Gabi Laske

Researcher

Room: Munk Lab 324

Institute of Geophysics and Planetary Physics,
Scripps Institution of Oceanography,
University of California San Diego,
La Jolla, CA 92093-0225, USA.

Telephone: (858) 534-8774

Email: glaske@ucsd.edu

Website: http://mahi.ucsd.edu/Gabi

Research Summary for 2006: Download PDF (64.459KB)

Research Interests:

• analysis methods for seismic surface waves and free oscillations
• reference earth models
• seismic noise and the development and propagation of storms
• evolution and seismic imaging of the Hawaiian mantle plume, volcanic chain and swell
• seismic anisotropy and mantle dynamics, on land and in the oceans
• regional and global seismology
• natural disasters and global change

Courses Taught:

• ERTH10 (The Earth)
• ERTH15 (Natural Disasters)
• ESYS190A (Envir Sys/Senior Project)
• SIO15 (Natural Disasters)
• SIO199 (Special Studies)
• SIO227B (Advanced Seismology I)
• SIO299 (Research)

Recent publications: ^†

• Zuern, W., Wenzel, H.-G. and Laske, G., 1991. High quality data from LaCoste-Romberg gravimeters with electrostatic feedback: A challenge for superconducting gravimeters, Bull. d'Informations Marees Terrestres, 110, 7940-7952.
• Zuern, W., Laske, G., Widmer-Schnidrig, R. and Gilbert, F., 2000. Observation of Coriolis coupled modes below 1 mHz, Geophys. J. Int., 143, 113-118.
• Zhou, Y., Nolet, G., Dahlen, F.A. and Laske, G., 2006. Global upper mantle structure from finite-frequency surface-wave tomography, J. Geophys. Res., 111, B04304, doi:10.1029/2005/JB003677.
• Zhou, Y., Dahlen, F.A., Nolet, G. and Laske, G., 2005. Finite-frequency effects in global surface-wave tomography Geophys. J. Int., 163, 1087-1111.
• Park, J., Song, T-R., Tromp, J., Okal, E., Stein, S., Roult, G., Clevede, E., Laske, G., Kanamori, H., Davis, P., Berger, J., and 6 others, 2005. Earth's Free Oscillations Excited by the 26 December 2004 Sumatra-Andaman Earthquake Science, 308, 1139-1144.
• Mooney, W.D., Laske, G. and Masters, T.G., 1998. CRUST 5.1: A global crustal model at 5 degrees x 5 degrees, Journal of Geophysical Research-Solid Earth, 103, B1, 727-747.
• Mechie, J., Prodehl, C. and Koptschalitsch, G., 1986. Ray Path Interpretation of the Crustal Structure beneath Saudi Arabia, Tectonophysics, 131, 333-352.
• Masters, G., Laske, G., Bolton, H. and Dziewonski, A., 2000. The relative behavior of shear velocity, bulk sound speed, and compressional velocity in the mantle: implications for chemical and thermal structure, AGU Monograph series, "Seismology and Mineral Physics", Vol. 117, 63-87.
• Masters, G., Laske, G. and Gilbert, F., 2000. Matrix autoregressive analysis of free-oscillation coupling and splitting, Geophysical Journal International, 143, 2, 478-489.
• Masters, G., Laske, G. and Gilbert, F., 2000. Autoregressive estimation of the splitting matrix of free-oscillation multiplets, Geophysical Journal International, 141, 1, 25-42.
• Masters, G., Johnson, S., Laske, G. and Bolton, H., 1996. A shear-velocity model of the mantle, Philosophical Transactions of the Royal Society of London Series a-Mathematical Physical and Engineering Sciences, 354, 1711, 1385-1410.
• Laske, G., Weber, M. and the DESERT Working Group, Lithosphere Structure Across the Dead Sea Transform as Constrained by Rayleigh Waves Observed During the DESERT Experiment. Geophys. J. Int., 173, 593-610, 2008.
• Laske, G., Phipps Morgan, J. and Orcutt, J.A., 2007. The Hawaiian SWELL Pilot Experiment - Evidence for Lithosphere Rejuvenation from Ocean Bottom Surface Wave Data, GSA Special Paper 430, doi: 10.1130/2007.2430(11).
• Laske, G., Phipps Morgan, J. and Orcutt, J.A., 1999. First results from the Hawaiian SWELL pilot experiment, Geophysical Research Letters, 26, 22, 3397-3400.
• Laske, G., and Cotte, N., 2001. Surface wave waveform anomalies at the Saudi Seismic Network, Geophysical Research Letters, 28, 23, 4383-4386.
• Laske, G., 1995. Global Observation of Off-Great-Circle Propagation of Long-Period Surface-Waves, Geophysical Journal International, 123, 1, 245-259.
• Laske, G. and Widmer--Schnidrig, R., 2007. Normal Mode & Surface Wave Observations. in: "Treatise on Geophysics, Volume 1: Seismology and Structure of the Earth", 67-125.
• Laske, G. and Masters, G., 2003. The Earth's Free Oscillations and the Differential Rotation of the Inner Core, AGU Geodynamics series, "Earth's Core; Dynamics, Structure, Rotation", Vol. 31, 5-21.
• Laske, G. and Masters, G., 1999. Limits on differential rotation of the inner core from an analysis of the Earths free oscillations, Nature, 402, 6757, 66-69.
• Laske, G. and Masters, G., 1998. Surface-wave polarization data and global anisotropic structure, Geophysical Journal International, 132, 3, 508-520.
• Laske, G. and Masters, G., 1996. Constraints on global phase velocity maps from long-period polarization data, Journal of Geophysical Research-Solid Earth, 101, B7, 16059-16075.
• Laske, G. , Masters, G. and Z\"urn, W., 1994. Frequency-Dependent Polarization Measurements of Long-Period Surface-Waves and Their Implications for Global Phase-Velocity Maps, Physics of the Earth and Planetary Interiors, 84, 1-4, 111-137.
• Houser, C., Masters, G., Shearer, P. and Laske, G., Shear and compressional velocity models of the mantle from cluster analysis of long-period waveforms. Geophys. J. Int., 174, 195-212, 2008.
• Cotte, N. and Laske, G., 2002. Testing group velocity maps for Eurasia, Geophysical Journal International, 150, 3, 639-650.
• Butler, R., Lay, T., Creager, K., Earle, P., Fischer, K., Gaherty, J., Laske, G., Leith, B., Park, J., Ritzwoller, M., Tromp, J. and Wen, L., 2004. The Global Seismographic Network Surpasses Its Design Goal. EOS Trans. AGU, 85, 225-229.