Incorporated Research Institutions for Seismology
Iris: Earthquake Machine: Parts, Construction, & Extension
See a demonstration of an earthquake slip-stick behavior in the classroom. [6:22]
Incorporated Research Institutions for Seismology
Iris: Fault: Oblique Right Lateral Thrust
Find out what causes a fault to move in oblique direction. [0:21]
Incorporated Research Institutions for Seismology
Iris: Human Wave Demo Modeling P & S Waves in Solids & Liquids
This demonstration explores two of the four (P and S waves) main ways energy propagates from the hypocenter of an earthquake. [8:27]
Incorporated Research Institutions for Seismology
Iris: Ground Motion Visualization for the 04/25/16, M7.8 Nepal Earthquake
These visualizations, using actual data, show how the ground moves as seismic waves sweep across about 400 earthquake recording stations in EarthScope's Transportable Array. [6:34]
Incorporated Research Institutions for Seismology
Iris: Chile (2010) vs Sumatra (2004)
Learn how Chile's tectonic setting and megathrust earthquake of 2010 is similar to the catastrophic earthquake in Sumatra in 2004 by touching icons on this interactive map.
Incorporated Research Institutions for Seismology
Iris: Fault: Oblique
Find out the motion that is halfway between a normal fault and a strike-slip fault. [0:15]
Incorporated Research Institutions for Seismology
Iris: Asperities on Strike Slip Fault: Spaghetti in Vise as an Analogy
This demonstration, squeezing uncooked spaghetti noodles in a wood template set in a vise, effectively shows how asperities (stuck patches) on a fault rupture at different times. [1:44]
Incorporated Research Institutions for Seismology
Iris: A Elastic Rebound on High Friction Strike Slip Fault
This animation shows the buildup of stress along the margin of two stuck plates that are trying to slide past one another. [34]
Incorporated Research Institutions for Seismology
Iris: Resonance: Modeling Resonance in Buildings Using Paper Model
A US Geological Survey Seismologist demonstrates a cheap and kid-friendly version of the BOSS model that shows how buildings of different height oscillate during earthquake shaking. [0:50]
Incorporated Research Institutions for Seismology
Iris: Resonance: Modeling Resonance in Buildings Using Spaghetti Noodles
A USGS seismologist demonstrates how to use spaghetti noodles and raisins to model building resonance during earthquake ground shaking. [1:21]
Incorporated Research Institutions for Seismology
Iris: Building Resonance: Boss Model Demonstration
See a model of how a building reacts to an earthquake. [2:44]
Incorporated Research Institutions for Seismology
Iris: Building Resonance: Boss Model Construction & Use
See how a building responds to seismic waves. [2:37]
Incorporated Research Institutions for Seismology
Iris: Faulting & Folding (Foam Faults Demo)
Video lecture demonstrates the use of foam faults to demonstrate faults, and a deck of cards to demonstrate folds and fabrics in rock layers. [5:57]
Incorporated Research Institutions for Seismology
Iris: Basin & Range: Gps Measures Extension
Find out how scientists know that basin-range extension is ongoing. [1:00]
Incorporated Research Institutions for Seismology
Iris: Fault: Normal Basin & Range With Seismic Stations
A cross section of the shallow crust in the Basin & Range. The earthquake produces seismic waves that bump an array of seismic stations. [0:30]
Incorporated Research Institutions for Seismology
Iris: Basin & Range: Volcanoes
Find out why there is such a variety of lavas in the Basin & Range province. [1:10]
Incorporated Research Institutions for Seismology
Iris: Tectonic (Lithospheric) Plates: Commonly Confused With Crust
Video lecture on four basic types of plate tectonic boundaries: divergent (spreading), transform (strike-slip), and convergent (subduction and continental collision) types of plate boundaries. [2:03]
Incorporated Research Institutions for Seismology
Iris: Plate Boundaries: Convergent, Divergent, Transform
Video lecture on divergent, transform, and convergent types of plate boundaries. [1:30]
Incorporated Research Institutions for Seismology
Iris: Continental Collision: India Asia
This animation shows a cut-globe view of the continental collision between India and Eurasia from 60 million years ago to the present. [0:06]
Incorporated Research Institutions for Seismology
Iris: Basin & Range: Structural Evolution
See how basin and range mountains and valleys form. [1:05]
Incorporated Research Institutions for Seismology
Iris: Basin & Range: Deformation, Erosion & Sedimentation
How do the valleys form in a basin-range province? [0:33]
Incorporated Research Institutions for Seismology
Iris: Fault: Strike Slip
Visualize how a horizontal fault moves. [0:19]
Incorporated Research Institutions for Seismology
Iris: Asperity on a Fault
Find out why faults don't just keep sliding past each other. [0:14]
Incorporated Research Institutions for Seismology
Iris: Asperities on a Strike Slip Fault
Oblique view of a right-lateral strike-slip fault with multiple asperities. [0:27]