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FOCAL MECHANISMS AND VARIATIONS IN
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Acknowledgements:I would like to ex
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Figure 5.12: Summary of the focal m
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AbbreviationsCNSN: Canadian Nationa
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Earthquakes in western Quebec and s
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1.2 Organization of ThesisChapter 1
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eastern Canada each year, of which
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Metasedimentary Belt boundary tecto
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The Grenville Front tectonic zone (
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Figure 2.3: Seismicity in the study
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oadly similar continent-continent c
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Figure 2.4: Historical earthquakes
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earthquakes have occurred within th
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cluster, which is considered part o
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2001. All events seemed to occur in
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CHAPTER 3DATA SET AND METHODS3.1 In
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Fig. 3.1: Locations of seismic stat
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Figure 3.2: Number of stations used
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the strongest recorded event in the
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Figure 3.5: Earthquake source param
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The amplitudes of the seismic waves
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Figure 3.7: Vertical component wave
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HYPOCENTER programThe HYPOCENTER pr
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wave - e.g. Pg or Pn, Sg or Sn), th
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model for P-wave velocity with mult
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CHAPTER 4RESULTSIn this chapter the
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Figure 4.1: Distribution of RMS of
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Table 4.2: Earthquake parameters (h
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The focal depth calculated here is
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focal mechanism beach-ball diagrams
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some spatial variability of the ori
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22 20001006 50 ±3 134 ±10 90 ±0
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a)b)c)d)Western QuebecSouthern Onta
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esults from other similar studies,
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source region (e.g. Chen and Molnar
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estimate using a stress inversion t
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Figure 5.3: Stress pattern for all
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oundaries of the Central Metasedime
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In Western Quebec Seizmic Zone (WQS
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deeper than 20 km (20 km to 26 km).
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Figure 5.7: Geologic features of WQ
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2009). The Mont-Laurier earthquake
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a) b)c) d)Figure 5.9: Summary of th
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5.4.3 Adirondack Clusters (WQ4 and
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WQ5 is located in the southern part
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Figure 5.13: Geological features of
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consistent with regional fault map
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WQ8 is locatedin the north-western
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- Page 105 and 106: a) b)c) d)Figure 5.19: Summary of t
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- Page 113 and 114: More detailed look at the relations
- Page 115 and 116: Baird, W.A. F., and McKinnon, S. D.
- Page 117 and 118: Easton, R. M. (1986). Geochronology
- Page 119 and 120: Havskov, J., and Ottemöller, L. (2
- Page 121 and 122: Ma, S., and Adams, J. (2002). Estim
- Page 123 and 124: Rimando, R. E., and Benn, K. (2005)
- Page 125 and 126: Wahlstrom, R. (1987) Focal mechanis
- Page 127 and 128: APPENDIX A: Examples of Input and O
- Page 129 and 130: SUNO BZ SN 3 141 15.29SADO BZ SG 4
- Page 131 and 132: EEO BZ SG 4 140 48.02 91 0.09 0 315
- Page 133 and 134: PAL BZ PN 2 D 140 33.20 53 -0.21 1
- Page 135 and 136: APPENDIX C: Faults Plane Solutions
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- Page 171 and 172: Appendix D: Focal Mechanisms From P
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