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Taka'aki Taira
Post-Doctoral Fellow
Ph.D., 2004, Hokkaido University, Japan

Contact:
University of UT
Department of Geology & Geophysics
135 South 1460 East, Room 510
Salt Lake City, UT 84112

Phone: (801) 585-9792
Fax: (801) 581-7065 (departmental office)
Email: taira@earth.utah.edu

Taka webpage



BACKGROUND
    • B.S., 1999, Yamagata University
    • M.S., 2001, Hokkaido University
    • Ph.D. (Science), 2004, Hokkaido University

RESEARCH INTERESTS & PROJECTS
Nucleation process of earthquakes through detection of transient stress at seismogenic depth
Developing a back-projection method of scattered wavefields for extracting fault-zone heterogeneous structures
Detecting stress-induced spatiotemporal variations of scatterers at seismogenic depth

Magma intrusion process through integration of seismological and geodetic observations
Tracking magmatic fluid movement inferred from seismic activities
Numerical modeling of conduit flow in magma chamber

RECENT PUBLICATIONS
Papers

Submitted and in preparation

Taira, T., P.G. Silver, F. Niu, and R.M Nadeau,
Direct detection of temporal variations in seismic scatterers at seismogenic depth attributed to the 2004 Parkfield Earthquake, in preparation

Taira, T., P.G. Silver, F. Niu, and R.M Nadeau,
Seismic imaging of scatterers at seismogenic depth, San Andreas Fault, Parkfield. CA., in preparation.

Taira, T., K. Yomogida, Y. Kuwahara, K. Imanishi, and H. Ito,
Characteristics of high-frequency seismic scatterers as inferred from a new parameterization, in preparation.

Published

Taira, T., K. Yomogida, Y. Kuwahara, K. Imanishi, and H. Ito (2007),
Imaging of crustal heterogeneous structures using a slowness-weighted back-projection with effects of scattering modes II: Application to the Nagamachi-Rifu fault, Japan, area, J. Geophys. Res., in press.

Taira, T., and K. Yomogida (2007),
Imaging of crustal heterogeneous structures using a slowness-weighted back-projection with effects of scattering modes I: Theory, J. Geophys. Res., in press.

Taira, T., and K. Yomogida (2004),
Imaging of three-dimensional small-scale heterogeneities in the Hidaka, Japan region: Coda spectral analysis, Geophys. J. Int., 158(3), 998-1008. doi: 10.1111/j.1356-246X.2004.02333.x. (link to reprint)

Taira, T., and K. Yomogida (2003),
Characteristics of small-scale heterogeneities in the Hidaka, Japan, region estimated by coda envelope level, Bull. Seis. Soc. Am., 93, 1531-1541. (link to reprint)

Taira, T., and K. Tsumura (2001),
The identification and removal of artificial events from the JMA and Tohoku University earthquake catalogs (in Japanese), Journal of the Seismological Society of Japan, 53, 255-258.

Coauthor

Iwasaki, T., K. Adachi, T. Moriya, H. Miyamachi, T. Matsushima, K. Miyashita, T. Takeda, T. Taira, T. Yamada, and K. Ohtake (2004),
Upper and middle crustal deformation of an arc-arc collision across Hokkaido, Japan, inferred from seismic refraction/wide-angle reflection experiments, Tectonophysics, 290, 181-196.


Reports

Taira, T., and K. Yomogida (2006),
2-D heterogeneous structure in eastern Hokkaido inferred from S-wave coda amplification factors, Geophy. Bull. Hokkaido Univ., 69, 113-122.

Reports up to 2005


CONFERENCE ABSTRACTS
International Conference

Taira, T., I.S. Sacks, A.T. Linde, and D. Hidayat (2006),
Pressure oscillations in magma chamber due to replenishment during volcanic eruptions, Eos Trans. AGU, 87(36), Jt. Assem. Suppl., Abstract V41A-01.

Taira, T., P.G. Silver, F. Niu, and R.M. Nadeau (2006),
Detecting stress-induced spatiotemporal variations of scatterers, Parkfield, CA, Seismological Research Letters, 77(2), 242, SSA 2006 Meeting.

Taira, T., P.G. Silver, F. Niu, and R.M. Nadeau (2005),
A simultaneous imaging method of multiple scattering modes for detecting a fault-zone heterogeneous structure of the San Andreas Fault, Parkfield, California, Eos Trans. AGU, 86(52), Fall Meet. Suppl., Abstract T21A-0445.

Taira, T., A.T. Linde, I.S. Sacks, E. Shalev, P.E. Malin, J.M. Nielsen, B. Voight, D. Hidayat, and G.S. Mattioli (2005),
Locations of long-period seismic events beneath the Soufriere Hills Volcano, Montserrat, W.I., inferred from a waveform semblance method, Eos Trans. AGU, 86(18), Jt. Assem. Suppl., Abstract V23A-10..

Taira, T., P.G. Silver, F. Niu, and R.M. Nadeau (2005),
Multimode imaging of seismic coda waves for detecting the fault-zone heterogeneous structure of the San Andreas Fault at Parkfield, CA, Seismological Research Letters, 76(2), 216, SSA Annual Meeting.

Taira, T., P.G. Silver, F. Niu, and R.M. Nadeau (2005),
Detection of a fault-zone heterogeneous structure of the San Andreas Fault, CA, using a multimode imaging of seismic coda waves, EarthScope National Meeting.

Taira, T., P.G. Silver, F. Niu, and R.M. Nadeau (2004),
Scattered wavefield within the San Andreas Fault system, California, Eos Trans. AGU, 85(47), Fall Meet. Suppl., Abstract T13A-1340.

Taira, T., K. Yomogida, Y. Kuwahara, K. Imanishi, and H. Ito (2004),
Small-scale heterogeneities around the Nagamachi-Rifu fault in Northeast Japan estimated by a new imaging method using dense three-component seismic array, The Second International Symposium on Slip and Flow Processes in and below the Seismogenic Region.

Taira, T., K. Yomogida, Y. Kuwahara, K. Imanishi, and H. Ito (2003),
Imaging of 3-D small-scale heterogeneities around the Nagamachi-Rifu fault in Northeast Japan using F-K and polarization analyses, Eos Trans. AGU, 84(46), Fall Meet. Suppl., Abstract S11E-0348.

Taira, T., K. Yomogida, S. Onizawa, and H. Oshima (2003),
Attenuation structure around Mt. Usu volcano, Japan, by a dense seismic observation, 23rd IUGG General Assembly.

Taira, T., and K. Yomogida (2003),
F-K and polarization analysis of scattered waves based on an AR model by a dense three-component seismic array, 23rd IUGG General Assembly.

Taira, T., and K. Yomogida (2001),
Imaging of the three-dimensional of small-scale heterogeneities in the Hidaka, Japan, region using coda amplitude, Eos Trans. AGU, 82(47), Fall Meet. Suppl., Abstract T22C-0952.

Coauthor

Moriya, T., K. Ohtsuka, T. Taira, T. Iwasaki, T. Takeda, T. Yamada, K. Ohtake, K. Gouke, K. Matsushima, and H. Miyamachi (2000),
Seismic refraction/wide-angle reflection profiling across arc-arc collision zone, central Hokkaido, Japan, WPGM Meeting.


Japanese Domestic Conference
Abstracts up to 2004

Last updated: 2/28/07





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