6.5 million Americans face landslide risks—a new database shows where they live

Landslides cause an estimated $3 billion to $6 billion in damage and multiple fatalities annually in the United States. Those numbers could easily increase as housing needs spur development in landslide-prone areas and climate change increases the severity and frequency of heavy rains, which often trigger landslides. Despite the threat, there has never been a systematic, nationwide accounting of who is most at risk from landslides.

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