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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 ...

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 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 ...

3-D Simulations of Magnitude 7.1 Earthquakes Along the Hayward Fault

This set of simulations presents the results of simulated ground motions in the San Francisco Bay Area due to earthquakes of Magnitude 7.1 along the Hayward fault. Three rupture scenarios are ...

Crustal structure and tectonics from the Los Angeles basin to the Mojave Desert, southern California
A seismic refraction and low-fold reflection survey, known as the Los Angeles Region Seismic Experiment (LARSE), was conducted along a transect extending from Seal Beach, California, to the Mojave ...

Misconception of energy release in earthquakes
Analyzes how textbooks define and describe an earthquake focus or hypocenter. Provides examples from textbooks that reflect an absence of precision in words and diagrams that can foster ...

Scent of a myth: tectonics, geochemistry and geomythology at Delphi (Greece)
Extensive geochemical investigation (of water, travertine, soil and diffuse gas), coupled with geo-structural analysis, provides new insights into local fault-fluid interaction and allows us to ...

Rainfall-induced lahars in the Belham Valley, Montserrat, West Indies
Rain falling on loose volcanic debris over the Soufriere Hills Volcano, Montserrat generates hazardous floods in the Belham Valley. These rainfall-induced lahars vary greatly in discharge and ...

Seven Days

A SCEC-VDO movie showing two approx. magnitude 5 earthquakes that occurred within seven days in Southern California. The second earthquake is on or near the San Andreas fault and led to concern of a ...

Micro-Blocks in Southern California

This SCEC-VDO movie shows how faults are bounding surfaces of micro-blocks of the earth

Southern California Earthquake Center (SCEC) Community Fault Model (over 150 major faults of Southern California)

This is a movie made using the SCEC-VDO software showing a 3D animation of the SCEC Community Fault Model (over 150 major faults of Southern California). The movie highlights the San Andreas and ...

Google Earth Science - Page 1

This selection of Google Earth and SketchUp files illustrate and model seismic zones using block models and cross-sections. Regions include Japan, Seattle, the Rockies, San Francisco, Iceland, the ...

Southern California ShakeOut

These compelling earthquake simulations show ground movement and wave propagation as an earthquake rupture propagates along the San Andreas Fault. These simulations are from the Great Southern ...

IRIS: Seismic Monitor

This web site provides an interactive map of global seismic activity that is updated every 30 minutes. The site uses data from the National Earthquake Information Center to produce a world map with ...

Our Dynamic Planet

This CD-ROM consists of tools for learner investigations of data that support the theory of Plate Tectonics. Data are accessible through a point and click interface with extensive online help. This ...

Teachable Moments: Haiti Earthquake

This page from IRIS includes links to resources about the geology of the January 12, 2010 Haiti earthquake. Included are animation/visualization links, USGS resources, and others.

NOAA Indian Ocean Tsunami Animation

This Quicktime visualization from NOAA concentrates on the wave propagation as it occurred in the Indian Ocean as a result of the Sumatra earthquake. This animation can be paused, rewound and ...

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, ...

Southern California Earthquake Center Animations and Movies

This site hosts several movies and animations of fault processes and earthquakes in Southern California. The files are .mov files and are viewable with QuickTime.




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