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11.3 Measuring Earthquakes

In this section you will find materials that support the implementation of 11.3: Measuring Earthquakes. Use the navigation below to find the materials.

Section Materials


Resources

Visions of Earth, by AGI
A four-DVD set on interactions in Earth systems.

Seismograms for 2005 October 8, by USGS
This USGS page contains seismograms from more than 25 stations around the world that recorded the waves from the October 8, 2005 Pakistan earthquake.

Latest Earthquakes, by USGS
Using KML Files for Google Earth display real-time earthquakes in Google Earth. Google Earth is an interactive, 3D viewer that uses USGS elevation data and a variety of public and private imagery sources, allowing the user to seamlessly zoom from a global scale down to less than a meter in many urban areas. To display the latest earthquakes, download one of the KML files on the above site and open it in Google Earth. You and your students will be fascinated by what you discover!

Earthquake Center Homepage, by USGS
This is the homepage to a world of information from the USGS on Earthquakes. It has recent information and past information, with links to animations, maps, etc. Great site to explore!

Educator's Guide to Convection, by Jet Propulsion Laboratory
This page includes a brief discussion on convection and links to see photos or animations that demonstrate convection.

Mantle Convection Movies, by California Institute of Technology
This page shows animations on mantle convection and plate movement.

Earthquakes and Seismicity, by USGS
Description of the scale currently used in the US. Includes a good explanation of the difference between intensity and magnitude.

"Seismometers, Seismographs, and Seismograms", by USGS Cascades Volcano Observatory
Learn about seismometers, seismographs and seismograms.

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Animations

Visions of Earth, by AGI
82 High-definition animations showing a variety of Earth and space system processes.

How a Seismograph Works, by SERC
A Flash animation by W.W. Norton that first shows the arrival of seismic waves to a seismograph. Except for the immobile seismograph mass (heavy weight with pen) which does not move due to inertia, everything else shakes. This includes the horizontal rotating drum upon which seismic waves will be recorded. The animation can be paused and rewound to show the arrival sequence of P, S, and surface waves.

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