2008-08-26_REPORT - c1980007 ‎(5)‎

• Permit No: c1980007
• IBM Index Class Name: REPORT
• Doc Date: 8/26/2008
• Doc Name: 2nd Quarter 2008 Seismic Monitoring Report
• From: Mountain Coal Company
• To: DRMS
• Permit Index Doc Type: Stability Report
• Email Name: TAK
• Media Type: D
• Archive: No

Table 3. Event Locations and Maximum Recorded PGA's
Year Month Day Hour Minute Sec Latitude
Location PGA Distance
DEPTH ML MC Location Quality Station (g) (km)
2008 5 26 10 58 39. 76 38. 9207 -107. 4282 1.07 1.7 West Elk C WFW 0.0004 2.20
2008 5 28 1 39 48. 35 38. 9665 -107. 5255 2.47 1.7 1.6 Oxbow C
2008 5 29 6 49 36. 37 38. 9715 -107. 5188 1.61 1.7 1.2 Oxbow C
2008 5 31 13 11 23. 16 38. 9398 -107. 4500 2.51 1.7 West Elk C MCD 0.0004 6.61
2008 5 31 14 53 32. 66 38. 9668 -107. 5245 0.56 1.7 Oxbow C BWK 0.0005 4.34
2008 6 2 2 21 17. 61 38. 9688 -107. 5048 0 Oxbow C LLM 0.0001 12.53
2008 6 2 17 43 2. 73 38. 9498 -107. 5750 0.48 1.8 2.2 Bowie C MFB 0.0088 0.89
2008 6 2 23 37 29. 97 38. 9715 -107. 5077 0.52 1.9 Oxbow C MFB 0.0001 2.41
2008 6 4 15 34 56. 91 38. 9495 -107. 5188 0 1.9 1.9 Oxbow C BWK 0.0012 2.48
2008 6 5 20 38 38.2 38. 9770 -107. 5145 1.29 1.7 Oxbow C FGH 0.0003 3.30
2008 6 5 21 0 58. 96 38. 9200 -107. 4333 0.37 1.8 West Elk C WFW 0.0003 2.14
2008 6 6 11 35 0. 08 38. 9773 -107. 5133 0.53 1.7 1.2 Oxbow C FGH 0.0004 3.35
2008 6 6 13 13 12. 39 38. 9275 -107. 5648 1.08 2.5 Bowie C LLM 0.0013 8.76
2008 6 13 19 57 51.3 38. 9207 -107. 4050 0 1.7 West Elk C
2008 6 19 11 46 18. 66 38. 9628 -107. 5367 0 1.7 1.7 Bowie C
2008 6 20 0 0 54. 67 38. 9257 -107. 4078 0 1.8 West Elk C WFW 0.0002 2.81
2008 6 20 5 57 1. 38 38. 9258 -107. 4117 0.82 1.9 1.9 West Elk C SPG 0.0005 6.01
2008 6 22 8 10 38. 73 38. 9260 -107. 4042 1.49 1.7 1.7 West Elk C SPG 0.0003 6.06
2008 6 22 8 8 21. 52 38. 9282 -107. 4107 0 1.9 West Elk C WFW 0.0000 3.06
2008 6 25 17 57 46. 29 38. 9277 -107. 5532 3.23 1.7 Bowie C BWK 0.0002 0.61