Related topics: earth

Weird earthquake reveals hidden mechanism

The wrong type of earthquake in an area where there should not have been an earthquake led researchers to uncover the cause for this unexpected strike-slip earthquake—where two pieces of crust slide past each other on a ...

Earth probably began with a solid shell

Today's Earth is a dynamic planet with an outer layer composed of giant plates that grind together, sliding past or dipping beneath one another, giving rise to earthquakes and volcanoes. Others separate at undersea mountain ...

Where on Earth did the water come from?

Earth's supply of water is incredibly important for its ability to sustain life, but where did that water come from? Was it present when Earth formed or was it delivered later by meteorites or comets from outer space?

New study upends a theory of how Earth's mantle flows

A new study carried out on the floor of Pacific Ocean provides the most detailed view yet of how the earth's mantle flows beneath the ocean's tectonic plates. The findings, published in the journal Nature, appear to upend ...

Ancient drop of water rewrites Earth's history

The remains of a microscopic drop of ancient seawater has assisted in rewriting the history of Earth's evolution when it was used to re-establish the time that plate tectonics started on the planet.

Scientists track motions of shifting plates using GPS sensors

The Pacific Northwest is a restless place. The ground is being shoved by tectonic plates. Snow-capped volcanoes inflate and deflate in concert with the creep of molten rock. Coastlines bulge as tension builds on an offshore ...

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