Fault Archives | Geology Page

Machu Pichu. Detailed mapping indicates the World Heritage Site’s location and layout were dictated by the underlying geological faults. Photo taken 5 Nov. 2010; credit: Rualdo Menegat.

Machu Picchu: Ancient Incan sanctuary intentionally built on faults

September 27, 2019

New fault discovered in earthquake-prone Southern California region

October 4, 2016

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

September 19, 2018

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...

March 13, 2022

San Andreas Fault

August 9, 2012

How Nature’s ‘Dislocations’ Occur

October 4, 2016

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...

February 4, 2022

Site of the next major earthquake on the San Andreas Fault?

June 21, 2018

Reverse Fault

August 15, 2012

California’s current earthquake hiatus is an unlikely pause

April 3, 2019

Deep underground forces explain quakes on San Andreas Fault

September 9, 2020

Getting ready for the next big one : The North Anatolian...

June 23, 2014

Study Confirms Large Earthquakes along Olympic Mountain Faults

September 29, 2017

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

July 25, 2020

Strike Slip Fault

September 1, 2012

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

June 21, 2016

Two San Francisco-area earthquake faults found to be connected

October 19, 2016

Alpine Fault theory takes shape

December 12, 2016

Some earthquakes on San Andreas Fault triggered by gravitational tug of...

July 19, 2016

Earthquakes can make thrust faults open violently and snap shut

May 1, 2017

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Researchers study sediment record in deep coral reefs

December 3, 2015

A family of comets reopens the debate about the origin of Earth’s water

May 31, 2019

Studying life on the rocks

June 1, 2016

New Method Unearths Climate Data from Ancient Soils

March 2, 2018

Organic Molecules Found in Sutter’s Mill Meteorite, Not Previously Found in Any Meteorites

September 11, 2013

What factors influence the likelihood of fracking-related seismicity in Oklahoma?