There Have Been No Observed Megathrust Earthquakes on the Cascadia

question 17

Multiple Choice

There have been no observed megathrust earthquakes on the Cascadia Subduction Zone since the year 1700 because _________________.

• A) subduction has ceased
• B) the plates slip aseismically past each other
• C) the fault is currently locked
• D) our seismographs aren't sensitive enough

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Definitions:

Temperaments

Inborn personality traits that influence how one typically responds to the environment.

Spectrum

A range or continuum of different but related items, values, or conditions, often used to describe frequencies of light, autism disorders, or any comprehensive range.

Temperament

An individual's innate disposition or natural predisposition to behave and react in certain consistent ways.

Emotional Reactivity

The extent to which a person reacts emotionally to events or situations, which can vary widely among individuals.