The Great Sound is large ocean inlet (a

sound In physics, sound is a vibration that propagates as an acoustic wave through a transmission medium such as a gas, liquid or solid. In human physiology and psychology, sound is the ''reception'' of such waves and their ''perception'' by the br ...

) located in

Bermuda Bermuda is a British Overseas Territories, British Overseas Territory in the Atlantic Ocean, North Atlantic Ocean. The closest land outside the territory is in the American state of North Carolina, about to the west-northwest. Bermuda is an ...

. It may be the submerged remains of a Pre-

Holocene The Holocene () is the current geologic time scale, geological epoch, beginning approximately 11,700 years ago. It follows the Last Glacial Period, which concluded with the Holocene glacial retreat. The Holocene and the preceding Pleistocene to ...

volcanic caldera. Other geologists dispute the origin of the Bermuda Pedestal as a volcanic hotspot.

Geography

The Great Sound dominates the southwest of the island chain and forms a

natural harbour A harbor (American English), or harbour (Commonwealth English; see spelling differences), is a sheltered body of water where ships, boats, and barges can be moored. The term ''harbor'' is often used interchangeably with ''port'', which is ...

. It is surrounded on all sides by islands, except for the northeast, where it is open to the

Atlantic Ocean The Atlantic Ocean is the second largest of the world's five borders of the oceans, oceanic divisions, with an area of about . It covers approximately 17% of Earth#Surface, Earth's surface and about 24% of its water surface area. During the ...

Peninsulas

To the south, two small peninsulas jut into the sound separating it from the smaller Little Sound. In the east, the Great Sound narrows to form

Hamilton Harbour Hamilton Harbour (formerly known as Burlington Bay) lies on the western tip of Lake Ontario, bounded on the northwest by the City of Burlington, on the south by the City of Hamilton, and on the east by Hamilton Beach (south of the Burlington ...

. Bermuda's capital,

Hamilton Hamilton may refer to: * Alexander Hamilton (1755/1757–1804), first U.S. Secretary of the Treasury and one of the Founding Fathers of the United States * ''Hamilton'' (musical), a 2015 Broadway musical by Lin-Manuel Miranda ** ''Hamilton'' (al ...

, is on the northern shore of this harbour.

Islands

Numerous islands lie within the Great Sound, most of them on the southeastern side of it, including Darrell's Island, Hawkins Island, Hinson's Island,

Long Island Long Island is a densely populated continental island in southeastern New York (state), New York state, extending into the Atlantic Ocean. It constitutes a significant share of the New York metropolitan area in both population and land are ...

, Marshall's Island, and Watling Island. Most of these were obtained by the Royal Navy during the 19th Century and used for various naval purposes. Several were used by the army during the Second Boer War for a prisoner-of-war camp ( Agar's Island was used by the army as a munitions depot).

History

During the

Second World War World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...

Great Sound was the location several military installations: The

United States Navy The United States Navy (USN) is the naval warfare, maritime military branch, service branch of the United States Department of Defense. It is the world's most powerful navy with the largest Displacement (ship), displacement, at 4.5 millio ...

's Naval Operating Base, the Royal Naval Dockyard, on Ireland Island, RAF Darrell's Island, and Royal Naval Air Station Bermuda, on Boaz island.

References

Sounds of Bermuda Volcanoes of Bermuda Calderas of North America Pre-Holocene volcanism {{Bermuda-geo-stub