2009-08-17_PERMIT FILE - C1996083

• Permit No: C1996083
• IBM Index Class Name: Permit File
• Doc Date: 8/17/2009
• Doc Name: First 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 a nd Maximum Recorded PGAs
Location PGA Distance
Year Month Day Hour Minute Sec Latitude Longitude DEPTH NO GAP DMIN RMS ERH ERZ ML MC Location Quality Station (g) (km)
• 2009 1 1 13 2 41.02 38.958 -107.508 2.91 13 245 2.8 0.1 1.5 1.9 1.5 Oxbow C BWK 0.0029 3.52
2009 1 3 0 41 17.29 38.958 -107.553 2.19 15 139 1.7 0.1 0.4 0.3 1.7 Bowie B BWK 0.0029 3.35
2009 1 5 4 47 28.54 38.967 -107.507 2.27 18 207 3.4 0.1 0.3 0.3 1.9 2.1 Oxbow C WTM 0.0117 4.04
2009 1 6 1 49 38.48 38.949 -107.560 2.47 13 111 2 0.1 0.4 0.2 1.8 Bowie B WTM 0.0046 1.44
2009 1 7 8 7 31.68 38.881 -107.418 0.87 15 123 1.2 0.1 0.3 0.2 1.7 West Elk B LLM 0.0076 3.25
2009 1 10 13 28 35.29 38.880 -107.420 1.14 16 114 1 0.1 0.3 0.2 1.7 West Elk B WFW 0.0084 2.33
2009 1 10 18 34 27.93 38.946 -107.561 1.88 15 121 2.1 0.1 0.2 0.2 1.8 Bowie B BWK 0.0054 2.12
2009 1 23 20 43 46.71 38.949 -107.554 1.83 20 109 0.9 0.1 0.4 0.3 1.7 1.6 Bowie B FGH 0.0319 0.65
2009 1 25 1 45 35.49 38.937 -107.416 1.78 13 231 4.1 0 0.2 0.3 2.2 West Elk C MCD 0.0007 6.57
2009 1 26 7 16 56.53 38.935 -107.425 2.4 18 222 3.7 0.2 0.8 0.7 1.8 West Elk C LLM 0.0007 8.73
2009 1 27 9 39 10.69 38.928 -107.507 2.67 18 153 2.7 0.1 0.3 0.4 1.8 Oxbow B FGH 0.0005 2.46
2009 1 28 20 21 45.09 38.931 -107.502 2.21 20 160 3.1 0.1 0.3 0.2 1.8 Oxbow B FGH 0.0008 2.24
2009 1 30 18 45 52.76 38.964 -107.509 2.11 20 200 3 0.1 0.3 0.3 1.9 Oxbow C MFB 0.0101 1.88
2009 2 1 1 38 28.28 38.932 -107.502 2.7 21 105 3.1 0.1 0.3 0.5 1.9 1.8 Oxbow B TCR 0.0086 6.01
2009 2 1 4 49 6.74 38.956 -107.545 1.32 21 112 1.1 0.1 0.2 0.1 1.6 Bowie B MFB 0.0250 0.48
2009 2 3 0 46 39.35 38.964 -107.505 1.56 20 178 1.1 0.1 0.2 0.2 1.9 2.1 Oxbow B WTM 0.0156 3.87
2009 2 4 8 0 26.13 38.955 -107.560 0.92 17 109 0.1 0.1 0.2 0.1 1.5 Bowie B WTM 0.0066 1.88
2009 2 4 11 56 49.3 38.965 -107.503 1.13 22 188 0.9 0.1 0.2 0.1 1.6 Oxbow C WTM 0.0019 3.99
2009 2 7 0 48 13.72 38.962 -107.513 1.17 13 191 1.7 0.1 0.2 0.1 1.8 2.0 Oxbow C
2009 2 7 17 47 32.21 38.940 -107.499 0 6 174 3.6 0.1 0.4 0.4 1.9 Oxbow B
2009 2 11 22 41 17.73 38.905 -107.516 0 9 162 3.2 0.2 1.1 0.5 2.1 West Elk C
2009 2 12 14 22 3.88 38.948 -107.567 3.02 12 113 2.3 0.1 0.5 0.6 1.9 1.7 Bowie B
2009 2 13 4 48 32.14 38.931 -107.501 1.57 8 107 3.2 0 0.2 0.3 1.8 Oxbow B WFW 0.0005 4.38
2009 2 14 20 17 35.25 38.933 -107.503 1.55 8 108 3.1 0.2 1 1.6 1.7 Oxbow B
2009 2 18 11 20 28.53 38.950 -107.561 1.45 19 111 0.7 0.1 0.2 0.1 1.7 Bowie B MFB 0.1341 0.69
2009 2 20 10 8 7.96 38.892 -107.412 1.05 20 179 1.5 0.1 0.2 0.2 1.6 West Elk B SPG 0.0076 2.29
2009 2 21 18 54 6.08 38.933 -107.503 2.35 16 162 3.1 0.1 0.3 0.2 1.7 Oxbow B FGH 0.0008 2.11
2009 2 22 12 59 35.47 38.937 -107.498 2.1 12 134 2.7 0.1 0.3 0.3 1.5 Oxbow B BWK 0.0123 1.77
2009 2 22 22 0 23.26 38.955 -107.537 1.63 22 117 0.7 0.1 0.3 0.3 1.6 Bowie B BWK 0.0141 2.95
2009 2 23 2 8 58.91 38.881 -107.421 1.08 11 112 1.1 0 0.1 0.1 1.8 West Elk B WFW 0.0013 2.21
2009. 2 23 5 54 8.22 38.935 -107.496 1.23 21 115 3 0.1 0.3 0.4 1.8 Oxbow B FGH 0.0097 2.10
2009 2 24 19 1 10.39 38.932 -107.502 2.06 15 161 3.1 0.1 0.2 0.2 1.8 Oxbow B BWK 0.0009 1.36
2009 2 25 9 26 58.02 38.933 -107.504 2.2 20 105 3 0.1 0.3 0.3 1.8 1.7 Oxbow B MCD 0.0137 5.84
2009 2 25 14 27 55.34 38.932 -107.503 2.49 16 105 3.1 0.1 0.4 0.3 1.7 Oxbow B MCD 0.0009 5.81
2009 2 26 16 30 17.91 38.949 -107.537 1.09 20 103 0.1 0.1 0.2 0.1 1.8 1.7 Bowie B BWK 0.0347 2.32
2009 3 13 16 33 41.09 38.935 -107.496 0.85 16 115 3 0.1 0.3 0.6 2.2 Oxbow B BWK 0.0018 1.66
2009 3 14 22 15 56.93 38.934 -107.501 0.67 18 106 3.1 0.1 0.2 0.2 1.7 Oxbow B MCD 0.0009 6.00
• 2009
2009 3
3 14
22 22
2 55
48 23.25
52.69 38.969
38.936 -107.524
-107.500 1.59
1.27 17
18 176
109 2.6
2.8 0.1
0.1 0.2
0.1 0.3
0.2 1.0
2.9 Oxbow
Oxbow B
B TCR
MCD 0.0010
0.0008 1.94
6.18
2009 3 22 5 27 29.1 38.937 -107.500 0.94 19 108 2.8 0.1 0.2 0.3 1.8 Oxbow B MFB 0.0030 3.02
2009 3 22 16 26 43.88 38.945 -107.490 0 12 188 4.1 0.2 0.5 0.4 1.9 Oxbow C BWK 0.0025 2.53
2009 3 22 21 58 22.77 38.935 -107.500 0.66 20 108 3 0.2 0.3 0.3 1.7 Oxbow B FGH 0.0028 1.97
2009 3 23 2 55 1.45 38.956 -107.543 0 10 115 1.4 0.1 0.2 0.3 1.1 Bowie B FGH 0.0373 0.96
2009 3 23 15 20 16.11 38.939 -107.495 1.18 20 120 2.4 0.1 0.2 0.3 1.7 Oxbow B BWK 0.0102 1.97
2009 3 23 16 37 22.88 38.937 -107.500 1.97 20 108 2.7 0.1 0.2 0.3 2.1 Oxbow B MCD 0.0036 6.31
2009 3 24 0 8 31.93 38.938 -107.497 0.6 20 115 2.6 0.2 0.4 0.5 2.2 Oxbow B BWK 0.0033 1.81
2009 3 24 6 37 40.98 38.937 -107.496 0.91 21 117 2.7 0.1 0.2 0.4 2.3 1.6 Oxbow B MCD 0.0024 6.27
2009 3 24 7 46 50.43 38.942 -107.501 1.18 15 176 3.2 0.2 0.5 0.5 1.9 Oxbow C WTM 0.0010 3.23
2009 3 24 8 18 11.2 38.939 -107.503 0.98 15 170 3.2 0.1 0.3 0.3 1.8 Oxbow B WTM 0.0005 3.21
2009 3 24 8 31 45.01 38.936 -107.498 0.79 22 113 2.8 0.1 0.3 0.4 1.7 Oxbow B MFB 0.0065 3.18
2009 3 24 20 52 2.06 38.938 -107.500 2.29 21 109 2.7 0.1 0.2 0.2 2.0 1.9 Oxbow B BWK 0.0177 1.72
2009 3 25 9 52 1.33 38.939 -107.496 1.35 21 118 2.5 0.1 0.3 0.4 1.6 Oxbow B BWK 0.0146 1.90
2009 3 26 18 19 49.09 38.939 -107.496 0.84 18 118 2.5 0.1 0.2 0.3 1.7 Oxbow B FGH 0.0005 1.80
2009 3 27 0 53 52.89 38.939 -107.497 1.16 20 116 2.5 0.1 0.2 0.2 1.8 1.5 Oxbow B BWK 0.0066 1.88
2009 3 27 18 7 4.28 38.938 -107.495 0.96 21 120 2.6 0.1 0.2 0.2 1.9 1.9 Oxbow B MCD 0.0079 6.37
2009 3 29 20 9 29.23 38.882 -107.423 0.76 11 110 1.1 0.1 0.2 0.2 2.7 West Elk B WFW 0.0015 2.17
2009 3 31 10 37 18.2 38.969 -107.514 1.41 21 186 2 0.1 0.2 0.2 1.7 Oxbow C FGH 0.0106 2.40
0