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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
View current and past earthquakes around the globe. Use the zoom tool to see a particular region in detail.
Grade Level   6 7 8 9 10 11 12
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3
A diverse collection of photographs and visuals that encompass the range and breadth of seismology and the seismological community.
Grade Level   6 7 8 9 10 11 12
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4
Subduction-zone megathrust earthquakes, the most powerful earthquakes in the world, can produce tsunamis through a variety of structures that are missed by simple models. These include fault boundary rupture, deformation of overlying plate, splay faults and landslides. In this animation we explore...
Grade Level   9 10 11 12
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5
In this animation, we are shoeing an ocean/continent convergent boundary at the leading edge of the plate. We see the denser oceanic plate diving beneath the continental plate. The down-going oceanic plate eventually warms up to the temperature of the surrounding mantle. Such destruction (recycling)...
Grade Level   9 10 11 12
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6
Oblique view of a highly generalized animation of a subduction zone where an oceanic plate is subducting beneath a continental plate. This scenario can happen repeatedly on a 100-500 year cycle. The process which produces a mega-thrust earthquake would generate a tsunami (not depicted here).
Grade Level   9 10 11 12
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7
"This simplified animation illustrates both the subduction-zone processes that lead to a """"""""ghost forest"""""""" as well as the evidence that scientists collected to determine that the Pacific Northwest has had many great earthquakes and tsunamis in the past, and will again inthe future. This...
Grade Level   9 10 11 12
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8
This animation shows that GPS can record the movement of the leading edge of the overlying continental plate in a subduction zone. The plates are locked and the overlying plate is forced back. When friction is overcome and strain is released, the GPS receiver will snap back toward its original...
Grade Level   9 10 11 12
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9
This animation shows that GPS can record the movement of the leading edge of the overlying continental plate in a subduction zone. The plates are locked and the overlying plate is forced back. When friction is overcome and strain is released, the GPS receiver will snap back toward its original...
Grade Level   9 10 11 12
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10
A visualization of earthquake waves traveling both through Earth's interior and radiating outward on the surface.
Grade Level   9 10 11 12
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11
Video lecture demonstrates the use of foam faults to demonstrate faults, and a deck of cards to demonstrate folds and fabrics in rock layers. Different types of faults include: normal (extensional) faults; reverse or thrust (compressional) faults; and strike-slip (shearing) faults.
Grade Level   9 10 11 12
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12
Video lecture on divergent, transform, and convergent types of plate boundaries. Recorded during a 2007 teacher workshop on earthquakes and tectonics. Speaker is Dr. Robert Butler, University of Portland Oregon. Three main types of plate boundaries: Divergent: extensional; the plates move apart....
Grade Level   9 10 11 12
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