Does Human Activity Affect the Magnitude, I

question 30

Multiple Choice

Does human activity affect the magnitude, i.e., the amplitude, of tsunamis?

• A) Yes. Human structures on the shoreline increase the wave amplitude.
• B) Yes. Human use of the water increases the wave amplitude.
• C) Yes. Human use of the water decreases the wave amplitude.
• D) Yes. Global warming increases the wave amplitude.
• E) No. Human activity does not increase or decrease the wave amplitude.

---

Definitions:

Basin-shaped Outline

Descriptive of a geographical depression or low area that resembles the shape of a basin, often collecting water and sediment.

Calderas

Calderas are large, usually circular depressions formed by the collapse of a volcanic area following the eruption and expulsion of a significant amount of magma.

Pyroclastic Materials

Volcanic materials ejected during an eruption, including ash, pumice, lava bombs, and volcanic blocks.

Magma Chamber

A magma chamber is a large pool of liquid rock beneath the surface of the Earth, where magma accumulates before a volcanic eruption.