richter scale

Mountains Bigger Than Everest May Lie Deep Inside Earth

Scientists used the second largest earthquake on record to glimpse the terrain 410 miles under our planet's surface.

Powerful earthquake slams into Mexico City

Alert Fatigue? Mexico City Residents Bombarded with Earthquake Warnings

Two early warning alerts for barely perceptible tremors raise questions about whether system is being overused.

‘It’s the New World Record’: Earthquakes Linked to Fracking Are Getting Stronger in Alberta

Scientists say it's "very possible" and "very probable" that three earthquakes this year, measuring 3.8 to 4.4 on the Richter scale, were caused by fracking in Fox Creek, Alberta. But locals aren't revolting against the industry.

We Asked a Seismologist How Fucked California Would Be in a 'San Andreas'–Style Earthquake

What can a Dwayne Johnson movie teach California about disaster preparedness?