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San Andreas Fault

Deep underground forces explain quakes on San Andreas Fault

Geology Page - September 9, 2020

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

San Andreas Fault Zone

Chance of big San Andreas earthquake increased by Ridgecrest temblors, study suggests

Fig. 1 Map of the 2016 Kaikōura earthquake and surrounding area. (A) Transpressional tectonic setting of the northeastern South Island of New Zealand. (B) Map of surface ruptures from the 2016 Mw 7.8 Kaikōura earthquake, shown in bold black lines with the Papatea fault in red (8, 28). Dots represent scaled relative energy release from back-projection results (15) and are colored by time since rupture onset. Mapped active faults that did not rupture during the Kaikōura event are indicated by thin black lines (28). Credit: Science Advances 02 Oct 2019: Vol. 5, no. 10, eaax5703, DOI: 10.1126/sciadv.aax5703

Unusual fault rupture during Kaikōura quake

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

A fresh surface rupture of the Kekerengu fault, taken 4 days after the Kaikoura earthquake, with lead author Jesse Kearse leaning next to a curved slickenline (the subject of this article). Photo credit - Professor Tim Little (Victoria University of Wellington).

Curved slickenlines preserve the direction of rupture propagation

Geology Page - July 14, 2019

Tibetan Plateau

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

Geology Page - April 19, 2019

San Andreas Fault

California’s current earthquake hiatus is an unlikely pause

Geology Page - April 3, 2019

San Andreas Fault

Signs of 1906 earthquake revealed in mapping of offshore northern San...

Geology Page - March 28, 2019

Carbon dioxide emissions can be securely stored in underground rocks, with minimal possibility of the gas escaping from fault lines back into the atmosphere, research by the University of Edinburgh has shown. Credit: Johannes Miocic

Fault lines are no barrier to safe storage of CO2 below...

Geology Page - January 27, 2019

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

Geology Page - September 19, 2018

San Andreas Fault

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

Geology Page - June 21, 2018

Parkfield Segment, San Andreas fault

Parkfield segment of San Andreas fault may host occasional large earthquakes

Geology Page - November 30, 2017

Three main types of faults

Fault Types : What are the three main types of faults?

Geology Page - October 17, 2017

What Is a Geologic Fault?

Geology Page - October 16, 2017

Study Confirms Large Earthquakes along Olympic Mountain Faults

Geology Page - September 29, 2017

Sampling of the active alpine fault in New Zealand reveals extreme...

Geology Page - August 31, 2017

Earthquakes can make thrust faults open violently and snap shut

Geology Page - May 1, 2017

Ventura fault could cause stronger shaking, new research finds

Geology Page - February 15, 2017

Alpine Fault theory takes shape

Geology Page - December 12, 2016

Biggest exposed fault on Earth discovered

Geology Page - November 29, 2016

Everest

Entire Himalayan arc can produce large earthquakes

Geology Page - October 26, 2016

San Andreas Fault

Two San Francisco-area earthquake faults found to be connected

Geology Page - October 19, 2016

New fault discovered in earthquake-prone Southern California region

Geology Page - October 4, 2016

How Nature’s ‘Dislocations’ Occur

Geology Page - October 4, 2016

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The common name “coquí” describes various species of frogs in the genus Eleutherodactylus and is derived from two species’ distinctive chirping calls. The common coquí, Eleutherodactylus coquí, is the national symbol of Puerto Rico. Photo courtesy of Alberto Lopez Torres

Coquí fossil from Puerto Rico takes title of oldest Caribbean frog

April 10, 2020

MORE ARTICLES

Scientists find 7.2-million-year-old pre-human remains in the Balkans

Laser from a plane discovers Roman goldmines in Spain

New theory of deep-ocean sound waves may aid tsunami detection

$Earthquakes send sound waves through the Earth. Seismograms record the echoes as those waves travel along the core-mantle boundary, diffracting and bending around dense rock structures. New research from University of Maryland provides the first broad view of these structures, revealing them to be much more widespread than previously known. Credit: Doyeon Kim/University of Maryland$

Scientists detect unexpected widespread structures near Earth’s core