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faults

Gradual fault creep can be seen deforming the walls of this stadium at the University of California, Berkeley.
Posted inResearch Spotlights

Earthquake Modelers Unite to Compare and Improve Code

by Sarah Stanley 2 May 20222 May 2022

International community–driven efforts lend confidence to fault-slip simulations while highlighting key discrepancies.

Two people stand on the edge of a road, looking at a straight crack, representing the surface trace of a fault, the cuts across the road and offsets its painted centerline.
Posted inFeatures

Striking Out into the Field to Track Slip on the Sumatran Fault

by Karen Lythgoe, Umar Muksin, Arifullah, Andrean Simanjuntak and Shengji Wei 16 March 202221 April 2022

An international team overcame many challenges, including from the COVID-19 pandemic, to deploy a dense seismic network along an understudied fault system that poses hazards to millions in Indonesia.

Sputnik Planitia, which features nitrogen ice plains on Pluto
Posted inResearch Spotlights

Clues to Pluto’s History Lie in Its Faults

by JoAnna Wendel 31 January 20221 February 2022

Studying geological features on Pluto’s surface can illuminate the ancient history of how the dwarf planet formed.

The Circulation Obviation Retrofit Kit (CORK) borehole monitoring observatory, pictured here, connected to the Ocean Networks Canada cable system.
Posted inResearch Spotlights

海洋地壳中的断层导致慢地震波

by Sarah Derouin 26 January 202226 January 2022

对海洋地壳中流体压力的高采样率测量揭示出未知的裂隙和流体流动的路径。

A view of the San Andreas Fault
Posted inResearch Spotlights

How Fault Surface Features Can Tell Us About Future Earthquakes

by Elizabeth Thompson 21 December 202121 December 2021

A new study suggests ways to quantify fault maturity, a property that affects earthquake characteristics.

A dam impounds a large reservoir (background) as seen from a stone fort (foreground).
Posted inNews

A Monsoon-Filled Reservoir Might Have Nudged a Fault to Fail

by Maria Rose 16 December 202116 December 2021

New research examines whether a sudden increase in water loading in Pakistan’s Mangla Dam might have been connected to the 2019 New Mirpur earthquake.

The Circulation Obviation Retrofit Kit (CORK) borehole monitoring observatory, pictured here, connected to the Ocean Networks Canada cable system.
Posted inResearch Spotlights

Faults in Oceanic Crust Contribute to Slow Seismic Waves

by Sarah Derouin 10 December 202126 January 2022

New high-sampling rate measurements of fluid pressures in oceanic crust reveal unresolved fractures and pathways for fluid flow.

Against a blue sky streaked with white clouds, Michael Bunds runs along a dirt road as he lands a black fixed-wing drone. Chelsea Scott, wearing red, stands with her back to the photographer, watching the drone and looking at desert scrub in the foreground.
Posted inNews

Drone Rules Make Tracking Down Faults a Difficult Feat

by Alka Tripathy-Lang 6 October 202121 March 2022

Regulations differ from country to country, but on one point, they’re relatively uniform: Drones must remain within their operators’ line of sight. How do earthquake scientists collect drone data while working within the rules?

An arc-shaped coseismic shear belt associated with the 2018 Mw 4.9 earthquake at Etna volcano shows up on both mapping and InSAR.
Posted inEditors' Highlights

Volcano—Tectonic Interactions at Etna

by J. Hubbard 6 July 202127 October 2021

Mapping of a 2018 earthquake that ruptured the eastern flank of Mount Etna shows that it occurred on a tectonic lineament that predates the volcano, and the kinematics match nearby tectonic domains.

Xray tomograms taken at two times which show fractures and pores within solid rock.
Posted inEditors' Highlights

When Will the Next Failure Be?

by G. A. Prieto 5 March 20216 October 2021

Unprecedented images of fracture networks in laboratory scale experiments mixed with machine learning algorithms help predict the timing of the next failure.

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