Reference no: EM133414953

Questions on the video Cascadia The Hidden Fire

1. What are the three types of EQs in the Pacific Northwest?

2. What was the largest magnitude EQ in recorded history, and where did it happen?

3. What was the costliest EQ in recorded history, and where did it happen (according to this film)?

4. How long did shaking last during the 1964 Alaska EQ?

5. What is the Cascadia Subduction Zone?

6. What was the first evidence for the approximate date of the last Cascadia Subduction Zone megaquake?

7. What was the surprising source of the final precise date of this quake?

8. What two hypotheses are presented about how earthquakes occur in the Pacific Northwest and how large these EQs are?

9. Which hypothesis was supported by Brian Atwater, and which by Chris Goldfinger?

10. Which hypothesis is more strongly supported by the evidence?

11. How many past EQs of this MegaQuake or Magnitude 9+ category have been scientifically documented along the Pacific Northwest Subduction Zone?

12. What are two (or more if you want to list more!) converging lines of scientific (or anecdotal!) evidence supporting the megaquake hypothesis?

13. Why are multiple converging lines of supporting evidence more compelling than a single line of reasoning based on a single type of evidence?

14. Why does the conversion of a skeptic or denier of a proposed hypothesis add strong support to that hypothesis?

15. What's the deal with Crescent City? If you heard a tsunami was heading your way, would you run down to the pier to check it out?