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Ecosystem Management Coordination

This US Forest Service site provides access to the major information collection, storage, analysis, and decision-making processes used to manage the lands and resources of the National Forest system. ...

National Environmental Policy Act (NEPA) from the US Forest Service

Federal legislation enacted in 1970 requires that government agencies consider the environmental costs of their actions through a process of environmental impact statements and public comment. This ...

Corrections of the Indian gauge data used for early assessments of the great 26 December 2004 earthquake

This resource is an abstract. This study re-evaluates slip velocity over the region of the December 26, 2004 Sumatra-Andaman earthquake. Using new data, the authors found that a mixed mode of slip ...

Listening to the 2004 Indian Ocean tsunami quake

This resource is an abstract. This study tracks the movement of the rupture that caused the December 26, 2004 Indian Ocean tsunami by comparing recordings of sound waves from five sensors located ...

Estimating Hurricane-Force Winds

This resource provides an abstract: To better measure hurricane-force winds, the authors studied various types of synthetic aperture radar (SAR) wind retrieval schemes applied to the high winds ...

Earthquake causes distant tremors off Japan coast

This resource provides an abstract. Japan has a nationwide network to sense tremors triggered from waves that traveled long distances through the Earth�s crust. Data from the 2003 Tokachi-oki ...

Tsunami "shadows" may allow remote detection of tidal waves

This resource provides an abstract. This study investigates tsunami shadows, extended dark strips on the ocean surface before a tsunami. Such shadows are found to result from an air-sea interaction ...

How volcanic eruptions cause tsunamis

This study investigates the effect of pyroclastic flows on tsunami generation. The authors analyzed several possible mechanisms that occur when the particle rich flows encounter water and conclude ...

Hurricane Katrina Storm Report

This website chronicles the progress of Hurricane Katrina from August 25th to August 29th, 2005. The site includes photos, videos and text written by storm chasers recounting Katrina's first landfall ...

Hurricanes: health and safety

The Centers of Disease Control and Prevention created this website to inform citizens about the health and safety issues related to Hurricane Katrina. The website includes an information spotlight ...

Environmental Concerns after Hurricane Katrina

The Centers for Disease Control (CDC) is responsible for identifying and monitoring environmental hazards to health, measuring exposure to those hazards, and working to prevent exposure to ...

Alaska Volcano Observatory

This resource contains general information about the location and activity of volcanoes in Alaska, including St. Paul and St. George Islands.

Using GPS to measure remote earthquakes

A comparison of data from ground measurement stations and seismic observation platforms along with GPS observations provide evidence that the 2003 San Simeon, CA earthquake ruptured in a fan-shaped ...

Silent earthquakes in Cascades

Evidence from GPS and seismometer data indicate that slow faulting has occurred along the plate interface deep beneath the Klamath Mountains nearly every 11 months since at least 1998. Since slow ...

Plumbing the depths of the San Andreas Fault

Seismic monitors at the San Andreas Fault Observatory at Depth project provide vertical seismic profiles. The authors analyzed these profiles to detect microearthquake waves and gain valuable ...

Identifying source of infrasonic waves from Denali earthquake

The source of acoustic signals associated with the 2002 7.9 magnitude Denali earthquake was traced by estimating the speed of the waves as they moved eastward along the Denali fault. The ground ...

Using GPS for earthquake imaging

This resource provides an abstract. The authors used a dense array of Global Positioning System (GPS) stations to model how the Earth slipped during the 2003 8.0-magnitude Tokachi-Oki earthquake near ...

Details of North African tectonics

Global Positioning System (GPS) and ground-based measurements were used to study coastal shoreline movement after the 2003 6.8-magnitude earthquake in Algeria. The authors recorded ground deformation ...

Earth's formations help transfer energy from earthquakes

Data from the 1906 San Francisco earthquake was used to model the transfer of accumulated stresses along the San Andreas fault line. It was found that the Earth's upper mantle and lower crust regions ...

Special section on Eastern Turkey Seismic Experiment

Studies of the early stages and consequences of the ongoing convergence of three tectonic plates in Turkey over the past 10-20 million years are compiled in the 15 December 2003 issue of Geophysical ...




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