Seismicity and tectonics Archives - Eos

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Geology & Geophysics

Fault scarp in Italy's Apennine Mountains

Meeting Report 14 March 2018

How Earthquakes Start and Stop

Earthquakes: Nucleation, Triggering, Rupture, and Relationships to Aseismic Processes; Cargèse, Corsica, France, 2–6 October 2017

Geology & Geophysics

New research suggests more earthquakes may be the result of fracking than previously believed

Research Spotlight 8 February 2018

More Earthquakes May Be the Result of Fracking Than We Thought

Scientists show small earthquakes caused by fracking near Guy-Greenbrier, Ark., in 2010 that could have been early indicators of high stress levels on larger faults deeper underground.

Geology & Geophysics

Editors' Vox 22 January 2018

Modeling Megathrust Zones

A recent paper in Review of Geophysics built a unifying model to predict the surface characteristics of large earthquakes.

Geology & Geophysics

Researchers catalog more than 37,000 small earthquakes to see the bigger picture of seismicity along Italy’s Altotiberina fault.

Research Spotlight 19 January 2018

Scientists Create Catalog of Altotiberina Fault in Italy

More than 37,000 small earthquakes paint a picture of the fault’s behavior and seismic potential.

Geology & Geophysics

Southern Alaska’s Lisianski Inlet, near the site of a systematic survey of the Queen Charlotte-Fairweather Fault.

Project Update 15 August 2017

A Closer Look at an Undersea Source of Alaskan Earthquakes

A systematic survey offers a striking portrait of movement along a 500-kilometer-long undersea section of the Queen Charlotte–Fairweather fault off the coast of southeastern Alaska.

Researchers reassess the magnitude of an earthquake that shook Chile in 1730.

Research Spotlight 24 July 2017

Tsunami Records Show Increased Hazards for Chile’s Central Coast

Simulations of the historical quake raise new concerns: A similar event in the future could cause a devastating tsunami in Chile’s most populated coastal region.

Geology & Geophysics

Salt tectonics at work in this snip of a new hi-res seafloor map of the Gulf of Mexico, made from oil and gas industry data.

Project Update 24 May 2017

A 1.4-Billion-Pixel Map of the Gulf of Mexico Seafloor

The U.S. Bureau of Ocean Energy Management releases the highest-resolution bathymetry map of the region to date.

Geology & Geophysics

A Scripps research vessel tows a hydrophone array used to collect high-resolution bathymetric to better understand offshore California faults.

Scientific Press Releases 8 March 2017

California Fault System Could Produce Magnitude 7.3 Quake

A new study finds rupture of the offshore Newport-Inglewood/Rose Canyon fault that runs from San Diego to Los Angeles is possible.

Geology & Geophysics

David Mackenzie with a balloon and a camera to survey 1889 earthquake ruptures.

Research Spotlight 22 July 2016

Tracking Down Elusive Origins of Kazakhstan's 1889 Chilik Quake

New fieldwork and satellite data suggest that three faults may have caused a large earthquake near Almaty, Kazakhstan, more than a century ago.

Geology & Geophysics

Resort city of Ixtapa, Mexico

Meeting Report 27 June 2016

Understanding Slow Slip and Tremor on Plate Boundaries

Chapman Conference on Slow Slip Phenomena; Ixtapa, Mexico, 21–25 February 2016