How Can Studying the Geologic History of a Volcano Help

question 98

Multiple Choice

How can studying the geologic history of a volcano help most in eruption forecasting?

• A) Most volcanoes erupt with a regular periodicity, so knowing the time period between eruptive cycles allows accurate predictions of when the next eruption will occur.
• B) Information from geologic records allows scientists to pinpoint how big the next eruption will be from a certain volcano.
• C) Mapping previous volcanic deposits from a volcano is helpful for developing hazard maps for use in land-use planning and disaster preparedness.
• D) Mapping pyroclastic flows from previous eruptions will show exactly where the pyroclastic flows will go in the next eruption.
• E) Mapping the extent of lahars from previous eruptions will show exactly where the lahars will go in the next eruption.

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Definitions:

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A process through which businesses seek to ensure that product quality is maintained or improved, preventing mistakes or defects in manufactured products.

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