KS3 Geography. Plate tectonics: Earthquakes. A short video for 11-14 year old pupils, exploring tectonic activity and earthquakes and featuring case studies from Haiti and New Zealand.

Tsunami earthquakes are characterized by the generation of disproportionately large tsunamis relative to the observed ground ...

Earthquakes occur when two plates suddenly slip past each other, setting off seismic waves that cause the planet's surface to shake, according to the USGS. What is an earthquake, ...

Tectonics and Philippine earthquakes. Some tectonic plates are more mobile than others. Most immobile plates are composed of the lighter continental crust, such as Africa, North America and Antartica.

Some geologists think it took a while for plate tectonics to emerge, no earlier than 2.8 billion years ago. Others argue it began much earlier (SN: 4/22/20).It’s hard to know for sure because ...

Block diagram showing subduction of the Juan de Fuca Plate beneath the North American Plate along the Cascadia Trench, which is the western edge of the Cascadia subduction zone.

Take yourself back to fifth-grade science for a second. You might have learned that earthquakes are caused by the sudden movement of big, underground sheets of rock, called tectonic plates. Your ...

In the hours after an earthquake shook the northeastern United States Friday, scientists calculated its magnitude — 4.8 on the Richter scale — and triangulated its epicenter near the New ...

A seamount sitting on a subducting tectonic plate off the coast of Japan and plowing its way into Earth's mantle may be at the root of several magnitude 7 earthquakes in the past 40 years.

Take yourself back to fifth-grade science for a second. You might have learned that earthquakes are caused by the sudden movement of big, underground sheets of rock, called tectonic plates. Your ...