Nearly 200,000 people live, work or pass through one of California’s volcanic hazard zones on a daily basis, and there’s a 16 percent chance of an eruption in the state within the next 30 years.
Nearly 200,000 people live, work or pass through one of California’s volcanic hazard zones on a daily basis, and there’s a 16 percent chance of an eruption in the state within the next 30 years.