1
Published in 2015
ShakeAlert is an experimental earthquake early warning system (EEW) for the West Coast of the United States and the Pacific Northwest. ShakeAlert is a product of the US Geological Survey and its partners including the California Institute of Technology, University of California, Berkeley, University...
Grade Level   9 10 11 12
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2
A visualization of earthquake waves traveling both through Earth's interior and radiating outward on the surface.
Grade Level   9 10 11 12
Maps and Visualizations Teaching Media
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3
Published in 2015
The seismic shadows are the effect of seismic waves striking the core-mantle boundary. P and S waves radiate spherically away from an earthquake's focus in all directions and return to the surface by many paths. S waves, however, don't reappear beyond an angular distance of ~103° (as they are...
Grade Level   9 10 11 12
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