Publications

*Chrapkiewicz K., M. Paulatto, B.A. Heath, E. Hooft, P. Nomikou, C.B. Papazachos, F. Schmid, D.R. Toomey, M.R. Warner, J.V. Morgan, Magma chamber detected beneath an arc volcano with high-resolution velocity images, in review in Geochem. Geophys. Geosyst (preprint at https://eartharxiv.org/repository/view/3141/), 2022.

Schmid, F., G. Petersen, E. Hooft, M. Paulatto, K. Chrapkiewicz, M. Hensch, T. Dahm, Heralds of a future eruption? Swarms of microseismicity beneath the submarine Kolumbo volcano indicate opening of near-vertical fractures exploited by ascending melts, Geochemistry, Geophysics, Geosystems, 23, e2022GC010420, doi:10.1029/2022GC010420, 2022.

*Heath, B.A., E. Hooft, D.R. Toomey, M. Paulatto, C.B. Papazachos, P. Nomikou, J. Morgan, Relationship between active faulting/fracturing and magmatism around Santorini: Seismic anisotropy from an active source tomography experiment, Journal of Geophysical Research, doi: 10.1029/2021JB021898, 2021.

*Huff A.E., P. Nomikou,L.A. Thompson, E. Hooft, Onshore-offshore geomorphologic map of the Christiana-Santorini-Kolumbo volcanic group, Greece, accepted in Journal of Maps, doi:10.1080/17445647.2021.1880980, 2020.

*Mayer, J., V. Sahakian, E. Hooft, F. Toomey, R. Durairajan, On the resilience of internet infrastructures in Pacific Northwest to earthquakes, paper #44, Passive and Active Measurement Conference, 247-265, doi: 10.1007/978-3-030-72582-2_15, 2021.

*Paraskevas, M., D. Paradissis, R. Konstantinos, P. Nomikou, E. Hooft, K. Bejelou, Gravity observations on Santorini island (Greece): Historical and recent campaigns, accepted in Contributions to Geophysics and Geodesy, doi:10.31577/congeo.2021.51.1.1, 2021.

Bodmer, M., D. Toomey, B. VanderBeek, E. Hooft, J.S. Byrnes, Body wave tomography of the Cascadia subduction zone and Juan de Fuca plate system: Identifying challenges and solutions for shore-crossing data, Geochem. Geophys. Geosyst, doi: 10.1029/2020GC009316, 2020.

*McVey, B.G., E.E.E. Hooft, B.A. Heath,D.R. Toomey, M. Paulatto, J.V. Morgan, P. Nomikou, C.B. Papazachos,Magma accumulation beneath Santorini volcano from P-wave tomography, Geology, doi:10.1130/G47127.1, 2020.

Paulatto, M., M. Moorkamp, S. Hautmann, E. Hooft, J. V. Morgan, R.S.J. Sparks, Vertically extensive magma reservoir revealed from joint inversion and quantitative interpretation of seismic and gravity data, Journal of Geophysical Research, doi: 10.1029/2019JB018476, 2019.

*Heath, B.A.,E. E. E.Hooft, D.R. Toomey, C.B. Papazachos, P. Nomikou, M. Paulatto, J.V. Morgan, M.R. Warner, Tectonism and its relation to magmatism around Santorini volcano from upper crustal P-wave velocity, Journal of Geophysical Research, JGRB53679, doi: 10.1029/2019JB017699, 2019.

Hooft, E., We probed Santorini’s volcano with sound to learn what’s going on beneath the surface, TheConversation.com, June 24, 2019. As of 10/1/19: 12,801 reads, 709 Facebook shares, 15 tweets, 2 newspaper engagements, and 29 re-publishers.

Hooft, E. E. E., B.A. Heath, D.R. Toomey, M. Paulatto, C.B. Papazachos, P. Nomikou, J.V. Morgan, M.R. Warner, Seismic imaging of Santorini: Subsurface constraints on caldera collapse and present-day magma recharge. Earth and Planetary Science Letters, 514, 48–61, doi:10.1016/j.epsl.2019.02.033, 2019.

*Arnoux, G.M., D.R. Toomey, E.E.E. Hooft, W.S.D. Wilcock, Seismic imaging and physical properties of the Endeavour segment: Evidence that skew between mantle and crustal magmatic systems governs spreading center processes, Geochem. Geophys. Geosyst., doi: 10.1029/2018GC007978, 2019.

*Kim, E., D.R. Toomey, E.E.E. Hooft, W.S.D. Wilcock, R.T. Weekly, S-M. Lee, YH. Kim, Upper crustal Vp/Vs ratios at the Endeavour segment, Juan de Fuca Ridge, from joint inversion of P and S travel times: Implications for hydrothermal circulation, Geochem. Geophys. Geosyst., doi: 10.1029/2018GC007921, 2019.

*Bodmer, M., D.R. Toomey, E.E.E. Hooft, B. Schmandt, Buoyant Asthenosphere Beneath Cascadia Influences Megathrust Segmentation, Geophys. Res. Lett., doi: 10.1029/2018GL078700, 2018.

*Heath, B. A., E. E. E. Hooft, and D. R. Toomey, Autocorrelation of the seismic wavefield at Newberry Volcano: Reflections from the magmatic and geothermal systems, Geophys. Res. Lett., doi: 10.1002/2017GL076706, 2018.

*Brynes, J.S., D.R. Toomey, E.E.E. Hooft, J. Nabalek, J.M. Braunmiller, Mantle dynamics beneath the discrete and diffuse plate boundaries of the Juan de Fuca plate: Results from Cascadia Initiative body wave tomography, Geochem. Geophys. Geosyst., doi: 10.1002/2017GC006980, 2017

Hooft, E.E.E., P. Nomikou, D.R. Toomey, D. Lampridou, C. Getz, M.-E. Christopoulou, D. O’Hara, G.M. Arnoux, M. Bodmer, M. Gray, B.A. Heath, B.P. VanderBeek, Backarc tectonism, volcanism, and mass wasting shape seafloor morphology in the Santorini-Christiana-Amorgos region of the Hellenic Volcanic Arc, Tectonophysics, doi: 10.1016/j.tecto.2017.06.005, 2017.

*Arnoux, G.M., D.R. Toomey, E.E.E. Hooft, W.S.D. Wilcock, J. Morgan, M.Warner, and B. P. VanderBeek, Seismic evidence that black smoker heat flux is influenced by localized magma replenishment and associated increases in crustal permeability, Geophys. Res. Lett., 44, doi:10.1002/2016GL071990, 2017

*VanderBeek, B., D.R. Toomey, E.E.E. Hooft, and W.S.D. Wilcock, Segmentation of mid-ocean ridges attributed to oblique mantle divergence, Nature Geosci.,9,  doi:10.1038/NGEO2745, 2016.

*Soule, D., W.S.D. Wilcock, D.R. Toomey, E.E.E. Hooft, and R.T. Weekly, Near-axis crustal structure and thickness of the Endeavour Segment, Juan de Fuca Ridge, Geophys. Res. Lett., 43, doi:10.1002/2016GL068182, 2016.

Morgan, J., M. Warner, G. Arnoux, E. Hooft, D. Toomey, B. VanderBeek, W. Wilcock, Next-generation seismic experiments – II: wide-angle, multi-azimuth, 3-D, full-waveform inversion of sparse field data, Geophys. Jour. Internl, 204, 1342-1363, doi:10.1093/gji/ggv513, 2016.

*Heath, B. A., E. E. E. Hooft, D. R. Toomey, and M. J. Bezada, Imaging the magmatic system of Newberry Volcano using joint active source and teleseismic tomography, Geochem. Geophys. Geosyst., 16,  doi:10.1002/2015GC006129/full, 2015. Supplement

*Bodmer, M., D. R. Toomey, E. E. Hooft, J. Nábĕlek, and J. Braunmiller, Seismic anisotropy beneath the Juan de Fuca plate system: Evidence for heterogeneous mantle flow, Geology, G37181.1,  doi:10.1130/G37181.1, 2015.

*Byrnes, J.S., E.E.E. Hooft, D.R. Toomey, D.R. Villagómez, D.M. Geist, S.C. Solomon, An upper mantle seismic discontinuity beneath the Galápagos Archipelago and its implications for studies of the lithosphere-asthenosphere boundary, Geochemistry, Geophysics, Geosystems, doi: 10.1003/2014Gc005694, 2015.

Brandsdóttir, B., Hooft, E.E.E., R. Mjelde, H. Shimamura, and Y. Murai, Origin and Evolution of the Kolbeinsey Ridge and Iceland Plateau, N-Atlantic, Geochemistry, Geophysics, Geosystems, doi: 10.1002/2014GC005540, 2015.

Hooft, E., Women in Oceanography: A Decade Later, Autobiographical Sketches, Oceanography,27, No. 4, 140, 2014.

Toomey, D.R., R.M. Allen, A.H. Barclay, S.W. Bell, P.D. Bromirski, R.L. Carlson, J.A. Collins, R.P. Dziak, B. Evers, D.W. Forsyth, P. Gerstoft, E.E.E. Hooft, D. Livelybrooks, J.A. Lodewyk, D.S. Luther, J.J. McGuire, S.Y. Schwartz, M. Tolstoy, A.M. Tréhu, M. Weirathmueller, W.S.D. Wilcock, The Cascadia Initiative: A Sea Change In Seismological Studies of Subduction Zones, Oceanography 27(2):138–150, doi: 10.5670/oceanog.2014.49, 2014.

*Villagómez D.R., D.R. Toomey, D.J. Geist, E.E.E. Hooft, S.C. Solomon, Seismic imaging reveals mantle flow and multistage melting beneath the Galápagos, Nature Geoscience, doi: 10.1038/NGEO2062, 2014. Supplement

*Weekly, R.T., W.S.D. Wilcock, D.R. Toomey, E.E.E. Hooft, E. Kim, Upper crustal seismic structure of the Endeavour Segment, Juan de Fuca Ridge from travel time tomography: Implications for oceanic crustal accretion, Geochemistry, Geophysics, Geosystems, doi:10.1002/2013GC005159, 2014.

Hooft, E.E.E., Cascadia Initiative Expedition Team, Student Seagoing Experiences: The 2013 Cascadia Initiative Expedition Team’s Apply to Sail Program, GeoPRISMS Newsletter, Fall 2013, 31,23-26, 2013

*Weekly R.T., W.S.D. Wilcock, E.E.E. Hooft, D. Toomey, P. McGill, D. Stakes, Termination of a decadal-scale ridge-spreading event observed using a seafloor seismic network on the Endeavour Segment, Juan de Fuca Ridge, Geochemistry, Geophysics, Geosystems, doi: 10.1002/ggge.20105, 2013.

*Beachly M., E. Hooft, D. Toomey, G. Waite, Constraining the size and depth of a shallow crustal magma body at Newberry volcano using P-wave tomography and finite-difference waveform modeling, J. Geophys. Res., 117, B10311, doi:10.1029/2012JB009458, 2012.

Kelley, D.S. S M. Carbotte, D. Clague, D.W. Caress , J. Delaney, J.B. Gill, H. Hadaway, J.F. Holden, E.E.E. Hooft, J.P. Kellogg, M.D. Lilley, M. Stoermer, D. Toomey, R. Weekly, and W.S.D. Wilcock, Endeavour Segment of the Juan de Fuca Ridge, One of the Most Remarkable Places on Earth, Oceanography 25(1):44–61, doi:10.5670/oceanog.2012.03, 2012.

*Villagómez D.R., D.R. Toomey, E.E.E. Hooft, S.C. Solomon, Crustal structure beneath the Galápagos Archipelago from ambient noise tomography and its implications for plume-lithosphere interactions, J. Geophys. Res., 116, B04310, doi:10.1029/2010JB007764, 2011.

Hooft, E. E. E., H. Patel, W. S. D. Wilcock, K. Becker, D. A. Butterfield, E. E. Davis, R. Dziak, K. Inderbitzen, M. D. Lilley, P. McGill, D. R. Toomey, D. Stakes, A seismic swarm and regional hydrothermal and hydrologic perturbations: the northern Endeavour segment, February 2005., Geochem. Geophys. Geosyst., Q12015, doi:10.1029/2010GC003264, 2010.

Wilcock, W. S. D., E. E. E. Hooft, D. R. Toomey, P. R. McGill, A. H. Barclay, D. S. Stakes, and T. M. Ramirez, The role of magma injection in localizing black smoker activity, Nature Geosci., 2, 509-513, doi:10.1038/ngeo550, 2009.

Toomey, D.R. and E.E.E. Hooft, Mantle upwelling, magmatic differentiation, and the meaning of axial depth at fast-spreading ridges, Geology, 36, 679-682, doi:10.1130/G24834A.1, 2008.

*Villagómez, D. R., D. R. Toomey, E. E. E. Hooft, and S. C. Solomon, Upper mantle structure beneath the Galápagos Archipelago from surface wave tomography, J. Geophys. Res., 112, B07303, doi:10.1029/2006JB004672, 2007.

Hooft, E.E.E., B. Brandsdóttir, R. Mjelde, H. Shimamura, and Y. Murai, Asymmetric plume-ridge interaction around Iceland: The Kolbeinsey Ridge Iceland Seismic Experiment, Geochem. Geophys. Geosyst., 7, Q05015, doi:10.1029/2005GC001123, 2006.

Hooft, E., Autobiographical Sketches of Women in Oceanography, Oceanography,18, No. 1, 136, 2005.

*Fontaine, F., E.E.E. Hooft, P. Burkett, D.R. Toomey, S.C. Solomon, and P.G. Silver, Shear-wave Splitting Beneath the Galápagos Archipelago, Geophys. Res. Lett., 32, doi:10.1029/2005GL024014, 2005.

Hooft E.E.E., D.R. Toomey, and S.C. Solomon, Anomalously Thin Transition Zone Beneath the Galápagos Hotspot, Earth Planet. Sci. Lett., 216, 55-64, 2003.

Hooft E.et al., KRISE-2000: Constraining the Dynamics of Plume-Ridge Interaction to the North of Iceland. InterRidge News, 9, 37-40, 2000

Hooft, E.E.E., R.S. Detrick, D.R. Toomey, J.A. Collins, and J. Lin, Crustal Thickness and Structure along the Axial Valley of Three Contrasting Spreading Segments of the Mid-Atlantic Ridge, 33.5-35N, J. Geophys. Res., 105, 8205-8226, 2000.

Hooft, E.E.E., R.S. Detrick, and G.M. Kent, Seismic Structure and Indicators of Magma Budget along the Southern East Pacific Rise, J. Geophys. Res., 102, 27,319-27,340, 1997.

Canales, J.P., J.J. Dañobeitia, R.S. Detrick, E.E.E. Hooft, R. Bartolomé, and D. Naar, Variations in Axial Morphology along the Galápagos Spreading Center and the Influence of the Galápagos Hotspot, J. Geophys. Res., 102, 27,341-27,354, 1997.

Hooft, E.E.E., H. Schouten, and R.S. Detrick, Constraining Crustal Emplacement Processes from the Variation of Seismic Layer 2A Thickness at the East Pacific Rise, Earth Planet. Sci. Lett., 142, 289-309, 1996.

Hooft, E.E.E., and R.S. Detrick, The Relationship between Axial Morphology, Crustal Thickness, and Mantle Temperatures along the Juan de Fuca and Gorda Ridges, J. Geophys. Res., 100, 22,499-22,508, 1995.

Hooft, E.E., M. Kleinrock, and C. Ruppel, Rifting of the Oceanic Crust at Endeavor Deep on the Juan Fernandez Microplate, Mar. Geophys. Res., 17, 251-273, 1995.

Hooft, E.E., and R.S. Detrick, The Role of Density in the Accumulation of Basaltic Melts at Mid-Ocean Ridges, Geophys. Res. Lett., 20, 423-426, 1993.

Larson, R.L., R. C. Searle, M. C. Kleinrock, H. Schouten, R. T. Bird, D. F. Naar, R. I. Rusby, E. E. Hooft, H. Lasthiotakis, Roller-Bearing Tectonic Evolution of the Juan Fernandez Microplate, Nature, 356, 571-576, 1992.