Research Group News
1/10/17 - Welcome to Andrea Tesoniero, who just arrived to start a postdoctoral position in our research group! Andrea is an expert on mantle tomography and computational approaches to seismology, and he will be working on problems related to anisotropy in the lowermost mantle. Welcome, Andrea! (And yes, this now means we have two guys named Andrea in the group…)
12/20/16 - As usual, our group had a busy week at the AGU Fall Meeting, featuring presentations by students Neta Bar, Jie Deng, Neala Creasy, and Juan Aragon, as well as Maureen. We were also happy to hang out with group alums Colton Lynner, Erin Wirth, Caroline Eakin, and Heather Ford at the meeting. If you’re interested, you can check out the AGU Honors Ceremony and Maureen’s talk in the New Generation of Scientists session on AGU On Demand - look under the “Union” session listings.
12/7/16 - Congratulations to Dr. Alexandra Goryaeva, who successfully defended her Ph.D. thesis at Universite de Lille earlier this week. Maureen was very fortunate to be a member of her thesis committee - thanks for a terrific defense talk, and congrats!
11/30/16 - Maureen had a great trip out to USC earlier this week to give another EarthScope Speaker Series talk on the structure and dynamics of the eastern US - thanks for a great visit!
11/18/16 - Thanks to Tine Thomas at WWU Muenster and Tarje Nissen-Meyer at Oxford for hosting Maureen for terrific visits last week - looking forward to new and exciting collaborations with you both!
10/28/16 - Maureen is just back from a whirlwind two-week trip that included MAGIC field work as well as visits to McGill University, West Virginia University, and the Eastern Section SSA meeting to talk about results from the MAGIC project. The McGill and WVU trips were sponsored by the EarthScope National Office as part of the EarthScope Speaker Series.
10/25/16 - Hard to believe, but the MAGIC data set is officially in the books! We wrapped up our final field campaign for MAGIC a few days ago, demobilizing 28 broadband stations and packing up the equipment to go back to the PASSCAL instrument center. Thanks to our amazing field crew: Juan Aragon, Neala Creasy, Puskar Mondal, Andrea Servali, Bryce Crawford, Sarah Arveson, and John West.
8/30/16 - Welcome to Puskar Mondal, who has just arrived at Yale to start his Ph.D. program in seismology. He is starting a project to develop new approaches to shear wave splitting tomography. He recently completed his undergraduate studies at IIT Kharagpur in India. Welcome, Puskar!
8/24/16 - We’ve just wrapped up two successful weeks of field work with the Field Experiences for Science Teachers (FEST) project! We had eight teacher participants this year, and we were able to service 5 SEISConn stations and install 6 new ones. Thanks Dorrie, Stephen, Brian, Katherine, Sean, Frank, Barbara, and Dustin for all your hard work!
7/18/16 - Maureen just got back from two weeks at the 2016 CIDER Summer Program on Flow in the Deep Earth at the Kavli Institute for Theoretical Physics, UCSB. We had a strong Yale contingent there, including Prof. Kanani Lee, current graduate students Neala Creasy and Sarah Arveson, and recent grads Caroline Eakin and Tolu Olugboji. Check out the program (including slides and videos from the presentations) here.
7/10/16 - Yale News just did a really cool profile of the SEISConn project - check it out here! We are psyched to get the remaining 8 stations installed next month - check back here for updates.
6/3/16 - We are currently recruiting high school science teachers to participate in the Summer 2016 FEST (Field Experiences for Science Teachers) program, which will run during the first three weeks of August. More details can be found here.
6/1/16 - Welcome to Andrea Servali, who has just arrived at Yale to begin his Ph.D. Andrea will be working on the structure and dynamics of the eastern US, using data from the MAGIC experiment and other deployments. He comes to us from Rutgers University, where he completed his bachelor’s degree in geology. Welcome, Andrea!
5/31/16 - We’ve just returned from the field for the May 2016 service run for the MAGIC project. Teams from Yale and TCNJ visited all 28 stations to collect data and check on station health - you can see field pictures on our Twitter feed @MagicGeoArray.
5/23/16 - Hard to believe that Commencement is here again! Congratulations to Dr. Colton Lynner, who will be receiving his diploma at the ceremonies today - and welcome back to campus, Colton! Congratulations also to graduating seniors Ivette Lopez, Eric Fein, and XinXin Xu, who all worked on senior projects with Maureen.
5/5/16 - Maureen is very pleased to have been chosen as a speaker for the EarthScope Speaker Series for 2016-2017. Speakers are selected “based on their outstanding research accomplishments involving EarthScope as well as their abilities to engage a variety of audiences.” I’m looking forward to giving my talk, titled “The Appalachians and how they got that way: Structure and dynamics of eastern North America.”
4/20/16 - A double congratulations to Neala Creasy, who has recently been awarded an NSF Graduate Research Fellowship and who just passed her Ph.D. qualifying exam!
3/20/16 - Maureen just got back from a great field trip to the Big Island of Hawaii with the G&G100 Natural Disasters class. Not a bad way to spend spring break! We did some terrific hiking in Volcano National Park, went stargazing on Mauna Kea, and had a great visit to the USGS Hawaiian Volcano Observatory.
1/4/16 - Congratulations to undergrads Kenneth Jackson and John McNamara, who have just had their first scientific paper published in G-cubed.
12/21/15 - Fall AGU is usually a busy week for our research group, and this year was no exception! Highlights included presentations by undergraduates XinXin Xu, Juan Aragon, and Lauren Abrahams, postdoc Heather Ford, graduate student Neala Creasy, and former graduate students Erin Wirth and Colton Lynner. We presented new results on lowermost mantle anisotropy, the mid-lithospheric discontinuity, the MAGIC experiment, and the Field Experiences for Science Teachers project.
11/30/15 - Another result from the PULSE project has just been published, with recent graduate Caroline Eakin’s paper on internal deformation of the subducting Nazca slab coming out in Nature Geoscience. News releases on this paper can be found here and here.
11/10/15 - Maureen has just returned from the 2015 Kavli Frontiers of Science Symposium in Irvine, CA, where she enjoyed an excellent meeting that covered a range of scientific disciplines.
9/21/15 - Congratulations to Colton Lynner, who has just successfully defended his Ph.D. thesis. Colton will spend some time this fall at Yale finishing things off, and then will move to Tucson to start a postdoc with Susan Beck at the University of Arizona. Congratulations to the new Dr. Lynner!
8/14/15 - New results from the PULSE project have just been published in Nature! Sanja Knezevic Antonijevic’s paper on surface wave tomography using PULSE data shows evidence for a slab tear in the northern portion of the PULSE study area, shedding light on the dynamics and temporal evolution of flat slabs and the role that the subducting Nazca Ridge plays in Peruvian flat slab dynamics. News releases on this paper can be found here and here.
8/10/15 - Goodbye to IRIS summer intern Lauren Abrahams, who just finished up a summer working on receiver function analysis for stations located near the Grenville deformation front in the eastern US. Lauren also did field work with our group for the MAGIC and SEISConn experiments. Lauren will be presenting the results of her project at the AGU Fall Meeting. Thanks for a great summer, Lauren - we miss you already!
8/7/15 - We’ve just had a great week in the field for the Field Experiences for Science Teachers (FEST) project, which involves high school science teachers in seismology field work. We installed four seismic stations in northern Connecticut as part of the Seismic Experiment to Image Structure beneath Connecticut (SEISConn) deployment, which is a planned array of 15 stations. Teachers Meg Weingart (Cheshire High School) and Troy Schinkel (currently transitioning from a position at Southington High School to teaching full-time at the college level) joined us for a week of field work, and we had a blast. Thanks Meg and Troy for your hard work!
7/13/15 - Check out the August 2015 issue of Physics of the Earth and Planetary Interiors, which contains two new papers from our group. One, by postdoc Heather Ford, is on evaluating geodynamical models for flow at the base of the mantle. The second, by graduate student Anwar Mohiuddin, is on observations of mid-mantle anisotropy and describes the results of his second discourse project.
7/6/15 - We’re just back from another trip to the MAGIC field area, where we installed another 4 seismic stations, relocated one, and fixed some failing GPS antennas. Thanks to Lauren, Helen, Shangxin, and Juan for your hard work!
6/1/15 - Welcome to summer intern Lauren Abrahams, who will be working with Maureen and postdoc Heather Ford to study the anisotropic structure of the lithosphere in the central and eastern US. Lauren is being hosted through the IRIS internship program, and she is writing a blog about her summer research experiences - check it out!
5/11/15 - We are ready for some springtime MAGIC - Maureen and G&G undergraduate student Juan Aragon will be in the field this week for a service run to collect data from the MAGIC stations. We are also looking forward to presenting some preliminary results from MAGIC at the EarthScope National Meeting in Stowe, VT next month!
4/30/15 - Grad student Colton Lynner’s paper on mid-mantle anisotropy beneath Japan, Izu-Bonin, and South America has just been published in GJI.
4/13/15 - Yale seismologists go to sea! Maureen Long and Colton Lynner just got back from ten days on the R/V Endeavor, retrieving broadband ocean bottom seismometers from offshore North Carolina. This cruise was part of the data collection effort for the GeoPRISMS Eastern North American Margin (ENAM) Community Seismic Experiment (CSE). We had a blast on the cruise - thanks to the participating scientists, the crew of the Endeavor, and the amazing WHOI OBS techs for all their efforts. Check out photos from the cruise on the ENAM CSE blog.
4/10/15 - Postdoc Heather Ford’s paper on observations and modeling of lowermost mantle seismic anisotropy beneath the Afar region of Africa has just been published in EPSL.
3/12/15 - Thank you to the New Haven Mineral Club for hosting me as a guest speaker on Connecticut earthquakes this past week.
3/2/15 - A huge thanks to earth science teacher Megan Weingart of Cheshire High School for the invitation to come and speak to her classes about seismology and plate tectonics last week - I had a blast and thoroughly enjoyed my visit to CHS!
2/25/15 - Maureen had the pleasure of visiting WNPR’s Where We Live program as a guest last week, chatting with John Dankosky and Patrick Skahill about Connecticut earthquakes and geology. The interview aired this past Friday; if you’re interested in listening, you can find it here.
1/22/15 - Recent graduate Caroline Eakin’s paper on SKS splitting beneath the PULSE stations in southern Peru has just been published in EPSL.
1/19/15 - Last week was an exciting one for us Connecticut seismologists, as the Plainfield area experienced a small earthquake swarm. You can check out news coverage of this event here, here, and here.
1/15/15 - Big news - the first batch of data from the EarthScope FlexArray MAGIC experiment is now archived at the DMC! The network code is 7A - further information is available via the DMC Metadata Aggregator here. The dataset includes one unrestricted station (CABN, located in Riverton, WV) - data from this station is freely available for use by anyone at any time. The rest of the data will be released two years after the end of the experiment.
12/21/14 - We’ve just come back from a successful and busy AGU Fall Meeting, with presentations on seismic anisotropy in the transition zone and uppermost lower mantle, lowermost mantle deformation at the boundaries of LLSVPs, structure and dynamics of the Peruvian flat slab, and the anisotropy of the continental lithosphere beneath the central and eastern US. Congratulations to Yale undergrads Kenneth Jackson and John McNamara, who gave their first-ever presentations at a scientific meeting.
12/3/14 - A big congratulations to Caroline Eakin, who has just successfully defended her Ph.D. thesis on the dynamics of flat slab subduction beneath Peru. Caroline will be starting a postdoctoral fellowship at the National Oceanography Centre/University of Southampton next month. Congratulations, Dr. Eakin!
11/26/14 - Another MAGIC field update: we got another 4 stations installed just before the Thanksgiving holiday, for a total of 23 stations currently operating. Data from the first year of the experiment are currently being archived at the IRIS DMC - stay tuned for updates!
10/30/14 - Do you believe in MAGIC? A group of 12 seismologists from Yale, including a group of students from G&G456 (Introduction to Seismology), has just returned from our fall break trip to VA/WV/OH to install stations for the MAGIC broadband seismic experiment. We now have 19 instruments from the USArray Flexible Array pool up and running, with 9 more coming soon. Check out the latest field pictures on the MAGIC website, or follow us on Twitter at @MagicGeoArray.
10/17/14 - Former grad student Karen Paczkowski, now a science policy fellow at GSA, has just had two papers published describing her research on the numerical modeling of mantle flow beneath subducting slabs - one in GRL and one in G^3.
10/10/14 - Grad student Colton Lynner’s paper on testing models of sub-slab anisotropy using source-side shear wave splitting data has just been published in JGR.
9/16/14 - This is an exciting month for the GeoPRISMS Eastern North American Margin (ENAM) Community Seismic Experiment (CSE). I’m one of a group of scientists involved in planning and executing this project, which involves the collection of a suite of seismic data (both active and passive source, onshore and offshore) to study the structure of the ENAM passive margin. Two research cruises are currently ongoing, as well as the deployment and servicing of land seismic stations in North Carolina. More info about the project is available on the website - check it out here. Good luck to all the ENAM scientists who are in the field this month - I’m looking forward to being part of the science party for the broadband recovery cruise this spring!
8/29/14 - Congratulations to Erin Wirth, who has just successfully defended her Ph.D. thesis! Erin’s thesis is titled “Interrogating Seismic Anisotropy in Subduction Zones and Continental Interiors.” She will be starting a postdoctoral research position at the University of Washington next month. Congratulations to the new Dr. Wirth!
8/25/14 - New graduate student Neala Creasy has just arrived to start her Ph.D. program - welcome Neala!
8/22/14 - We’ve just returned from the PASSCAL Instrument Center for instrument training in advance of the big MAGIC install trip - Maureen, grad student Colton Lynner, and undergrad G&G major Juan Aragon spent two days in Socorro, NM last week. Thanks to Pnina, Noel, and Katyliz out at PASSCAL for an excellent training course.
8/18/14 - Current graduate student (and soon-to-be-alum) Erin Wirth’s paper on the anisotropic structure of the mid-lithospheric discontinuity beneath the central US has just been published on the Geology website.
8/1/14 - Maureen and collaborator Maggie Benoit just returned from a week in the field for the MAGIC experiment. We visited all 17 currently operating MAGIC stations, and found sites for another ~7 in preparation for the upcoming main installation phase. You can find updates on the MAGIC web page, including field photos from the experiment Twitter feed. (If you want to follow us on Twitter, you can find us at @MagicGeoArray!)
6/14/14 - Graduate student Colton Lynner’s paper documenting sub-slab shear wave splitting beneath circum-Pacific subduction zones has just been published in G^3.
6/2/14 - Yale undergraduate Tierney Larson, G&G undergrad and crack field seismologist, has just started a summer internship at the University of North Carolina through the IRIS summer internship program. You can follow Tierney’s blog about her summer research here.
5/27/14 - Graduate student Colton Lynner’s paper on lowermost mantle anisotropy at the boundary of the large low shear velocity province (LLSVP) beneath Africa has just been published in Geophysical Research Letters.
5/23/14 - Graduate student Caroline Eakin’s paper on local S splitting beneath Peru has just been published in Geophysical Research Letters. This paper represents the first publication of data from the recently completed PULSE experiment, which is aimed at understanding flat slab subduction beneath Peru. Several more papers based on the initial analysis of PULSE data are being prepared for publication, so watch this space for updates!
1/13/14 - Graduate student Erin Wirth has been awarded an Outstanding Student Paper Award (OSPA) from the Tectonophysics section for her presentation at the Fall AGU meeting. These awards recognize the top ~3-5% of student presenters at the conference. Congratulations, Erin!
12/18/13 - We’ve just returned from the 2013 AGU Fall Meeting, where we had a successful week of presentations. These included talks on sub-slab anisotropy and mantle dynamics (grad student Colton Lynner), lowermost mantle anisotropy beneath Africa (postdoc Heather Ford), and mantle wedge anisotropy and serpentinization (Maureen), along with posters on the mid-lithospheric discontinuity beneath the central US (grad student Erin Wirth), shear wave splitting beneath Peru (grad student Caroline Eakin), geodynamical modeling of rollback subduction (former grad student Karen Paczkowski) and anisotropy beneath central Europe (undergrad student Leah Campbell).
11/1/13 - The MAGIC experiment is officially collecting data! A team of Yale seismologists spent a week in the field at the end of October installing 17 (!!!) broadband stations in Virginia and West Virginia. Check out the MAGIC web page for updates (including some fun field pictures from the official MAGIC twitter feed). Thanks to postdoc Heather Ford, grad students Erin Wirth, Colton Lynner, Caroline Eakin, and Tolu Olugboji, and undergrads Tierney Larson, Juan Aragon, and Luke Cartwright for being part of the awesome Yale field team and for their hard work.
10/10/13 - We’ve just wrapped up a very successful workshop for the PULSE project, held in Tucson, AZ - seismologists from Yale, UNC, University of Arizona, and the Instituto Geofisico del Peru spent several days discussing preliminary results from PULSE and the related CAUGHT experiment. We’re currently starting to write up results for publication, so watch this space for updates!
9/12/13 - Graduate student Caroline Eakin’s paper on frequency-dependent shear wave splitting and complex anisotropy beneath the Peruvian flat slab has just been published in JGR.
8/27/13 - MAGIC field work is officially underway! Teams from TCNJ and Yale spent time in VA and WV in July and August identifying sites and installing vaults for seismic stations. We now have 17 vaults installed in VA/WV, with several additional sites identified. We hope to begin installing seismometers in October 2013 - stay tuned!
7/22/13 - Maureen has just returned from two awesome weeks at the Cooperative Institute for Dynamic Earth Research (CIDER) summer program in Berkeley, CA.
6/30/13 - Field work for the PULSE project in Peru has ended! Seismologists from Yale (including Maureen Long, Caroline Eakin, and Leah Campbell), the University of Arizona, and the University of North Carolina have just returned from a successful field campaign to demobilize the PULSE array.
5/31/13 - Maureen has just returned from several days in Socorro, NM, participating in the IRIS Internship Program orientation week. This year’s crop of IRIS interns will be publishing blogs on their summer projects - check them out here.
5/15/13 - We’ve just received word that the Mid-Atlantic Geophysical Integrative Collaboration (MAGIC) experiment has been funded by the NSF EarthScope program! This project will involve a deployment of 28 broadband seismometers across Virginia, West Virginia, and Ohio to study the mantle dynamics, lithospheric structure, and topographic evolution of the southeastern US passive continental margin. The project will involve a collaboration with Maggie Benoit (TCNJ), Scott King (Virginia Tech), and Eric Kirby (Oregon State). We anticipate that field work for this project will get underway this summer; stay tuned for updates!
5/10/13 - A paper describing the research of former summer intern Kimmy McCormack has just been published in GRL. Erin Wirth, who co-supervised Kimmy’s research, is also an author on the paper. We wish Kimmy luck as she heads off to UT Austin for grad school in the fall! UPDATE: There’s a featured item on the IRIS internship web page about this publication - check it out!
3/30/13 - Welcome to Dr. Heather Ford, who has just joined our research group as a postdoc. Heather is coming from Brown University, where she worked with Karen Fischer on the lithosphere-asthenosphere boundary. While at Yale, Heather will be working on lowermost mantle anisotropy and deformation. We’re excited to have her join the Yale seismology group!
1/20/13 - Graduate student Colton Lynner’s paper on seismic anisotropy and mantle flow beneath the Caribbean and Scotia slabs has just been published in EPSL.
12/10/12 - Members of our research group have just returned from a successful AGU Fall Meeting, with presentations on PULSE project results, mantle wedge anisotropy and hydration beneath Japan, sub-slab anisotropy and mantle flow beneath northwestern Pacific subduction zones, and lowermost mantle dynamics at the edge of the African LLSVP.
10/30/12 - The last service run for the PULSE project has been completed, with graduate student Caroline Eakin returning from a very successful trip to Peru. The PULSE array will remain deployed until early summer 2013. An abstract has been submitted to the AGU Fall Meeting describing preliminary analyses of PULSE data.
8/22/12 - Graduate student Erin Wirth’s paper on the structure of the mantle wedge beneath Japan from receiver function analysis has just been published in G-cubed.
8/15/12 - We’ve recently published a paper on SKS splitting in the southeastern US in collaboration with Lara Wagner and Maggie Benoit. This represents the first publication of data collected using the Yale broadband seismometers; 8 of these instruments were deployed in 2009-2010 in Virginia and West Virginia as part of the TEENA experiment. The paper also includes measurements made by former undergraduate intern Emme Johnston as part of her senior thesis at Mount Holyoke College, which was co-advised by Maureen.
6/11/12 - Undergraduate student and G&G major Leah Campbell has just started her IRIS summer internship working at the USGS in Menlo Park. Follow her blog describing her experiences here.
6/8/12 - Maureen is co-editing a special issue of Earth and Planetary Science Letters on scientific results from USArray - see the announcement on the EarthScope webpage. If you do USArray-related research, please consider contributing to the special issue - for questions or more info, contact Maureen.
6/7/12 - Graduate student Colton Lynner’s paper on the contribution to SK(K)S splitting from anisotropy in the lower mantle beneath Africa has just been published in BSSA.
5/23/12 - Caroline Eakin and Yale G&G undergraduate student Jenn Kasbohm are currently in Peru carrying out a service run of the PULSE array. This service run represents the midpoint of the PULSE experiment, so after this we’ll have at least one year of data available for all PULSE stations. Stay tuned for updates as scientific results from PULSE start to roll in.
5/15/12 - Yale senior physics major Daniel Petkevich has recently completed a senior project looking at mantle anisotropy beneath the Hindu Kush-Pamir seismic zone. Congratulations to Daniel on his graduation!
4/17/12 - Colton Lynner and Caroline Eakin have both passed their Ph.D. qualifying exams - congratulations Colton and Caroline!
4/9/12 - Karen Paczkowski has successfully defended her Ph.D. thesis. As part of her thesis research, Karen has been working with Maureen and collaborator Laurent Montesi to model the dynamics of the sub-slab mantle and understand how slab geometry, subslab decoupling, and ambient mantle flow interact to control the sub-slab mantle flow field. She is currently preparing two publications describing this work, so stay tuned for updates - and congratulations to the new Dr. Paczkowski!
3/13/12 - Recent grad Jenny Hanna’s paper describing her research on shear wave splitting and upper mantle anisotropy beneath the Alaska subduction zone has just been published in Tectonophysics.
3/9/12 - We’ve recently been funded through an NSF CAREER grant to carry out an investigation of the geodynamics of subducting slabs in the deep mantle using seismic anisotropy. This award will allow our group to explore anisotropy and mantle flow in D”, in the transition zone, and in the deep upper mantle beneath slabs. We will also be establishing a pilot program to involve secondary school science teachers in field seismology research. This project will officially get underway in April 2012 - stay tuned for updates!
12/14/11 - Postdoctoral researcher Xiaobo He’s paper on lowermost mantle anisotropy beneath the northwestern Pacific has been published in G-cubed.
12/5/11 - Our research group turned out in force at the 2011 AGU Fall Meeting, with presentations given by Maureen, postdoc Xiaobo He, graduate students Colton Lynner and Caroline Eakin, and former summer intern Kimmy McCormack, along with co-author Erin Wirth.
11/20/11 - A paper describing the research of former summer undergraduate research assistant Emme Johnston has just been published in Tectonophysics. Emme worked to evaluate the potential for subduction intiatiation at oceanic fracture zones.
10/19/11 - Maureen Long and Jenny Hanna have just returned from Peru, having accomplished a very successful service run of PULSE stations. Stay tuned for updates and early results from the PULSE project.
6/30/11 - We are thrilled that all 40 broadband seismic stations of the PULSE (PerU Lithosphere and Slab Experiment) project are up and running! A group of Yale seismologists (Maureen Long, Caroline Eakin, Colton Lynner, Erin Wirth, and Jenny Hanna) spent several weeks in Peru in May/June installing and servicing stations.
6/6/11 - Summer research intern Kimmy McCormack has arrived. Kimmy is a student at the University of South Carolina who will spend ten weeks at Yale this summer, hosted through the IRIS summer internship program. Kimmy will work closely with Erin Wirth on a project involving anisotropic receiver function analysis at stations located in the Ryukyu arc to understand mantle flow and the distribution of water within the mantle wedge.
5/3/11 - Jenny Hanna has successfully defended her M.S. thesis - congratulations Jenny!
4/5/11 - Erin Wirth has received news that she has been named an NSF Graduate Research Fellow - congratulations Erin!
1/21/11 - Graduate student Brad Foley’s paper on seismic anisotropy and mantle flow beneath the Tonga slab has just been published in GRL.