July’s West Coast quake that woke up the Garlock Fault was caused by numerous small faults.
This shifting curb kept track of a California fault
New map shows the likelihood
At 408 quakes so far, San Ramon sets a shaky new record
Precariously balanced rocks: a different kind of PBR
A vibrant map of never-before-seen terrain
New clues show how the massive Japanese earthquake happened, and how certain faults could pose a previously unrealized threat.
When a 7.3-magnitude earthquake struck off Japan's eastern coast early Friday morning, we all feared a tsunami. But San Francisco gets earthquakes all the time, and we're not scared of...
Strike-slip, you're out
Like science, tech, and DIY projects?
Sign up to receive Popular Science's emails and get the highlights.