Tasha Addington-Ferris

Appendices

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Appendix A

Appendix A: Trivia Questions

1)The National Oceanic and Atmospheric Administration (NOAA) has placed tsunami detection buoys at various sites around the world, including a station 690 nautical miles southeast of Tokyo. How big was the tsunami wave generated by the March 11, 2011 earthquake as measured there?

    1. 100 ft
    2. 50 ft
    3. 10 ft
    4. 2 ft

Out at sea, tsunami waves are often only a foot or two high. It is not until they approach shore that the waves slow and “pile up,” creating the high-amplitude waves we experience on the coast.

2) If you are indoors when an earthquake occurs, the best thing to do is:

    1. Leave the building
    2. Stand in a doorway
    3. Get under a desk
    4. Duck into a stairwell

Leaving a building can be dangerous, as you may be struck by glass and masonry may be falling off the building. The best thing to do is to get under a sturdy piece of furniture, if available, and hold on until the shaking has stopped.

3)When was the last major Cascadia subduction zone earthquake?

    1. 1906
    2. About 500 years ago
    3. 9 pm, January 26, 1700
    4. At the end of the last glaciation

4)What is subduction?

    1. One plate sliding past another in the plane of Earth’s surface
    2. The formation of new ocean floor
    3. Mineral transformations driven by heat and temperature
    4. A plate sinking into Earth’s interior

Subduction is the process of one tectonic plate diving down beneath another. As an aside, it commonly leads to mountain-building, which geologists call “orogeny,” making the rather lewd-sounding phrase “subduction leads to orogeny” perfectly true.

5)In their documentary, “Unprepared,” Oregon Public Broadcasting refers to which of the following as “Oregon’s Seismic Achilles Heel”?

    1. Its schools
    2. Its bridges
    3. Its fuel infrastructure
    4. Its water infrastructure

“Oregon’s petroleum reserves, along with substations, key pipelines and natural gas storage, are highly concentrated in one stretch along the Willamette River” on soils that have a medium to high probability of liquefying in a M 9 Cascadia earthquake. That means that the ground beneath 90 percent of Oregon’s fuel supply could become runny goop in seconds, potentially causing a major spill into the Willamette River.

 

Appendix B
Appendix C
Appendix D
Appendix E
Appendix F

Contact

taddington-ferris@lclark.edu