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Study reveals the workings of nature’s own earthquake blocker

Geology Page - April 19, 2021

Glaciers such as the Yakutat in Southeast Alaska, shown here, have been melting since the end of the Little Ice Age, influencing earthquakes in the region. Credit: Sam Herreid

Melting glaciers contribute to Alaska earthquakes

The Cinders lava flow Utah

Unusual earthquakes highlight central Utah volcanoes

Using a method to better locate the source of weak tremors from regions with complex geological features, researchers found that many tremors originate from the shear zone, an area of high fluid pressure, in the Nankai Trough, which is schematically shown here with structures of tectonic plates and fault lines.

Making sense of commotion under the ocean to locate tremors near deep-sea faults

Matthew Siegfried inspects a GPS device, powered by a solar panel at Whillans Ice Plain. Credit: Grace Barcheck/Cornell University

Slow motion precursors give earthquakes the fast slip

Map of the Cascadia subduction zone. Credit: Public Domain

Deep, slow-slip action may direct largest earthquakes and their tsunamis

Geology Page - January 12, 2021

Overview of the study area and the schematic illustration of interaction of fault motion and the seafloor subsidence. Credit: University of Tsukuba

New model reveals previously unrecognized complexity of oceanic earthquake zones

Geology Page - January 12, 2021

The outcrop of the pseudotachylyte-bearing fault zone in pelagic sedimentary rocks.

New fault zone measurements could help us to understand subduction earthquakes

Geology Page - November 4, 2020

$Unusually shallow earthquake ruptures in Chinese fracking field$

Unusually shallow earthquake ruptures in Chinese fracking field

Geology Page - October 9, 2020

The 'slow earthquakes' that we cannot feel may help protect against the devastating ones

How earthquake swarms arise

Geology Page - September 26, 2020

Seismogram

Superheated rocks deep underground help explain earthquake patterns

Geology Page - September 12, 2020

San Andreas Fault

Deep underground forces explain quakes on San Andreas Fault

Geology Page - September 9, 2020

Surface displacement mapped using InSAR satellite imaging data. Along the fault, the ground was either raised (southeast) or collapsed (northwest). The star designates the epicentre. Credit: Jean-François RITZ et al

The Le Teil earthquake provides new insights on seismic risk in...

Geology Page - September 1, 2020

seismogram

Machine learning unearths signature of slow-slip quake origins in seismic data

Geology Page - August 20, 2020

$The Romanche fracture zone$

Rare ‘boomerang’ earthquake observed along Atlantic Ocean fault line

Geology Page - August 16, 2020

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

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

Geology Page - July 25, 2020

268 seismometers (red) in 117 countries detected a drop on seismic noise. “Global quieting of high-frequency seismic noise due to COVID-19 pandemic lockdown measures” by Thomas Lecocq et al., published Thursday 23 July 2020 in Science Credits:Photo of seismometer: Stephen Hicks/Imperial College London

COVID-19 lockdown caused 50 percent global reduction in human-linked Earth vibrations

Geology Page - July 25, 2020

False color satellite image of the Taimali catchment area in southeastern Taiwan in August 2009 after typhoon Morakot. Red: vegetated surface, grey: barren surface (Image: LANDSAT-7 / NASA, JPL).

Typhoon changed earthquake patterns

Geology Page - July 3, 2020

How water in the deep Earth triggers earthquakes and tsunamis

Geology Page - June 27, 2020

Illustration of the natural fluid injection process that triggered the Cahuilla swarm.

Natural fluid injections triggered Cahuilla earthquake swarm

Geology Page - June 27, 2020

Subduction zones occur where one tectonic plate dives under another. New computer modeling by Magali Billen, professor of earth and planetary sciences at UC Davis, shows why earthquakes on these sinking plates cluster at certain depths and could give insight into processes deep in the Earth. (U.S. Geological Survey)

New clues to deep earthquake mystery

Geology Page - May 28, 2020

New model to accurately date historic earthquakes

Geology Page - May 17, 2020

Fault

New study finds connection between fault roughness and the magnitude of...

Geology Page - April 25, 2020

The ash plume from the Kilauea volcano on the big island of Hawaii was pictured May 12, 2018, from the International Space Station. Credit: NASA

New NASA radar looks to monitor volcanoes and earthquakes from space

Geology Page - April 7, 2020

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

Sediments may control location, magnitude of megaquakes

Geology Page - April 2, 2020

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