Tsunamis

• Inundation
  • Wave Transition
    • Current
    • Constant Period
    • Tsunamis at Shore
    • Minor Inundation Effects
    • Tides
    • Local Bathymetry and Coastal Orientation Effects
    • Bay and Inlet Resonance
    • Edge Waves
    • Shelf Trapping
    • Summary Questions
      • Question 1
      • Question 2
      • Question 3
      • Question 4
      • Question 5
      • Question 6
      • Question 7
      • Question 8
      • Question 9
      • Question 10
  • Runup
    • Momentum
    • Force
    • Outgoing Waves
    • Bays and Rivers
    • Summary Questions
      • Question 1
      • Question 2
      • Question 3
  • Summary Interaction
    • Question 1
    • Question 2
    • Question 3
    • Question 4
    • Question 5

Question 2

Which of the following tsunami wave effects might be observed in this image? (Choose all that apply.)

a) (Ridge-based) wave focusing

b) Edge waves

c) Shelf trapping

d) Large, long runups

e) None of the above

The correct answer is D. This is the Columbia River in the northwest United States. Long rivers can have long runups in their channels.