Meta tags:
keywords=USArray, earthscope, experiment, nsf, iris, observatory, seismology, seismological data, earthquake, earthquakes;
description=USArray, which is part of the EarthScope experiment, is a 15-year program to place a dense network of permanent and portable seismographs across the continental United States.;
author=IRIS - Incorporated Research Institutions for Seismology;

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Text of the page (random words):
usarray the usarray component of the nsf funded earthscope project ended its observational period in september 2021 and all remaining close out tasks concluded in march 2022 hundreds of seismic stations were transferred to other operators and continue to collect scientific observations this usarray org website is now in an archival state and will no longer be updated to learn more about this project and the science it continues to enable please view publications here http usarray org researchers pubs and citations of the transportable array network doi 10 7914 sn ta to further advance geophysics support for the geophysics community unavco and iris are merging the merged organization will be called earthscope consortium as our science becomes more convergent there is benefit to examining how we can support research and education as a single organization to conduct and advance cutting edge geophysics see our joining forces website for more information the site earthscope org will soon host the new earthscope consortium website usarray a continental scale seismic observatory iris earthscope home about science publications multimedia sponsors contact researchers overview observatories overview transportable array flexible array reference network magnetotelluric array facilities instrumentation overview data acquisition system sensor telemetry data publications public and station hosts about usarray overview what why how when and where host a site suggest a site onsite newsletter contact educators overview university k 12 public quick links alaska ta ceusn data maps and schedules meetings station monitor status stories from the field featured station k04d chiloquin or usa update on the status of usarray org content and related earthscope activities alaska transportable array fully operational see the status of the ta stations operating across alaska and northwest canada review document on the transportable array learn the details of the design and implementation of the transportable array in the lower 48 u s where is usarray see the status of the usarray facilities usarray multimedia and visualizations view educational multimedia including animations of seismic waves from around the world traveling across the united states usarray stories from the field read ben johnson student siter one of many stories cataloging the human side of the first decade of usarray activities usarray consists of four observatories transportable array flexible array reference network magnetotelluric array featured deployments central and eastern united states seismic network ceusn recent earthquakes in the ceus including the 2011 m5 8 virginia earthquake have raised awareness of the comparative lack of knowledge about seismicity site response to ground shaking and the basic geologic underpinnings in this densely populated region of the country the mission of the ceusn is to produce data that enables researchers and federal agencies alike to better understand the basic geologic questions background rates of earthquake occurrence and distribution seismic hazard potential and associated societal risks of this region read more mid atlantic geophysical integrative collaboration magic magic involves a collaborative effort among seismologists geodynamicists and geomorphologists we are undertaking a two year deployment of 28 broadband seismometers in a dense linear transect from the atlantic coast to the continental interior in combination with earthscope usarray transportable array ta stations our experiment geometry will provide an opportunity to image isotropic and anisotropic crust and mantle structure from the coast to the continental interior in unprecedented detail using techniques such as shear wave splitting receiver function analysis and tomographic inversions read more imaging magma under st helens imush this project focuses on the mount st helens volcanic edifice wa usa whose explosive eruption in 1980 attracted the world s attention and was the first volcano to be thoroughly monitored with modern instruments mount st helens provides an ideal setting to apply state of the art geophysical and geochemical techniques to image its subterranean roots it is active easily accessible and has a well recorded past history read more suwanee suture and ga rift basin experiment sugar investigators are using travel time tomography to create velocity models that reveal the distribution of igneous rocks variations in the thickness of the crust and variations in crustal composition besides a better understanding of fundamental tectonic processes other benefits of this program include training and education of students and characterization of basins and igneous rocks that might be good targets for carbon sequestration read more view all featured deployments home about science publications multimedia sponsors contact privacy policy earthscope is a partnership extending throughout the earth science community including more than 100 universities the national science foundation us geological survey national aeronautics and space administration department of energy regional seismic networks and state geological surveys copyright iris incorporated research institutions for seismology