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The Chesapeake Bay impact crater is a buried impact crater, located beneath the mouth of Chesapeake Bay, United States. It was formed by a bolide that struck the eastern shore of North America about 35.5 ± 0.3 million years ago, in the late Eocene epoch. It is one of the best-preserved "wet-target" impact craters in the world. [3]
On the Eastern Shore of Maryland, Hurricane Isabel produced a storm surge peaking at 8 feet (2.4 m) on the Chesapeake Bay in Hoopers Island and 6.5 feet (2.0 m) on the Atlantic coast in Ocean City. [12] The track of the hurricane to the west funneled into the bay and was so strong it negated the normal tide cycle in the bay.
The National Hurricane Center issued a hurricane watch from the North Carolina/Virginia border to Chincoteague near its border with Maryland about 50 hours before Isabel struck land, including the southern portion of the Chesapeake Bay. 18 hours before the hurricane made landfall, the National Hurricane Center upgraded the watch to a hurricane ...
In July, the Bay received a C+ grade, its best in 20 years, in the University of Maryland Center for Environmental Science’s 2023/2024 Chesapeake Bay Watershed Report Card.
Along the Chesapeake Bay, a storm surge of up to 6 ft (1.8 m) inundates coastal communities. [46] This causes tidal flooding which results in one injury and forces several people to evacuate. [47] The heavy rainfall severely floods the Potomac River, damaging over 500 homes and destroying nearly 450 acres (1.8 km 2) of corn and soy crops. [48]
Boundaries of the Chesapeake Bay impact crater. The Chesapeake Bay is an estuary to the North Atlantic, lying between the Delmarva Peninsula to the east and the North American mainland to the west. It is the ria , or drowned valley, of the Susquehanna River , meaning that it was the alluvial plain where the river flowed when the sea level was ...
The Chesapeake Bay Bridge, connecting the eastern and western shores of Maryland was completed in 1952. Length of the suspension span is 2,922 feet and the roadway is about 200 feet above water at ...
Photomicrograph of a shocked quartz grain (0.13 mm across) from the Chesapeake Bay impact crater, showing shock lamellae. Shocked quartz is usually associated in nature with two high-pressure polymorphs of silicon dioxide: coesite and stishovite. These polymorphs have a crystal structure different from standard quartz.