Iris: Earthquake Early Warning: Pacific Northwest Subduction Zone

The ShakeAlert technology is presented because it is a system to measure when the impact of an earthquake will hit an area. It sends out a notice to the area so the residents can find protection. Find detailed facts provided by the USGS....

Sink into an interactive learning experience about subduction zones! Junior oceanographers examine the earth-shaking and earth-making effects of subduction in the fourth installment in a 13-part series. Hands-on activities include...

Review a video that introduces geologic evidence of unique megathrust earthquakes in the Pacific Northwest based on oral history, radiocarbon dating Tree-ring analysis as well as Samurai records dating back to the beginning of the...

A detailed video featuring the challenges of western South America and why it is such a hot spot for earthquakes. [10:16]

This page from the U.S. Geological Survey is devoted to Tsunamis in the Pacific Northwest. View some animations of tsunamis.

Investigate what GPS can do to help study and predict future earthquakes. [4:12]

Understand how energy disperses during an earthquake. This brief video will illustrate the theory of elastic rebound. [:25]

A video detailing the severe danger of megathrust earthquakes. These are known as the most powerful earthquakes on earth. [5:43]

A video illustrates the concern scientists have over an inevitable megathrust earthquake due to the stress building between the Juan de Fuca and North American plates. Be sure to look at the additional resources found under the video...

For this lesson, young scholars manipulate a model, consisting of templates on a piece of paper and an overlaying transparency, in order to explore the characteristics of subduction zone earthquakes. In the process, they develop an...