Animations for Case of the Mysterious Earthquakes

Time vs Strain: Wood block animation illustrating strain build up and release: 1A.BlocksSlowSlip-Strain.mov (v. Feb 2007) [mov, 85 mb]

 

Time vs Distance: Wood block animation illustrating episodic movement in subduction zone: 1B.BlocksSlowSlip-TimeDist.mov (v. Feb 2007) [mov, 84 mb]

 

Types of Motion in a Subduction Zone- 5.GPS-3grid-subduction-Groom.mov (v. May 2010) [mov, 2.7mb]

 

Episodic Tremor and Slip animation showing movement of GPS station and seismic shaking data: ETS-graph-WithSeismic.mov (v. Jul 2009) [mov, 3 MB]

 

SubductionWithTsunami.mov (Sep 2006) [mov, 3 MB]

 

Convergent Boundary

n this animation, we are showing an ocean/continent convergent boundary. 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) of oceanic plates occurs along convergent boundaries where plates collide and an oceanic plate is subducted. (This animation does not address volcanoes formed inboard of the boundary where water released from the oceanic plate facilities magma production in the mantle wedge beneath the continent.) [source: IRIS http://www.iris.edu/hq/programs/education_and_outreach/animations/11]