009 9 21 7 53 53.84 38.938 -107.4095 1.57 20 237 4.3 0.12 0.4 0.5 1.7 N. of W. Elk C SPG 1.3095E-04 7.37
2009 9 21 23 58 6.56 38.9445 -107.503 1.71 22 100 2 0.09 0.2 0.3 1.9 Oxbow B FGH 3.1798E-04 1.24
2009 9 22 7 57 3.79 38.9037 -107.462 0.79 14 118 2.8 0.11 0.4 0.4 2.4 West Elk B MCD 1.0531E-04 2.57
2009 9 22 12 45 56.09 38.9478 -107.541833 1.34 20 98 0.4 0.07 0.1 0.1 2.3 1.9 Bowie B FGH 2.2254E-02 0.21
2009 9 23 18 30 58.31 38.9373 -107.499 0.46 17 111 2.7 0.13 0.2 0.3 2 Oxbow B FGH 3.8096E-05 1.79
2009 9 24 0 43 27.63 38.9613 -107.534167 1.36 19 139 1.5 0.11 0.3 0.2 1.9 Bowie B FGH 1.2002E-03 1.49
2009 9 24 17 18 48.75 38.9428 -107.500667 0 20 107 2.1 0.15 0.3 0.3 2.2 Oxbow B BWK 3.6542E-04 2.10
2009 9 25 15 38 44.51 38.9247 -107.413333 0.75 20 220 2.8 0.09 0.3 0.2 2.3 2.8 West Elk C SPG 2.0384E-03 5.88
2009 9 29 17 52 50.51 38.9167 -107.432167 1.29 14 190 1.9 0.07 0.2 0.2 1.9 West Elk C WFW 5.1169E-05 1.77
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