The 82nd Airborne division helicoptered in to a golf course in the hills above Port-au-Prince, and is now running a camp for 50,000 displaced Haitians, struggling for food and water.
As Haiti is rebuilt after the earthquake, attention should be paid to its environmental problems, especially deforestation.
A Monitor reporter at the Haiti-Dominican border hears from the Red Cross about priorities and a situation that "exceeded our imagination."
The same earthquake fault that lies under Haiti also runs through the Dominican Republic. Geologists warn that the Haiti quake – at the Enriquilla-Plantain Garden Fault – may have added strain elsewhere and more quakes are possible.
With more than 350,000 Haitians living in Florida, the emotional shock waves from Tuesday's earthquake are severe. In Miami, community leaders begin to organize Haiti disaster relief.
Relief agencies have put out calls for donations, and are preparing teams to go to Haiti in the wake of Tuesday's quake. A hospital, the National Palace, and other buildings in Haiti's capital were damaged in the biggest earthquake to hit the island in 200 years.
Loss of sea access hits the Dominican Republic’s already pressed fishermen.