The Record of an Earthquake Obtained from a Seismic Instrument

question 23

Multiple Choice

The record of an earthquake obtained from a seismic instrument is a(n) ________.

• A) seismograph
• B) seismogram
• C) time-travel graph
• D) epigraph

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Definitions:

Indonesia

A Southeast Asian country consisting of thousands of volcanic islands, known for its diverse cultures, languages, and ecosystems.

Pyroclastic Flow

A fast-moving current of hot gas and volcanic materials (such as ash and rock fragments) that flows down the side of a volcano during an explosive eruption.

Mudflows

Fast-moving rivers of mud, usually triggered by heavy rainfall or volcanic activity, capable of causing significant damage.

Landslides

The rapid movement of a large amount of earth material, such as rock or soil, down a slope, often triggered by rain or earthquakes.