Regional hazard models are important in tectonic hazard assessment because they

• A. Incorporate local geology and data for targeted mitigation, building codes, and insurance.
• B. Replace global hazard context.
• C. Only focus on tsunamis.
• D. Ignore local variability.

Answer: (A)

Regional hazard models tailor hazard estimates to local conditions, incorporating local geology, fault behavior, and data availability so the risks reflect what a specific area would actually experience. That local detail makes the results directly useful for practical decisions like designing buildings to withstand expected shaking, setting building codes, and informing insurance assessments. Global models provide a broad view, but regional models add the necessary specificity to guide mitigation where it matters most. They also account for how hazards vary from place to place and are not limited to a single type of hazard, rather than ignoring local variability.