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United States Geological Survey (USGS) / 38.9470; -77.3675. The United States Geological Survey ( USGS ), founded as the Geological Survey, is an agency of the United States government whose work spans the disciplines of biology, geography, geology, and hydrology. The agency was founded on March 3, 1879, to study the landscape of the United ...
New Madrid Seismic Zone. The New Madrid Seismic Zone (NMSZ) ( / ˈmædrɪd / ), sometimes called the New Madrid Fault Line, is a major seismic zone and a prolific source of intraplate earthquakes (earthquakes within a tectonic plate) in the Southern and Midwestern United States, stretching to the southwest from New Madrid, Missouri .
The exact geographic center of the U.S. Virgin Islands is unknown — the default center starting point for the U.S. Virgin Islands on Google Maps is located in the Caribbean Sea, 18.21 miles (29.30 km) south-southeast of Saint Thomas and 18.31 miles (29.47 km) north of Saint Croix — note that this point is the approximate center of the 3 ...
The U.S. Geological Survey Library has become one of the largest geoscience libraries in the world. Materials within the library system include books and maps dating back to the 16th and 17th centuries, as well as a nearly complete set of the various State Geological Survey publications. U.S. Geological Survey Library Classification System
The United States Coast and Geodetic Survey ( abbreviated USC&GS; known as the Survey of the Coast from 1807 to 1836; as the United States Coast Survey from 1836 until 1878) was the first scientific agency of the United States Government. It existed from 1807 to 1970, and throughout its history was responsible for mapping and charting the coast ...
Surveying was not only for the wealthy plantation owners, but the entire new nation needed to be surveyed and resurveyed. Most of all, the proposed new capital city, bearing Washington's name, needed to be surveyed. A two-man team would survey what became the District of Columbia in 1791. The first was Benjamin Banneker, a free ex-slave, who ...
2. 2022 Ferndale earthquake [35] April 5, 2024. New Jersey. 4.8 M w. 0. 2024 New Jersey earthquake [36] Two-percent probability of exceedance in 50 years map of peak ground acceleration from the United States Geological Survey, released July 17, 2014.
A political map of the United States showing the 50 states, the national capital of Washington, D.C., and the five major U.S. territories. Geography of The United States Continent North America Coordinates Area Ranked 3rd/4th • Total 9,826,675 km 2 (3,794,100 sq mi) • Land 93.24% • Water 6.76% Coastline 19,920 km (12,380 mi) Borders Canada: 8,864 km (5,508 mi) Mexico: 3,327 km (2,067 mi ...