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

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.

Japan is facing the risk of a possible "megaquake" in the near future, following a 7.1-magnitude earthquake that occurred off the southern coast on Thursday.. If such a megaquake were to occur, it ...

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, ...

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.

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 ...

The M6.8 earthquake that struck the High Atlas Mountains in Morocco on September 8, 2023, may have been triggered by hot, molten rock rising from deep within the Earth, according to a recent study ...

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.

As the plates move and squeeze against each other, they put pressure on their fault zones, ... Monday's earthquake is the most powerful to hit Turkey since 1939.

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.

A magnitude 6.4 earthquake that struck off the coast of Northern California's Humboldt County early Tuesday morning occurred in a region that seismologists call the "Mendocino Triple Junction ...