1872 North Cascades Earthquake - Weston Geophysical Research, Inc.
THE 1872 EARTHQUAKE
SIGNIFICANT DATA AND CONCLUSIONS
Prepared for
UNITED ENGINEERS & CONSTRUCTORS INC.
By
WESTON GEOPHYSICAL RESEARCH, INC.
DECEMBER 1976
TABLE OF CONTENTS
Report
TABLE 1 COMPILATION AND EVALUATION OF FELT REPORTS
TABLE 2 COMMENTS ON SELECTED LOCALITIES
Plate 1 Distribution of Intensity
Plate 11 Location of Landslides and Soils Effects
Plate 111 Aftershocks
Plate IV Index of Pacific Northwest Newspapers:
18 72-1 87 4
Plates I Through IV At End Of Report
Figure 1 Regional Physiographic Map Showing
Epicentral Location After Milne (1956)
Figure 2 ERTS Imagery and Earthquakes
Figure 3 Intensity - Felt Area Relation
Appendix A - Documentation of felt reports: Washington, British Columbia, Oregon, Idaho, Montana, Alberta
washington/colfax.html
washington/colville.html
washington/ent2.html
washington/entiat.html
washington/ftsimcoe.html
washington/junk
washington/lkchelan.html
washington/lkchelan2.html
washington/lkchelan3.html
washington/lwsrvr.html
washington/penawawa.html
washington/rvrstation.html
washington/stuckvlly.html
washington/washrptloc.html
washington/wenatchee.html
bc/barkerville.html
bc/perrycrk.html
oregon/astoria.html
oregon/orodell.html
idaho/camasprairie.html
montana/bozeman.html
alberta/alberta.html
Appendix C - ACCOUNTS RELATING TO LANDSLIDES AND SOILS EFFECTS
Appendix D - ACCOUNTS RELATING TO AFTERSHOCKS