SIOUX CITY (KTIV) - Gather your supplies! In this episode we will use everyday materials to learn about tectonic plates and fault lines. A subduction fault is when two plates have different densities.

The Pacific Northwest coast has been living under the shadow of the 620-mile-long Cascadia Subduction Zone, where the Juan de Fuca tectonic plate is steadily pushing under the North American plate.

Scientists have found the oldest direct evidence for tectonic motion on Earth by more than half a billion years ...

Occasionally, planet Earth will grab the headlines: Underwater volcanic eruptions send ash into the air, or earthquakes generate massive waves that send people running for safety as the rest of us ...

Thirty-nine ocean bottom seismometers were deployed on the ocean floor across the Mid-Atlantic Ridge as part of the PI-LAB experiment. (The University of Southampton) Scientists found upwellings of ...

For years, many scientists had thought that plate tectonics existed nowhere in our solar system but on Earth. Now, a UCLA scientist has discovered that the geological phenomenon, which involves the ...

Researchers analyzing ancient deposits in Australia found evidence that Earth's layers started to get mixed up — a fingerprint of plate tectonics — about 1.3 billion years after the planet formed.

A megathrust earthquake is coming for the Pacific Northwest. But new imaging of undersea faults and fractures has given ...

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