Images for Earth Science

Earthquakes

  1. 1872 isoseismal
  2. 1872 isoseismal low res color
  3. Whidbey area faults
  4. Puget Sound faults
  5. History of PNW Earthquakes
  6. Displaced fence - 1906
  7. Larger, unannotated seismogram.
  8. Seismogram with annotation.
  9. Three seismograms showing wave travel
  10. EQ of Alaska - USGS. (good subduction zone also) .pdf
  11. Cascadia earthquake sources

Earth History

  1. Rock correlations
  2. Grand Canyon stratigraphy
  3. Grand Staircase stratigraphy
  4. Southwest stratigraphy
  5. Rifting at Albuquerque
  6. Reclined rock fold
  7. Overturned fold in rock veins
  8. Geologic cross-section 1
  9. Geologic cross-section 2
  10. Geologic cross-section 3
  11. Geologic cross-section 4

Volcanos

  1. Volcanic landforms
  2. Types of Volcano - USGS
  3. Shield vs. Composite Volcano - USGS
  4. Mt Baker eruption history
  5. History of Cascade Eruptions - USGS     pdf
  6. Long Valley Caldera ash fall   (350 mi2 were 500 ft deep!)
  7. Long Valley Caldera cross section - USGS
  8. Another Long Valley Caldera cross-section
  9. Mt. St. Helen's cross section
  10. St. Pierre
  11. Sunset Crater Cinder Cone
  12. Merriam Cinder Cone
  13. Black Butte, OR external arrow

Misc

  1. Soil texture by feel .pdf
  2. Soil texture triangle.pdf
  3. Crustal thickness
  4. Rock cycle

Pangaea

  1. Sequence of Pangaea breakup
  2. Pangaea glaciers - now,   then
  3. Pangaea climate
  4. Pangaea fossil distributions,   color
  5. Pangaea stratigraphy,     detail
  6. South Pole wandering
  7. Alfred Wegener
  8. Cynognathus (mammal-like dinosaur)
  9. Glossopteris
  10. Lystrosaurus (extinct reptile)
  11. Mesosaur (extinct marine reptile)
  12. Sigallaria (seed fern)
  13. Pangaea assembled,     political map

Plate Tectonics

  1. Ring of Fire + world tectonics map - USGS
  2. World seismicity
  3. Plate boundaries (World map) - USGS,     gray scale
  4. Detailed Plate boundaries (World map) - Wiki
  5. Mid-ocean ridges - world map
  6. East Africa rift zone
  7. Composite Plate boundary diagram - USGS
  8. Divergent,     continent to ocean,     large
  9. Continental-Continental convergence diagram - USGS
  10. Oceanic-continental convergence diagram - USGS
  11. Oceanic-Oceanic convergence diagram - USGS
  12. Slab-pull diagram
  13. Ocean floor ages
  14. Ocean sediment thickness
  15. Emperor Seamount map
  16. Hot spot volcano aging diagram
  17. Hot spot diagram - USGS
  18. Magnetic stripes,     another,     PNW

Plate Tectonics PNW

  1. Plate boundaries - Western North America
  2. Plate boundaries - PNW - USGS
  3. PNW Convergence cross section diagram - USGS
  4. PNW Subduction zone through Seattle
  5. Cascadia earthquake sources
  6. North American Terranes
  7. California tectonic cross section

Washington

  1. WA geologic map
  2. Puget Basin Geography - Navy
  3. Puget Basin Rainfall - Navy
  4. Puget Basin Mountains - Navy
  5. Island County LIDAR image