A Seismograph 300 Km from the Epicenter of an Earthquake

question 55

Multiple Choice

A seismograph 300 km from the epicenter of an earthquake recorded a maximum amplitude of . Find this earthquake's magnitude. ​

• A) M = 3.8
• B) M = 7.8
• C) M = 6.5
• D) M = 7.1
• E) M = 8.7

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Definitions:

Pedal Erythema

Redness or inflammation of the skin on the feet, which can be a sign of infection, inflammation, or circulatory issues.

Lichenification

A skin condition characterized by thickened, leathery patches resulting from excessive scratching or rubbing.

Keratosis

A general term for any skin condition characterized by an overgrowth of keratin, leading to rough, scaly patches.

Fissure

A long, narrow, and deep crack or opening often found in the anatomy of the body, such as the skin or the folds of the brain, that can indicate disease or a division between anatomical structures.