Researchers find that earthquakes on thrust faults can spread 10 times...

Earthquake lights linked to rift environments, subvertical faults

A cartoon showing how anomalous earthquakes near the San Andreas and San Jacinto faults in southern California work in regions deep below the Earth's surface.

Geoscientists find unexpected ‘deep creep’ near San Andreas, San Jacinto faults

Better understanding post-earthquake fault movement

California’s San Andreas Fault. The “creeping” central section, subject of a new study, is in yellow. Rock samples from almost 2 miles down were taken at the San Andreas Fault Observatory at Depth, or SAFOD, marked by the red star. (Adapted from Coffey et al., Geology, 2022)

A slow-motion section of the San Andreas fault may not be...

Earthquakes can make thrust faults open violently and snap shut

Magnified through a microscope, diatoms, which are a type of siliceous microalgae preserved within sediment, helped the researchers determine the salinity levels of the core samples. Photo courtesy of Jessica DePaolis.

Subduction zone splay faults compound hazards of great earthquakes

A seismogram of 2011 Tōhoku earthquake and tsunami recorded at Weston Observatory in Massachusetts, USA. Credit: Image from Wikimedia Commons.

Finding faults deeply stressful

Re-thinking Southern California earthquake scenarios in Coachella Valley, San Andreas Fault

The modern Seattle fault zone cuts directly through the densely populated Puget lowlands, including Seattle and its metro area. Fifty million years ago, the continent tore in two here, setting the geologic stage for the modern faults, according to a new Tectonics study. Credit: Washington Geological Survey.

Understanding the Hazard Potential of the Seattle Fault Zone: It’s “Pretty...

Drilling reveals fault rock architecture in New Zealand’s central alpine fault

Graduate student Mike Duvall is pictured here in southeastern Nepal during fieldwork in 2017. Image credit: John Waldron

Scientists discover fault system in southeastern Nepal

Midwestern Fault Zones Are Still Alive

Faults control the amount of water flowing into the Earth during...

Tibetan Plateau

Folding faults and seismic risk in the Kunlun range, Northwest Tibet

San Andreas Fault

New analysis reveals large-scale motion around San Andreas Fault System

Different Types of Faults

What Are the Different Types of Faults in Geology?

Geologist collaborates on study to determine mechanism associated with fault weakening

Strike Slip Fault

Fault zone with broken rock inside stippled lines and faulting directions of each rock segment outlined by half arrows. Photo credit: Henrik Drake. Illustration: Mikael Tillberg.

How fault lines in a kitchen sink are changing what we...

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