Topic

Faults

4 questions tagged Faults — spanning every one of the seven Ws.

how

How do earthquakes start deep underground along a fault line?

Earthquakes begin when stress builds up on a fault until rocks suddenly slip. The sudden release of stored energy sends seismic waves through the Earth.

EarthquakesFaults
where

Where is the San Andreas-like Alpine Fault located?

The Alpine Fault is on New Zealand’s South Island. It is one of the world’s major active fault systems.

Earth ScienceFaults
whose

Whose work first identified the San Andreas Fault as a major plate boundary?

Andrew Lawson is the geologist most associated with the San Andreas Fault after the 1906 earthquake. Later plate tectonics explained it as a transform boundary.

GeologyFaults
what

What is a transform fault?

A transform fault is a plate boundary where two plates slide horizontally past each other. It commonly produces earthquakes but usually not volcanism.

Earth scienceFaults