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seismology

Installation of a fiber-optic cable for distributed acoustic sensing
Posted inScience Updates

Fiber-Optic Networks Find a New Use as Seismic Sensor Arrays

by H. Wang, Xavier Comas and S. Tyler 5 April 201916 February 2022

Distributed Acoustic Sensing: Principles and Case Studies; Washington, D.C., 9 December 2018

A Google data center offering cloud services like on-demand computational nodes.
Posted inScience Updates

Putting the Cloud to Work for Seismology

by J. MacCarthy, O. Marcillo and C. Trabant 5 April 201912 December 2022

The cloud infrastructure developed in the business community has made access to cluster computing possible for even the smallest research groups, enabling new kinds of research workflows in geophysics.

Posted inEditors' Highlights

Follow The ‘Hum’: The Seismic Signal of Pacific Ocean Storms

by M. Long 27 March 20198 February 2023

Have you ever noticed that the Earth is humming? Seismologists have! Discover how individual storms in the northern Pacific Ocean generate a long-period seismic signal.

Portrait of geophysicist Dimitri Komatitsch
Posted inNews

Dimitri Komatitsch (1970–2019)

by J. Tromp and S. Chevrot 20 March 20192 March 2022

Dimitri Komatitsch had a profound impact on computational seismology and embodied the notion of open-source, collaborative research.

Quill volcano Sint Eustatius Island
Posted inScience Updates

Project VoiLA: Volatile Recycling in the Lesser Antilles

by S. Goes, J. Collier, J. Blundy, J. Davidson, N. Harmon, T. Henstock, J. M. Kendall, C. Macpherson, A. Rietbrock, K. Rychert, J. Prytulak, J. van Hunen, J. J. Wilkinson and M. Wilson 14 March 201927 January 2023

Deep water cycle studies have largely focused on subduction of lithosphere formed at fast spreading ridges. However, oceanic plates are more likely to become hydrated as spreading rate decreases.

A bundle of fiber-optic cables
Posted inNews

Unused Fiber-Optic Cables Repurposed as Seismic Sensors

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 8 March 201914 May 2024

So-called dark fiber can serve as regional seismic activity monitors and also detect earthquakes thousands of kilometers away, according to new research.

A woman walks past debris from a building damaged by an earthquake in Oklahoma
Posted inResearch Spotlights

Forecasting Seismicity from Wastewater Disposal in Oklahoma

by Terri Cook 8 March 20195 December 2022

Mandated wastewater injection reductions in effect since 2016 are inadequate for preventing future, large-magnitude earthquakes in the state, according to a new induced seismicity model.

Posted inEditors' Highlights

Seismic Anisotropy Due to a Compositionally Layered Mantle

by Bjarne S. G. Almqvist 8 March 20198 July 2024

Investigating the role of layered rocks and compositional banding on mineral scale in generating seismic anisotropy in the mantle.

An airplane carries instruments to detect high-frequency waves in the Ross ice shelf.
Posted inResearch Spotlights

Humming Ice Shelf Changes Its Seismic Tune with the Weather

by Terri Cook 22 February 201928 July 2022

Seismic waves resonating within the upper layers of the Ross ice shelf could help scientists monitor the Antarctic melt season and understand factors that could lead to sudden ice shelf collapse.

A magnetotelluric system in Oregon collects magnetic and electric field data from beneath Earth's surface.
Posted inScience Updates

Taking Magnetotelluric Data out of the Drawer

by Anna Kelbert, S. Erofeeva, C. Trabant, R. Karstens and M. Van Fossen 27 December 201810 March 2023

Magnetic and electric field measurements at Earth’s surface provide information on Earth’s interior and on space weather. An open-source central repository of these data has received a major update.

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