Hurricane Melissa, now a powerful Category 5 storm, is bearing down on Jamaica and is forecast to be the worst storm in the island's history.

Jamaica is bracing for the powerful Hurricane Melissa to make landfall Tuesday, threatening to bring a destructive onslaught of rain, storm surge and winds.

Landslides — defined by the USGS as “the movement of a mass of rock, debris or earth down a slope” — are capable of traveling tens of miles (kilometers) per hour and can damage homes and block roads ...