Plate boundaries are where the action is. A large fraction of all earthquakes, volcanic eruptions, and mountain building occurs at plate boundaries. It is also where most of the people on Earth live.

Tremors beneath Northern California show hidden plate movement, helping scientists better understand where future big ...

A hidden shard of ancient crust has been detected where California’s San Andreas system collides with the Cascadia subduction ...

We often affiliate plate tectonics with earthquakes, as we are all taught in school that the shifting of plates leads to big shakes. But plate tectonics serve a far more important job to the planet ...

The solid ground that we all live on forms a thin crust around the Earth. It’s no more than 50km thick - and it’s just the upper part of the lithosphere. Below it is the upper mantle. It’s mostly ...

It’s right there in the name: “plate tectonics.” Geology’s organizing theory hinges on plates—thin, interlocking pieces of Earth’s rocky skin. Plates’ movements explain earthquakes, volcanoes, ...

Figure 1: Location map and bathymetry of the OFZ and Arabia–India–Somalia triple junction. In October 2006, aboard the R/V Beautemps-Beaupré, we mapped the AOC triple junction and the southern ...

Investigating the causes and consequences of volcanoes and featuring case studies from the Canary Islands, The Democratic Republic of the Congo and Iceland. Below Earth’s surface, in the upper mantle, ...