The Geologist C

question 42

Multiple Choice

The geologist C. F. Richter defined the magnitude of an earthquake to be where I is the intensity of the quake (measured by the amplitude of a seismograph 100 km from the epicenter) and S is the intensity of a "standard" earthquake (where the amplitude is only cm) . The 1989 Loma Prieta earthquake that shook San Francisco had a magnitude of on the Richter scale. The 1906 San Francisco earthquake was times as intense. What was its magnitude on the Richter scale?

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Definitions:

Groupthink

A psychological phenomenon occurring within a group of people in which the desire for harmony or conformity results in an irrational or dysfunctional decision-making outcome.

Ebbinghaus

Hermann Ebbinghaus, a German psychologist known for his pioneering work on memory and the forgetting curve.

Nonsense Syllables

Meaningless sets of two or three letters that are used in memory and learning experiments to study the learning process.

Memory

The mental ability that allows for the keeping, maintaining, and recovering of information throughout time.