Tectonic Plates Definition, Location & Types

Plate Tectonic Boundaries | Divergent, Convergent & Transform

Plate Tectonics

As San Francisco grows, so does the earthquake risk — here's why the city is not ready for the next Big One

Earthquake hits San Francisco Bay Area

Mild quake rattles Peninsula eliciting wows and ho-hums but no damage

New animation shows a billion years of continental drift

Plate Tectonics