Articles
2019
![Derek Schutt in the Yukon for the Mackenzie Mountains EarthScope Project](sites/default/files/styles/medium/public/2019-07/Derek%20Schutt%20edited2_1200x1199px.jpg?itok=XjthyYQM)
Derek Schutt
2019-07-11
Wait, I could do geophysics—physics and math—and go outside?! That's the perfect combination.![Geodetic GPS station P311 atop the Sierra Nevada mountains at Coyote Ridge, at an elevation of 3,699 meters, near Bishop, California. This station and many others show that these mountains are currently uplifting at 1–2 millimeters per year. (Image courtesy of Shawn Lawrence, UNAVCO.)](sites/default/files/styles/medium/public/2019-02/P311.jpg?itok=IE4NIBcV)
Exploring a Changing Continent Using a Plate Boundary Observatory
2019-02-14
Geodesy is the science of measuring the size, shape, and gravity field of Earth, and how these change with time.![15 years](sites/default/files/styles/medium/public/2019-02/earthscope_insights_ESNO_final_article_0.jpg?itok=7NghHINh)
Fifteen Years of Earth Science Exploration
2019-02-14
The EarthScope National Office![Transportable Array project staff in 2013.](sites/default/files/styles/medium/public/2019-02/TA-Team-2013_200dpi.jpg?itok=rI0oep0X)
Reflections on the Accomplishments of EarthScope’s USArray
2019-02-14
The USArray has operated for over 15 years as a community science facility designed to address EarthScope’s goal of understanding the structure and evolution of the North American continent.![location of speaker series](sites/default/files/styles/medium/public/2019-02/insight-Speaker-series-map-fo-web.jpg?itok=VK6h1raA)
Education Corner: Final inSights Issue
2019-02-14
Sharing Science through the EarthScope Speaker Series and Save the Date for the EarthScope Legacy Education and Outreach Virtual Workshop![SAFOD scientists and core sample](sites/default/files/styles/medium/public/2019-02/SAFOD%20featured%20Image_multi-image.jpg?itok=TkcAaUrC)
San Andreas Fault Observatory at Depth
2019-02-14
The Gold Standard for Scientific Drilling Through an Active, Continental Transform Fault![inSights banner](sites/default/files/styles/medium/public/2019-02/EarthScope_inSights_header_big_cropped1200x550.jpg?itok=phfuyBYf)
EarthScope Announcements
2019-02-13
inSights Final Issue February 20192018
![EarthScope video intro](sites/default/files/styles/medium/public/2018-12/Screen_Shot_AGU_video_for_homepage_2.png?itok=7We0KVOn)
New EarthScope Video!
2018-12-12
15 Years of Geoscience Discovery and Education in North America![top 10](sites/default/files/styles/medium/public/2019-01/ESNO%20Banner%20top%20website.png?itok=iY9XZle6)
EarthScope Top 10 Discoveries
2018-12-07
,![Cliffs of the Midcontinent Rift](sites/default/files/styles/medium/public/2018-09/tetegouche_1500x1125px.jpg?itok=C-4hWShG)
Redrawing the Map of the Midcontinent Rift
2018-09-04
EarthScope data is changing our views of this billion-year-old feature![stomp test](sites/default/files/styles/medium/public/2018-09/Stomp%20test_Aubreya%20Adams_DSC_0565b_1200x795px.jpg?itok=KiSpNnCU)
Alaska Amphibious Experiment Crosses the Shoreline
2018-08-31
New ocean-bottom seismometers complement the Transportable Array![Station RLAP](sites/default/files/styles/medium/public/2018-08/RLAP_station%20photo_high-res.jpg?itok=P-tQUyN2)
PBO Station Highlight: A Puzzle in the Midcontinent
2018-08-31
What causes earthquakes in the interior of North America, far from plate boundaries?![Showing plate movement direction at a PBO station in Alaska.](sites/default/files/styles/medium/public/2018-08/IMG_7503_Jennifer%20Witter.jpg?itok=bdcew2R3)
Education Corner: 2018 ANGLE Teacher Workshop
2018-08-29
This issue features the first ANGLE educator workshop, which focused on giving educators tools for teaching about Alaska geoscience and community resiliency to tsunami and earthquake hazards.![EarthScope announcements header](sites/default/files/styles/medium/public/2018-08/EarthScope_inSights_header_big_cropped1200x550.jpg?itok=wCsVEZ-N)
EarthScope Announcements
2018-08-29
inSights Summer 2018![Rhiannon Vieceli](sites/default/files/styles/medium/public/2018-07/Rhiannon_Vieceli_cropped2_13765675_10153600373182750_8600023511594560828_o.jpg?itok=Kpe0Df2R)
Rhiannon Vieceli
2018-07-10
Humans of EarthScope: “I like making interpretations about the earth, which is the common denominator for everyone.”![Earthscope Globe Earthscope Globe](sites/default/files/styles/medium/public/default_images/earthscope-partial-globe.png?itok=dcP11kO0)
Media Advisory
2018-05-24
Science Educators Gather in Anchorage to Learn about Teaching and Preparing for Earthquakes, Tsunamis, and Volcanoes in Alaska![Lidar data shown as vegetated landscape and as hillshade (bare surface).](sites/default/files/styles/medium/public/2018-05/Feature%20Article_spring%202018_home%20page%20image_0.jpg?itok=mUwPzTck)
EarthScope’s Laser Vision: Sharing Lidar Data
2018-05-07
High-resolution images reveal fault movement—before and after quakes—to experts and students![InSights announcements banner](sites/default/files/styles/medium/public/2018-05/EarthScope_inSights_header_big_cropped1200x550.jpg?itok=-fgbJtDC)
EarthScope Announcements
2018-05-04
inSights Spring 2018![The El Mayor-Cucapah earthquake rupture across a road](sites/default/files/styles/medium/public/2018-05/El-Mayor-Cucapah_Hudnut_frame-329_high-res_cropped_reversed.jpg?itok=1DzHILsA)
PBO Station Highlight: P496 Is Only One Piece of the Story
2018-05-04
PBO station P496 not only shook during the 7.2 El Mayor–Cucapah earthquake in northwestern Mexico, but moved permanently as a result of it.![Seismic waves translated into sound](sites/default/files/styles/medium/public/2018-05/Seismic%20waves%20as%20sound_high-res.png?itok=G8Wet85t)
Education Corner
2018-05-01
We explore the senses in this issue, from visual resources for current events-based lessons, to mapping with lasers, to learning about seismic waves through sound. Bonus materials: What wildlife sets off seismic sensors?![Emily Hopper](sites/default/files/styles/medium/public/2018-03/Emily%20Hopper_by%20rock%20outcrop.jpg?itok=vMahTwwt)
Emily Hopper
2018-03-06
Humans of EarthScope: "The stuff we’re researching is fundamental to how the whole planet functions."![Background: View of the Georgia Mountain Research & Education Center, where rural schoolkids come to learn about seismic monitoring (Photo by Rob Hawman). Inset: Fourth-grade students examine seismograms for an "earthquake" they have generated during an outdoor Environmental Field Day event at the center, which is near Blairsville, GA. (Image from Peggy Schneider, GMREC Community Council)](sites/default/files/styles/medium/public/2018-01/Insights_winter%202017-18_feature%20article%20website%20image%20copy.jpg?itok=dUsmiCQS)
Open SESAME
2018-01-29
EarthScope seismic research inspires landowners and students in Georgia![EarthScope inSights header](sites/default/files/styles/medium/public/2018-01/EarthScope_inSights_header_big_cropped.jpg?itok=bHTPw1rZ)
EarthScope Announcements
2018-01-29
inSights Winter 2017-18![Students learn firsthand, from UNAVCO field engineer Ryan Turner, how the GPS station at Olivelands Elementary School measures ground movement. The lesson includes discussing why monitoring plate movement is important for the students’ community. (Photo by Beth Bartel, UNAVCO)](sites/default/files/styles/medium/public/2018-01/outreach-cropped%20for%20inSights_0.jpg?itok=poJkwIr1)
PBO Station Highlight
2018-01-29
Station OVLS introduces students to plate movement![Station Specialist Jason Theis explains some of the “brains” of the Transportable Array station. (Photo by Beth Grassi)](sites/default/files/styles/medium/public/2018-01/Station%20Specialist%20Jason%20Theis%20shows%20interior%20of%20TA%20station_Beth%20Grassi.jpg?itok=OredqhSZ)
Inter-Agency Collaborations Take Center Stage at EarthScope Transportable Array Meeting in Alaska
2018-01-28
New Alaska data reaches beyond earthquakes![Rob Hawman](sites/default/files/styles/medium/public/2018-01/Rob%20Hawman_featured%20image_1275x575.jpg?itok=CNhS7rZ1)
Rob Hawman
2018-01-24
I got into geology originally because I was always fascinated by the history of the earth.![Science Fair season is coming soon, giving students a chance to explore hands-on science. (Photo by Molly Tedesche)](sites/default/files/styles/medium/public/2018-01/Dillingham%202017_by%20Molly%20Tedesche_cropped.jpg?itok=YrDjqNO0)
Education Corner
2018-01-24
Science Fair season is coming soon, giving students a chance to explore hands-on science. (Photo by Molly Tedesche)
In every inSights issue, we feature a few of the dozens of
2017
![Loading gear at Beluga Lake. (credit: S.Tewksbury)](sites/default/files/styles/medium/public/2017-10/cropped.jpg?itok=2y81mwmj)
A Writing Intern in the Field
2017-10-11
As the science writing intern for the EarthScope National Office, field work is not generally a part of my job.![Photo by U.S. Coast Guard Lt. Cmdr. Nahshon Almandmoss Pavlof volcano erupts on March 28, 2016. The photo was taken looking northeast from a Coast Guard Hercules aircraft at 20,000 feet.](sites/default/files/styles/medium/public/2017-07/Pavlof%20copy.jpg?itok=XTZWBX23)
The Quiet After the Storm
2017-07-26
How EarthScope’s infrasound and seismic capabilities monitor evolving volcanic eruptions![Ghost Forest](sites/default/files/styles/medium/public/2017-06/ESNM_BannerPhoto2.jpg?itok=A1wPFEF6)
EarthScope's Final National Meeting
2017-06-16
A culmination of 15 years of expansive geoscience research![Wagner Checking Data at Station](sites/default/files/styles/medium/public/2017-05/2Wagner_checking_data_at_station_D172.jpg?itok=lJepXxd8)
Earthquakes on a Passive Margin
2017-05-05
How EarthScope data help reveal the roots of anomalous seismic zones in the southeastern U.S.![(a) Physics-based conduit model. (b) Some depth-dependent properties inferred by solving the physics-based conduit model. As magma ascends and depressurizes, the solid volume fraction increases due to crystallization, in part causing the velocity to change from viscous flow to frictional sliding.](sites/default/files/styles/medium/public/2017-04/Probing%20Volcanic%20Systems2.%20.%20.%20.jpg?itok=FpuWPJHh)
Probing volcanic systems with Bayesian inversion using physics-based models
2017-04-24
Science Nugget - By Paul Segall (Stanford University), Ying-Qi Wong (Stanford University), Kyle Anderson (U.S.G.S.) - NSF # EAR 1358607 | 2014-2017
![A calving event at Yahtse Glacier in Icy Bay, Alaska, sends a seismic wave through the ice. Seismologists are using these seismic signals to determine when and why calving occurs. Photo by Tim Bartholomaus.](sites/default/files/styles/medium/public/2017-04/004.png?itok=JysqlTxH)
Calving Season
2017-04-03
How EarthScope seismometers help track glacier breakdown![PBO monument P360 uses GPS technology to monitor snow depth in Island Park, Montana. This station, powered by a solar panel, is one of 100 used by researchers to measure snow depth using GPS. Credit: UNAVCO](sites/default/files/styles/medium/public/2017-02/site_southb.jpg?itok=Z2XuCYb2)
Improving Snow-Depth Forecasting with EarthScope’s Plate Boundary Observatory
2017-02-01
by Gail McCormick - Winter 2017
![Photo by U.S. Coast Guard Lt. Cmdr. Nahshon Almandmoss Pavlof volcano erupts on March 28, 2016. The photo was taken looking northeast from a Coast Guard Hercules aircraft at 20,000 feet.](sites/default/files/styles/medium/public/2017-01/1459225744.jpg?itok=b-gTkHvY)
Volcano study examines relationship between seismic signals, sound waves
2017-01-23
By Sue Mitchell - University of Alaska Fairbanks Press Release - January 17, 2017 (http://news.uaf.edu/hearing-a-volcanic-plume/)
A study of relationships between seismic signals and sound
2016
![AGeS](sites/default/files/styles/medium/public/2016-10/Kinney_AGeS_photo.jpg?itok=nwAelpzz)
Good Times, Better Ages
2016-10-11
How the EarthScope AGeS program evolved![Teleseismic P-wave cross-section (Humphreys et al., 2015), with Rayleigh wave image of crust (Shen et al., 2013). Wyoming high-velocity mantle extends to ~300 km.](sites/default/files/styles/medium/public/2016-10/Untitled-5.jpg?itok=HHXO1_AL)
Recent Craton Growth by Under-accreting an Ocean Plateau Beneath Wyoming
2016-09-20
Science Nugget - By Eugene Humphreys (University of Oregon Eugene) and Robert van der Hilst (MIT) - NSF # EAR 952194 | 2010-2012
Seismic tomography images high-velocity…
![Uppermost mantle isotropic velocity structure beneath USArray from Pn tomography.](sites/default/files/styles/medium/public/2016-10/1468534967_pnusarray-1.jpg?itok=U_BCz7lp)
Uppermost mantle seismic velocity structure beneath USArray
2016-09-19
Science Nugget - By Jeanine Buehler (University of California San Diego) and Peter Shearer (University of California San Diego) - NSF EAR # 1358510 | 2014
We…
2015
![Earthscope Globe Earthscope Globe](sites/default/files/styles/medium/public/default_images/earthscope-partial-globe.png?itok=dcP11kO0)
The Cascadia Initiative: A Sea Change in Seismolog
2015-11-19
By Cascadia Initiative Expedition Team (CIET)[http://cascadia.uoregon.edu] - Winter 2015
The increasing public awareness that the
![Install in Alaska. Klein](sites/default/files/styles/medium/public/2016-10/Klein_photo.jpg?itok=lX2SgRoe)
Alaska Bound
2015-09-22
Transportable Array migrates northward![reelfoot rift](sites/default/files/styles/medium/public/2016-10/reelfoot%20rift.jpg?itok=sK4F6Sgn)
Underground Clues Help Explain an Old Earthquake Mystery
2015-09-19
By Adam Mann - Fall 2015
In 1811 and 1812, the New Madrid earthquakes destroyed homes and buildings through northeast Arkansas and the Missouri Bootheel. According to…
![Earthscope Globe Earthscope Globe](sites/default/files/styles/medium/public/default_images/earthscope-partial-globe_0.png?itok=ahJ20H88)
A Coast-to-Coast View of the Mantle Beneath the United States
2015-04-01
By Brandon Schmandt, University of New Mexico and Fan-Chi Lin, University of Utah - Spring 2015
One of the major observational components of the EarthScope program is the…
2014
![Earthscope Globe Earthscope Globe](sites/default/files/styles/medium/public/default_images/earthscope-partial-globe.png?itok=dcP11kO0)
The EarthScope Decade Symposium
2014-10-14
Celebrating Ten Years of Geoscience Accomplishments![Earthscope Globe Earthscope Globe](sites/default/files/styles/medium/public/default_images/earthscope-partial-globe_0.png?itok=ahJ20H88)
Workshop Report: Modern and Ancient Basement Arches and the Connection to Flat Slab Subduction
2014-09-22
By Megan Anderson (CC), Kate Miller (TAMU), Susan Beck (UA), and Margarete Jadamec (UH) - Fall 2014
The structural dissimilarity between basement-involved arches and thin…
![Earthscope Globe Earthscope Globe](sites/default/files/styles/medium/public/default_images/earthscope-partial-globe_0.png?itok=ahJ20H88)
Transportable Array Contributes to the Central and Eastern US Network
2014-03-22
By Perle Dorr, IRIS - Spring 2014
The National Science Foundation is funding the creation of a Central and Eastern US Network (CEUSN) for the purpose of obtaining long-…
![Earthscope Globe Earthscope Globe](sites/default/files/styles/medium/public/default_images/earthscope-partial-globe_0.png?itok=ahJ20H88)
Earthquakes and Human Activities Addressing Public Concerns
2014-03-22
North Texas Earthquake Study Group, Southern Methodist University - Spring 2014
There is currently public, scientific, and policy concern regarding the recent increased…
![Earthscope Globe Earthscope Globe](sites/default/files/styles/medium/public/default_images/earthscope-partial-globe_0.png?itok=ahJ20H88)
New Flexible Array Video Series
2014-01-01
By ESNO - Winter 2014
Geology might not be the first thing that comes to mind if you heard the names SESAME, CAFÉ, SUGAR, and OIINK, but these are just a few examples of…
2013
![Earthscope Globe Earthscope Globe](sites/default/files/styles/medium/public/default_images/earthscope-partial-globe_0.png?itok=ahJ20H88)
Hitting Hot Water with PBO Borehole Strainmeters in the Yellowstone Caldera
2013-12-22
By Glen Mattioli and David Mencin - Winter 2014
Data from the Yellowstone Gladwin Tensor strainmeter (GTSM) network are improving the understanding of the structure of…
![Earthscope Globe Earthscope Globe](sites/default/files/styles/medium/public/default_images/earthscope-partial-globe_0.png?itok=ahJ20H88)
USArray Looks Back as it Looks Ahead
2013-09-22
By IRIS - Fall 2013
Ten years ago, the construction of USArray observatories officially began. This followed numerous community meetings, countless hours of meticulous…
![Earthscope Globe Earthscope Globe](sites/default/files/styles/medium/public/default_images/earthscope-partial-globe_0.png?itok=ahJ20H88)
Monitoring Surface Deformation at Long Valley Caldera, California
2013-09-22
By Kang Hyeun Ji - Fall 2013
Continuous monitoring of volcanic activity provides a way to detect changes from usual activity, provide warning impending eruptions, and…
![Earthscope Globe Earthscope Globe](sites/default/files/styles/medium/public/default_images/earthscope-partial-globe_0.png?itok=ahJ20H88)
SPREE: A Seismic Study of Continental Modification
2013-06-22
Trevor Bollmann, Emily Wolin, Suzan van der Lee, and the SPREE Team - Summer 2013
Northwestern University, Washington University in St. Louis, the University of Minnesota…
![Earthscope Globe Earthscope Globe](sites/default/files/styles/medium/public/default_images/earthscope-partial-globe_0.png?itok=ahJ20H88)
USArray - Alaska Deployment Planning
2013-06-22
Terry Pavlis, UTEP - Spring 2013
On February 19 and 20 approximately 50 geoscientists met at the Pacific Geoscience Center in Sydney, British Columbia, to discuss…
![Earthscope Globe Earthscope Globe](sites/default/files/styles/medium/public/default_images/earthscope-partial-globe_0.png?itok=ahJ20H88)
USArray Infrasound Data Products at IRIS
2013-06-22
By Manochehr Bahavar and Chad Trabant - Summer 2013
Diverse natural and man-made acoustic sources such as large explosions, rocket launches, and meteorites can act as…
![Earthscope Globe Earthscope Globe](sites/default/files/styles/medium/public/default_images/earthscope-partial-globe_0.png?itok=ahJ20H88)
Deformation of the Wasatch Fault System
2013-03-22
Plate Boundary Observatory Data![Earthscope Globe Earthscope Globe](sites/default/files/styles/medium/public/default_images/earthscope-partial-globe_0.png?itok=ahJ20H88)
Chelyabinsk Meteor lit up the Transportable Array
2013-03-22
By Catherine D. de Groot-Hedlin and Michael Hedlin - Spring 2013
The large meteorite that entered Earth's atmosphere above Chelyabinsk, Russia last month drew attention…
![Earthscope Globe Earthscope Globe](sites/default/files/styles/medium/public/default_images/earthscope-partial-globe_0.png?itok=ahJ20H88)
Chlorite-Smectite Clay Minerals and Fault Behavior
2013-01-01
Evidence from the San Andreas Fault Observatory at Depth (SAFOD)2012
![Earthscope Globe Earthscope Globe](sites/default/files/styles/medium/public/default_images/earthscope-partial-globe_0.png?itok=ahJ20H88)
Understanding Continental Evolution using Data from the Transportable Array
2012-09-22
By Dr.Hersh Gilbert - Fall 2012
Do high mountains possess thick roots of low-density crust that keep them a"oat in the denser mantle, or do zones of low-density mantle…
![Earthscope Globe Earthscope Globe](sites/default/files/styles/medium/public/default_images/earthscope-partial-globe_0.png?itok=ahJ20H88)
Mineral, VA Earthquake Demonstrates the Passive Aggressive Margin of Eastern North America
2012-03-22
By Meghan Berg - Spring 2012
On August 23, 2011, the Mw 5.8 Mineral, Virginia, earthquake rocked the east coast of the U.S. While moderate in comparison to recent mega-…