The Earth's plates jostle about in fits and starts that are punctuated with earthquakes and volcanic eruptions. 4 min read There are a few handfuls of major plates and dozens of smaller, or minor ...

Plate tectonics is the theory that Earth's outer layer is made up of plates, which have moved throughout Earth's history. The theory explains the how and why behind mountains, volcanoes ...

Geology. The presence of oceans, continents and plate tectonics on Earth is most likely the reason there is no evidence for advanced extraterrestrial civilizations, according to new research by ...

Discover interesting facts about how big earthquakes can get, why earthquakes happen, and why they're so hard to predict.

According to current theories about plate tectonics, there should not be subducted ... a method that uses information from all frequencies of seismic waves—including P, S, and surface waves.

The Earth is made up of different layers: Therefore, instead of tectonic plates moving because of the convection currents, evidence suggests it is the plates that drive the convection. Slab pull ...

Earth’s surface is made up of different sections called tectonic plates. Most mountains are fold mountains, which means they’re created when two tectonic plates collide, and they force the ...

Plate tectonics is relatively new, put forth in the last 30 years or so — its forerunner was the now-discarded continental drift theory. The theory states that Earth's outer shell is made up of ...