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

New fault zone measurements could help us to understand subduction earthquakes

Soldiers remove bricks from the road after earthquake in Rongxian county on 25 February 2019. | Credit: IC

Unusually shallow earthquake ruptures in Chinese fracking field

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

How earthquake swarms arise

Seismogram

Superheated rocks deep underground help explain earthquake patterns

San Andreas Fault

Deep underground forces explain quakes on San Andreas Fault

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...

seismogram

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

The Romanche fracture zone

Rare ‘boomerang’ earthquake observed along Atlantic Ocean fault line

Fracking

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

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

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

How water in the deep Earth triggers earthquakes and tsunamis

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

Natural fluid injections triggered Cahuilla earthquake swarm

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

New model to accurately date historic earthquakes

Fault

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

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

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

The grey line in the rock, running from the foreground away under the boulder towards the mountains, is one of the shear zones from the study area. Credit: Lucy Campbell

‘Fossil earthquakes’ offer new insight into seismic activity deep below Earth’s...

Japan's risk of giant tsunamis may have grown when the angle of a down-going slab of ocean crust declined. Top: ocean crust (right) slides under continental crust at a steep angle, causing faulting (red lines) in seafloor sediments piled up behind. Bottom: as the angle shallows, stress is transferred to sediments piled onto the continental crust, and faults develop there. Blue dots indicate resulting earthquakes. At left in both images, the change in angle also shifts the region where magma fueling volcanoes is generated, pushing eruptions further inland. Credit: Adapted from Oryan and Buck, Nature Geoscience 2020

Shifts in deep geologic structure may have magnified great 2011 Japan...

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