2008-11-24_PERMIT FILE - C1996083 ‎(11)‎

• Permit No: C1996083
• IBM Index Class Name: Permit File
• Doc Date: 11/24/2008
• Doc Name: 4th Quarter 2007 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 PGA's
0 Year month
•
hr min sec Latitude
ML MC Location Q I Station
7 12 23 7 41 21.92 38.948 -107.555 1.81 1.7 1.6 Bowie B
7 12 23 9 0 25.28 38.945 -107.554 1.25 2 2.2 Bowie B
7 12 23 11 43 3.09 38.948 -107.557 1.17 1.8 2.0 Bowie B
7 12 23 17 42 22.75 38.947 -107.555 1.56 1.8 1.7 Bowie B
7 12 24 1 29 47.31 38.945 -107.555 1.48 1.9 1.9 Bowie B
7 12 24 6 46 9.24 38.946 -107.557 1.24 1.8 2.1 Bowie B
7 12 24 8 15 10.03 38.943 -107.554 1.28 1.8 1.9 Bowie B
7 12 24 12 7 7.9 38.942 -107.558 1.04 1.9 1.7 Bowie B
7 12 24 12 33 10.42 38.947 -107.548 1.98 1.7 1.5 Bowie B
7 12 26 3 34 54.43 38.924 -107.421 0.81 1.8 1.8 West Elk C
7 12 27 2 18 8.74 38.945 -107.558 128 1.8 Bowie B
7 12 27 6 0 40.97 38.945 -107.556 1.52 1.8 1.7 Bowie B
7 12 27 14 3 48.65 38.943 -107.556 0.88 1.7 2.2 Bowie B
7 12 27 15 51 57.12 38.947 -107.554 1.3 1.8 1.8 Bowie B
7 12 27 23 22 30.03 38.944 -107.558 1.24 1.8 1.4 Bowie B
7 12 28 2 8 4.94 38.946 -107.559 1.07 2 2.0 Bowie B
7 12 28 2 54 35 38.947 -107.557 1.34 1.7 1.8 Bowie B
7 12 28 5 2 34.26 38.957 -107.542 0 1.7 1.7 Bowie C
7 12 28 22 45 32.15 38.948 -107.554 1.88 1.8 2.0 Bowie B
7 12 28 23 8 13.93 38.949 -107.551 1.96 1.7 1.8 Bowie B
7 12 28 23 28 49.26 38.948 -107.555 1.64 1.8 1.7 Bowie B
7 12 29 0 38 49.66 38.948 -107.559 1.28 1.7 1.6 Bowie B
7 12 29 2 37 15.04 38.942 -107.560 0.74 2.5 2.6 Bowie C
7 12 29 4 11 22.28 38.948 -107.557 1.72 1.7 1.6 Bowie B
7 12 29 5 21 51.34 38.961 -107.512 1.27 2 1.7 Oxbow C
7 12 29 7 10 35.72 38.949 -107.560 1.24 1.8 1.6 Bowie B
7 12 29 12 54 51.94 38.942 -107.550 1.15 1.7 1.3 Bowie B
7 12 29 16 50 40.81 38.951 -107.556 1.82 1.8 2.0 Bowie B
7 12 29 17 37 4.05 38.943 -107.551 1.76 1.8 1.8 Bowie B
7 12 29 22 45 3.08 38.941 -107.557 1.02 1.7 1.4 Bowie B
7 12 30 5 3 40.95 38.953 -107.548 0 1.8 1.7 Bowie C
7 12 30 7 3 26.56 38.947 -107.557 1.43 2 2.1 Bowie B
7 12 30 11 1 51.29 38.949 -107.554 1.85 2.2 2.1 Bowie B
7 12 30 14 41 4.54 38.946 -107.549 1.66 1.8 1.8 Bowie B
7 12 30 17 20 36.91 38.963 -107.531 1.28 1.7 1.8 Bowie C
7 12 30 18 55 17.4 38.946 -107.558 1.06 2.3 2.1 Bowie B
7 12 30 22 32 1.53 38.948 -107.554 1.18 1.7 1.6 Bowie B
7 12 31 6 44 28.34 38.941 -107.559 1.24 1.7 1.4 Bowie B
7 12 31 9 3 34.11 38.950 -107.546 0 1.7 1.5 Bowie B
7 12 31 12 36 12.15 38.944 -107.556 1.4 2.3 2.1 Bowie B
7 12 31 15 56 51.36 38.944 -107.558 1.87 1.7 1.7 Bowie B
Note 1 East Main Bumps are highlighted in bold type
PGA Distance
MFB 0.0024 0.86
MFB 0.0032 1.24
MFB 0.0056 0.91
MFB 0.0024 1.01
MFB 0.0047 1.20
MFB 0.0026 1.13
FGH 0.0016 0.86
MFB 0.0027 1.60
FGH 0.0024 0.45
MFB 0.0021 1.21
MFB 0.0030 1.19
MFB 0.0018 1.47
FGH 0.0023 0.64
MFB 0.0042 1.37
MFB 0.0017 1.11
MFB 0.0021 0.99
MFB 0.0025 0.60
MFB 0.0025 0.89
MFB 0.0029 0.82
MFB 0.0027 0.87
MFB 0.0025 0.93
MFB 0.0056 1.56
MFB 0.0015 0.95
BWK 0.0007 3.74
MFB 0.0032 0.78
FGH 0.0025 0.86
MFB 0.0017 0.61
MFB 0.0013 1.51
FGH 0.0024 0.64
FGH 0.0018 0.53
MFB 0.0051 1.20
MFB 0.0040 1.17
MFB 0.0047 0.96
MFB 0.0011 1.65
MFB 0.0025 0.84
MFB 0.0043 1.40
MFB 0.0036 1.32
CJ