USArray
A Continental-scale Seismic Observatory

Multimedia Gallery

Visualizations

As earthquake waves travel along the surface of the Earth, they cause the ground to move. The ground motions can be captured and displayed as a movie, providing a visual demonstration of these often indiscernible movements. Charles Ammon, a professor at Penn State University, has developed animations of earthquake waves using actual earthquake data. The visualizations show how the ground moves as seismic waves sweep across about 400 earthquake recording stations in EarthScope’s Transportable Array. These innovative visualizations have been created for selected large earthquakes that have taken place in the US and around the world.

The visualizations illustrate how seismic waves travel away from an earthquake. Because the array’s seismometers are closely spaced in a grid pattern with unprecedented density, the recorded wave amplitudes at each seismometer clearly show through time how wave after wave progresses along the great circle path from the earthquake’s epicenter.

The circles in the visualization represent earthquake recording stations and the color of each circle represents the amplitude, or height, of the earthquake wave detected by the station’s seismometer. The color of the circle changes as waves of differing amplitude travel past the seismometer. Blue represents downward ground motion, red represents upward ground motion, and darker colors indicate larger amplitudes.

Videos

ASU Video on EarthScope

Eight/KAET, a service of Arizona State University, produced this video on EarthScope and Arizona. It features Ed Garnero and Matt Fouch.

Seismometers Spy Under the Rockies

Geophysicist Anne Sheehan, from the University of Colorado's Cooperative Institute for Research in Environmental Sciences, and the EarthScope team install a seismometer in Brush, Colorado. The instrument will record seismic activity and help scientists understand the structure and composition of Earth's interior.

There are also more videos availiable on the EarthScope Website at: http://www.earthscope.org/resources/multimedia

Educational Seismology Movies

The IRIS Education and Outreach Program also has a wide variety of seismology related movies availiable on their website. These animations and videos explain introductory seismology concepts.

Images

IRIS Image Gallery

There are a wide variety of seismology images (including ones taken of USArray activities) available in the IRIS Image Gallery. The IRIS Image Gallery is located at http://www.iris.edu/hq/gallery

ANF Photo Slideshow

A slide show containing photos of the various USArray stations is available at: http://anf.ucsd.edu/stations/slideshow.php