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An earthquake with a preliminary magnitude of 7.7 struck 225 km (140 miles) southwest of Puerto Montt in southern Chile on Sunday, United States Geological Survey said. A tsunami warning was issued for areas within 1,000 km (621 miles) of the epicenter of the quake, the U.S. #Chile #earthquake #Magnitude #quake #tsunami #Tsunami warning #warning

Ancient Egyptian, Discoveries in America - The first report of the Egyptian Tunnel Cities in the Grand Canyon to the Smithsonian Instution was by John Westly Powell. John Westly Powell and his Survey Employees Surveyed the Grand Canyon from 1872 to 1896 John Westly Powell was employed The United States Geological Survey (USGS) which is a Scientific Survey agency of the United States Government.

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Principal Gold-Producing Districts of the United States Geological Survey 610 HC

USGS/EROS Data Center

The United State Geological Survey’s (USGS) Center for Earth Resources Observation & Science (EROS) | Visit Sioux Falls

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Chile jolted by major 7.6-magnitude earthquake

An earthquake with a preliminary magnitude of 7.7 has struck southwest of the city of Puerto Montt in southern Chile, according to the United States Geological Survey. The agency put the quake’s magnitude at 7.7 and said it struck at 11:22 am local time near the southern tip of Chiloé Island, about 25 miles (40km) southwest of Puerto Quellón city and at a depth of 20 miles (33km). The area, about 140 miles (225km) from Puerto Montt, is relatively sparsely populated.

Preliminary Report of the United State Geological Survey of Wyoming, and Portions of Contiguous Territories

Preliminary Report of the United State Geological Survey of Wyoming, and Portions of Contiguous Territories

Title Preliminary Report of the United State Geological Survey of Wyoming, and Portions of Contiguous Territories Author Hayden, F.V. Binding Hardcover Publishe

Where to Live to Avoid a Natural Disaster

Map details disaster hot spots (and cool spots) across the country. Where does your area fall?

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March 29, 2014 After being rocked by a Magnitude 4.4 earthquake earlier this month, the Los Angeles area was rattled by yet another powerful tremor on Friday night. The new quake was rated M5.1, centred near Brea in Orange County at a depth of around 8 km, around 32 km away from downtown Los Angeles. The United States Geological Survey reported dozens of large aftershocks, including some as strong as M3.6

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Imagine, for a moment, that you're a bee

Researchers set out to discover what bees experience when they approach a flower and gather pollen. Honeybees tell each other where the good pollen is by doing a dance that varies in angles and speed. Bees use pollen, packed with protein and fats, to nourish themselves and their young. Photo: SAM DROEGE/UNITED STATES GEOLOGICAL SURVEY, HO / SAM DROEGE/UNITED STATES GEOLOGICAL SURVEY