Geography
The island, located at 62°58′37″S 60°39′00″W / 62.97694°S 60.65°W / -62.97694; -60.65Coordinates: 62°58′37″S 60°39′00″W / 62.97694°S 60.65°W / -62.97694; -60.65, is approximately circular with a diameter of about 12 km (7.5 mi). A peak on the east side of the island, Mount Pond, has an elevation of 542 m (1,778 ft), and over half the island is covered by glaciers. The centre of the island is a caldera formed in a huge (VEI-6) eruption which has been flooded by the sea to form a large bay, now called Port Foster, about 9 km (5.6 mi) long and 6 km (3.7 mi) wide. The bay has a narrow entrance, just 230 m (755 ft) wide, called Neptunes Bellows. Adding to the hazard is Ravn Rock, which lies 2.5 m (8.2 ft) below the water in the middle of the channel. Just inside Neptunes Bellows lies the cove Whalers Bay, which is bordered by a large black-sand beach.
Several maars line the inside rim of the caldera, with some containing crater lakes (including one named Crater Lake). Others form bays within the harbour, such as the 1 km (0.6 mi) wide Whalers Bay. Other features of the island include Mount Achala, Primero de Mayo Bay, Sewing-Machine Needles, Telefon Bay and Telefon Ridge.
Read more about this topic: Deception Island
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