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Date published: March 15, 2001

Scientists Return to Ancient Impact Crater

March will mark the beginning of a new field season for scientists from the U.S. Geological Survey (USGS) and its cooperators who will begin drilling a second core hole into an impact structure created 35 million years ago when an asteroid or comet slammed into the ocean near the present-day mouth of the Chesapeake Bay.

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Date published: March 14, 2001

Desert Tortoise Council to Meet in Tucson

The health and environment of desert tortoises will be the focus of the 26th Annual Meeting and Symposium of the Desert Tortoise Council, in Tucson, Ariz., March 16 through 19.

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Date published: March 10, 2001

Spring Rains Help Water Levels

March rains helped water levels increase across Maryland and Delaware, according to hydrologists at the U.S. Geological Survey (USGS) in Baltimore, Maryland. Additionally, water storage in the Baltimore reservoir system increased by 5 percent to 92 percent of capacity at the end of March.

Date published: March 7, 2001

Earthquake Shakes Eastern Tennessee

A minor earthquake, preliminary magnitude 3.2 according to the U.S. Geological Survey, occurred today (Mar. 7), about 15 miles (30 km) WNW of Athens, Tennessee at 11:12 am local time (Eastern Standard Time). The earthquake was felt in Athens. The USGS has received no reports of damage at this time.

Date published: March 6, 2001

Removal of Obsolete Forest Roads Can Reduce Erosion and Sediment That Impair Salmon-bearing Streams

Removing abandoned forest roads and restoring the natural characteristics of slopes and stream channels in the Redwood National and State Parks in northern California have substantially reduced the delivery of sediment to salmon-bearing streams, according to a research geologist with the U.S. Geological Survey.

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Date published: March 2, 2001

Science, Mitigation Helped Preserve Seattle during Quake

Advanced seismic monitoring, long term research, a commitment to hazard preparedness and mitigation and some good luck all played a role in ensuring that yesterday’s earthquake near Seattle was not more devastating.

Date published: March 1, 2001

Minor Aftershock hits Seattle

A minor aftershock struck the Seattle area early Thursday morning, March 1, 2001. The aftershock, which struck at 1:10 a.m. local time, had a preliminary magnitude of 3.4 and was felt throughout the Seattle-Tacoma-Olympia area.

Date published: February 28, 2001

USGS Reports Seattle Area Earthquake

A strong earthquake, with a preliminary magnitude of 6.8, struck near Olympia, Washington, south of Seattle, at 10:55 a.m. PST on February 28, 2001, the U.S. Geological Survey reported.

Date published: February 23, 2001

USGS Study Shows Colorado Plateau Coal Plentiful

A new U.S. Geological Survey (USGS) assessment of the nation’s coal resources shows abundant high quality, low-sulfur coal on federal and private lands in the Colorado Plateau region of Arizona, Colorado, New Mexico and Utah. The area is also home to vast quantities of coal bed methane gas - natural gas contained in coal.

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Date published: February 22, 2001

National Invasive Weeds Awareness Week 2001

Biological wildfire. The green cancer. For invasive plants, scientists say, these labels may even be understatements since, over time, non-native plant invasions can spread to unmanageable levels, often leaving extinctions and altered ecosystems in their wake. And, they cost the U.S. billions of dollars annually while presenting an ecological threat that researchers say is second only to habitat d

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Date published: February 20, 2001

Twin-engine Airplane to Make Flights Over an Area West of San Antonio, Texas

A twin-engine airplane, operated under contract to the U.S. Geological Survey, will be flying low-altitude geophysical surveys over an area west of San Antonio beginning around February 24, 2001. The survey will cover parts of Uvalde, Medina and Bexar counties. The survey should be completed in about four weeks, weather permitting.

Date published: February 19, 2001

USGS Science Supports CALFED's Restoration Plan For the Delta

Like the Florida Everglades, California’s Sacramento-San Joaquin River Delta has been radically transformed by human activities. In the past three decades, monitoring programs have documented remarkable declines in living resources from primary producers to fish. 

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