Laying mines is cheap—and easy. Clearing them is expensive and hard. The potential consequences are terrifying.

Liquefaction: Areas along waterways are at the greatest risk of liquefaction. Divided between “low,” “moderate,” and “high,” severity, the map puts Santa Maria, Lompoc, Buellton, Ballard, Los Olivos, ...

Harris County’s draft FEMA flood maps could move thousands into higher-risk zones. Check your flood designation and ...