Education

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123 earthquake FAQs organized by category.

Resources for learning about the science of earthquakes.

Soon after the devastating tsunamis in the Indian Ocean on December 26, 2004 and in Japan on March 11, 2011, many people have asked, "Could such a tsunami happen in the United States?"

Scientists now have a fairly good understanding of how the plates move and how such movements relate to earthquake activity. Most movement occurs along narrow zones between plates where the results of plate-tectonic forces are most evident.

Do you know the facts about induced earthquakes?

The effects from earthquakes include ground shaking, surface faulting, ground failure, and less commonly, tsunamis.

Stories from around the world.

Earthquake magnitude, energy release, and shaking intensity are all related measurements of an earthquake that are often confused with one another. Their dependencies and relationships can be complicated, and even one of these concepts alone can be confusing. Here we'll look at each of these, as well as their interconnectedness and dependencies.

Fact or Fiction?