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Wind Erosion Research Unit

This website provides a synopsis of wind erosion, which can threaten the sustainability of natural resources. The USDA Wind Erosion Unit provides maps of areas at risk for wind erosion and drought, ...

Alaska Volcano Observatory

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

Improving hurricane prediction

The authors report that a high resolution general circulation model now being used at NASA's Goddard Space Flight Center and Ames Research Center doubles the resolution of most global weather models ...

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 ...

Tsunami warnings using ocean circulation models

This resource is an abstract. This study uses numerical models that take advantage of digital seismometry and satellite radar altimetry to shed light on tsunami source and formation mechanisms. The ...

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 ...

A tsunami warning system for the Indian Ocean

This resource is an abstract. Using tidal gauge data from the time of the 2004 Indian Ocean tsunami, the authors were able to reconstruct the height and speed of the waves and the time it took them ...

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 ...

Predicting catastrophic earthquakes

This resource provides an abstract. This article discusses a method based on the magnitude-frequency distribution of previous earthquakes in a region. It is used to examine the probability of a small ...

Reassessing the earthquake threat to San Francisco

This resource provides an abstract. New research suggests that authorities may need to reassess the threat posed by the Hayward fault, the fault responsible for San Francisco's highly destructive ...

Cracks from a Japanese earthquake heal in two years

This resource provides an abstract. Seventeen years of shockwave recordings were used to investigate crack healing after the large March 1997 Tokai region earthquake in Japan. Recordings taken at two ...

Molten rock makes big earthquakes bigger

This resource provides an abstract. A modified friction welding device was used to spin one small cylinder of granite against another at high speed and pressure in order to simulate two plates ...

Improving earthquake warning in Costa Rica

This resource provides an abstract. This study examines seismic waves from a segment of the Middle America subduction zone below Central America that are capable of producing strong earthquakes. ...

Stopping stick-slip seismic events?

This resource provides an abstract. This study models underground frictional resistance in stick-slip seismic events in order to determine the amount of energy needed to weaken a fault plane enough ...

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 ...

1906 San Francisco Earthquake and Fire Visualizations

This site from the Teaching Geoscience with Visualizations Collection at SERC features the great earthquake that struck San Francisco on April 18, 1906, and the fire that developed afterward. This ...

Earthquake Shaking and Damage

This homework exercise is designed to familiarize students with earthquake shaking, acceleration, intensity and hazards, including the quantitative measurement of these properties. Students analyze ...

Determining Earthquake Probability and Recurrence from Past Seismic Events

Students completing this homework and in-class exercise use historical data from small earthquakes to estimate the recurrence interval of They are encouraged to examine sampling limitations, ...

Angle of Repose

In this activity, students explore how different sediment properties influence slope stability. They make piles of sediments with varied grain size, angularity, and water content and measure the ...




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