Instructional Video
Incorporated Research Institutions for Seismology

Iris: Earthquakes Scattered Across the Globe Recorded by One Station

9th - 10th
Animation features a gridded sphere that shows a seismic station recording 10 different earthquakes that are widely scattered. [1:22]
Instructional Video
Incorporated Research Institutions for Seismology

Iris: 1 Component Seismogram: Building Responds to P, S, Surface Waves

9th - 10th
Seismic waves travel through the earth to a single seismic station. Scale and movement of the seismic station are greatly exaggerated to depict the relative motion recorded by the seismogram as P, S, and surface waves arrive. [0:50]