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Revisiting your classroom’s walls: The pedagogical power of postersIRIS is keenly interested in ensuring that all its products and programs are highly effective. This whitepaper, generated from on-going work examining posters in classrooms, presents five strategies or “tips” to maximize the educational value of posters in light of what we know about the learning process and the complex relationship between the learning environment and students. |
A Century of Earthquakes
On April 18, 1906 a powerful earthquake shook San Francisco leading to fires that devastated the city. That earthquake brought seismology into the forefront as a science in the U.S. This poster outlines the lessons learned from the 1906 San Francisco earthquake and discusses 100 years of large earthquakes, including the Sumatra earthquake that caused the devastating tsunami.
Sumatra - Andaman Island Earthquake
This assembly of seismograms displays the vertical movement of the Earth's surface due to seismic waves generated by the earthquake. The seismograms are plotted with respect to time since the start of the earthquake on the horizontal axis and are sorted vertically according to distance from the epicenter in degrees.
Spanish version available
Exploring the Earth Using Seismology
Earthquakes create seismic waves that travel through the Earth. By analyzing these seismic waves, seismologists can explore the Earth's deep interior.
On January 17, 1994 a magnitude 6.9 earthquake near Northridge, California released energy equivalent to almost 2 billion kilograms of high explosive. The earthquake killed 51 people, caused over $20 billion in damage, and raised the Santa Susana Mountains north of Los Angeles by 70 centimeters. It also created seismic waves that ricocheted throughout the Earth's interior and were recorded at geophysical observatories around the world. The paths of some of those seismic waves and the ground motion that they caused are shown in this poster.
Spanish version available
Global Seismographic Network (temporarily out of stock)
The Global Seismographic Network (GSN) consists of more than 125 GSN stations located around the world with near-uniform spacing - from the South Pole to Siberia, and from the Amazon Basin to the seafloor of the Northeast Pacific Ocean. This multi-use facility provides data for scientific research, education, earthquake hazard mitigation, tsunami warning, and the international monitoring system for the Comprehensive Nuclear Test-Ban Treaty. In addition, real-time GSN data are broadcast to museum displays that are seen by over 10 million visitors each year.
History of Seismology
The History of Seismology Depicting original sketches, photographs and colorful new imagery, this poster captures the major milestones of the development in the field of seismology. Seismology's rich history begins with Robert Hooke's 1676 paper titled "True Theory of Elasticity or Springness" and continues through the 1830 discovery of P and S waves, the 1930's discovery of the inner core by Inge Lehman, and includes recent innovations such as shake maps, real-time collections of maps depicting shaking intensity within seconds of an earthquake.
