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Photo of Taylor’s Mill in Readington Township, New Jersey after the 5 April 2024 earthquake. | GEER-NIST

Closer look at New Jersey earthquake rupture could explain shaking reports

October 21, 2024

San Andreas fault

Could geometry offer a new explanation for why earthquakes happen?

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

Researchers used unmanned aerial vehicle images superimposed on centimeter-resolution topography to study the surface rupture of the 2021 magnitude 7.4 Maduo earthquake in China. This image shows the fault scarp, tensional cracks on the hanging wall, and the left-laterally offset channel. Credit: Yanxiu Shao

Fault maturity or orientation: Which matters more for quakes?

Shears — or breaks caused by strain — in rock outcrops like the one pictured here could shed new light on tectonics that occur between major earthquakes in the subduction zone, according to new research. A camera lens shows the scale of the features of the rock. Credit: Provided by Donald Fisher . All Rights Reserved.

Ancient rocks improve understanding of tectonic activity between earthquakes

paleoseismological record of the Liquiñe-Ofqui Fault Zone (LOFZ)

Researchers discover evidence of earthquakes that affected Chilean coast in the...

March 7, 2018

$Human-made earthquake risk reduced if fracking is 895m from faults$

Human-made earthquake risk reduced if fracking is 895m from faults

March 6, 2018

seismogram

Earthquakes follow wastewater disposal patterns in southern Kansas

February 20, 2018

This schematic illustration of the 2014 Iquique earthquake off the coast of Chile (magnitude 8.1) shows the locations of foreshocks (blue) and aftershocks (red) relative to the area of large slip on the fault (contour lines).

Analysis of major earthquakes supports stress reduction assumptions

February 17, 2018

Earthquake simulation

Hayward fault earthquake simulations increase fidelity of ground motions

February 8, 2018

This new map of Earth’s stress field in the Permian Basin of West Texas and southeastern New Mexico could help energy companies avoid causing earthquakes associated with oil extraction. Credit: Jens-Erik Lund Snee

Seismic stress map profiles induced earthquake risk for West Texas, New...

February 8, 2018

Pipeline monument, Cushing, Oklahoma.

Oklahoma’s earthquakes strongly linked to wastewater injection depth

February 1, 2018

Researchers taking sediment cores on Chilean lake Calafquén (with Villarrica Volcano in the background).

Giant earthquakes: Not as random as thought

January 31, 2018

Moon

Do moon phases produce big earthquakes?

January 19, 2018

$A UAlberta researcher is the first to link the likelihood of earthquakes caused by hydraulic fracturing to the location of well pads and volume of liquid used in the process.$

Fox Creek earthquakes linked to completion volume and location of hydraulic...

January 19, 2018

Seismogram

Rates of great earthquakes not affected by moon phases, day of...

January 16, 2018

Earthquakes as a driver for the deep-ocean carbon cycle

January 10, 2018

Annual geographic centroid locations for the years 2011-2016 (the underlying fault map is by Marsh and Holland, 2016), including volume-weighted well centroids, the 1σ radius of gyration, and M3+ earthquake centroids.

Shakedown in Oklahoma: To cut the number of bigger earthquakes, inject...

January 4, 2018

Wastewater injected in an underground reservoir layer crossed by a fault triggers an earthquake

Modeling the effects of wastewater injection

December 20, 2017

The Nazca plate moves eastwards with a rate of 6.6 cm per year.

Residual strain despite mega earthquake

December 14, 2017

The number of earthquakes striking south-central Kansas has skyrocketed

Geologists report new discoveries about Kansas, Oklahoma earthquakes

December 14, 2017

$Small earthquakes (yellow stars) can be induced during hydraulic fracturing when high-pressure fluid (blue arrows) is pumped into horizontal wells to crack rock layers containing natural gas.$

Small earthquakes at fracking sites may be early indicators of bigger...

December 12, 2017

Distribution of intraplate earthquakes in central and eastern North America

Ancient weakening of Earth’s crust explains unusual intraplate earthquakes

December 12, 2017

The time variation of seismic velocity relative to the averaged pre-earthquake value are displayed.

Unearthing the underground effects of earthquakes and volcanoes

December 7, 2017

Everest

Earthquakes in the Himalaya are bigger than in the Alps because...

December 5, 2017

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