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.

A USGS seismologist demonstrates how to use spaghetti noodles and raisins to model building resonance during earthquake ground shaking. [1:21]

This video discusses the geological features of convergent plate boundaries. [6:03]

Narrated animation explaining the forces inside the Earth that can lead to earthquakes. (Length: 1 min. 39 sec.)

Can new forms of seismic monitoring be used to predict earthquakes?

A geologist explains why this week's East Coast earthquake was felt by so many people.

An animation demonstrating how an asperity, the part of a fault that is stuck, leads to an earthquake.

An animation featuring the attenuation of seismic waves as they move farther away from the source.

This lesson introduces and explores the Pacific Ring of Fire. It is 2 of 3 in the series titled "Geology: Pacific Ring of Fire."

This lesson shows students that math is used in the field of seismology. It is 3 of 5 in the series titled "Math in Seismology."

This lesson shows students that math is used in the field of seismology. It is 1 of 5 in the series titled "Math in Seismology."

Local doctors have recently returned from Haiti where the disaster continues. 2 min, 56 sec]

In 2008, a team of scientists warned that a large earthquake could hit Haiti. Local geologist, Carol Prentice, who was part of that team, discusses how they came to that conclusion and how the Bay Area could be next. [3:10]

If you had a few seconds warning before a big earthquake hit, what would you do? [1:55]

Earthquakes have increased by 50 percent in Oklahoma since 2013 and may be linked to drilling disposal wells.

In this video, Paul Andersen explains how plate tectonics explains the large-scale system interactions on our planet. Large plates float on the mantle and interact to form the major landforms on the planet. Evidence for plate tectonics...

In this video, Paul Andersen explains how natural disasters (like earthquakes, tsunamis, volcanoes and flooding) have affected and will continue to affect humans on the planet. Many of the natural hazards (like volcanoes and storms) can...