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Great Hurricane of 1780
The Great Hurricane of 1780 is considered the deadliest Atlantic tropical cyclone of all time. About 22,000 people died when the storm pounded Barbados, Martinique, and Sint Eustatius in the Lesser ... > more -
Biodiversity hotspot
A biodiversity hotspot is a biogeographic region that is both a significant reservoir of biodiversity and is threatened with destruction. The term biodiversity hotspot specifically refers to 25 ... > more -
Timeline of environmental events
The timeline of environmental events is a historical account of events that have shaped humanity's perspective on the environment. This timeline includes some major natural events, man-made ... > more -
Geology of the Himalaya
The Geology of the Himalaya is a record of the most dramatic and visible creations of modern plate tectonic forces. The Himalayas, which stretch over 2400 km are the result of an ongoing orogeny, the ... > more -
Mount St. Helens
Mount St. Helens is an active stratovolcano in Skamania County, Washington, in the Pacific Northwest region of the United States. It is located 96 miles (154 km) south of the city of Seattle and 53 ... > more -
Mount Etna
Mount Etna is an active volcano on the east coast of Sicily, close to Messina and Catania. It is the largest active volcano in Europe, currently standing about 3,350 m (10,991 ft) high, though it ... > more -
Doppler radar
Doppler radar uses the Doppler effect to measure the radial velocity of targets in the antenna's directional beam. The Doppler effect shifts the received frequency up or down based on the radial ... > more -
Hurricane Katrina
Hurricane Katrina was the costliest and one of the five deadliest hurricanes in the history of the United States. It was the sixth-strongest Atlantic hurricane ever recorded and the third-strongest ... > more
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