Thousands of tourists to other parts of the Caribbean could be affected by the Haitian earthquake, warned Squaremouth.com, a comparison website for travel insurance.

Squaremouth cautioned that travel insurance for upcoming trips in the region may not cover all destinations near the earthquake zone, including the Dominican Republic, which shares a land border with Haiti.

"If you bought travel insurance after Jan. 12, it’s quite likely you won't be covered if something happens while you're traveling to an area affected by Haiti's earthquake," warned CEO Chris Harvey.

Travel insurance policies generally do not cover events related to natural disasters in progres....