A strait is either formed by tectonic shifts or land that has subsided or been eroded. If a strait is created by people rather than geological forces, it is generally referred to as a canal. More »

A strait is a narrow waterway that connects two large bodies of water, while a channel is a wide waterway that passes between two neighboring land masses. For example, the Strait of Gibraltar connects the Atlantic Ocean ... More »

The Arctic lowlands were formed by sheets of ice moving across the land, called glaciation. As the glaciers moved across the lowlands, they dug up sediment and gave the surface a rolling, corrugated look. More »

The Hawaiian Islands are volcanic in origin, and they formed millions of years ago. According to the National Ocean Service, the islands developed because of a hot spot in the middle of the Pacific Ocean. The consistent ... More »

Uluru began to form over 550 million years ago when sand, eroding from the Peterman Ranges, built up into thick deposits. Some 50 million years later, these deposits were compressed into sandstone by the weight of a sea ... More »

Headlands and bays are formed when the sea's waves push hard and soft rock into the landscape, which eventually erodes it. These structures usually form in areas where weak rock rests in front of stronger rock. While som... More »

Islands form in several ways. The most common events that lead to island formation are volcanic activity and continental drift. Islands also form due to erosion, buildup of sediment and coral that grows enough to penetra... More »