Akiko TAKEO
Assistant Professor
Center for Geophysical Observation and Instrumentation
Earthquake Research Institute
the UNIVERSITY of TOKYO
E-mail: akiko-t (at) eri.u-tokyo.ac.jp
Research Interests -- Seismology (Geoscience)
Source process of slow earthquakes in subduction zones
Long-period seismograms related to volcanic eruptions
Seismic velocity structure in oceanic plate and asthenosphere
Seismic anisotropy in the crust and uppermost mantle
Microseisms, Noise correlation method, Surface waves, etc.
Academic Background
Assistant Professor: Earthquake Research Institute, the University of Tokyo (2015-)
Postdoc Researcher: Department of Natural History Sciences, Hokkaido University (2014-2015)
JSPS Research Fellow (26-847, 2014-2015)
Short visit: Department of Earth and Space Sciences, University of Washington (Sep - Oct, 2014)
Ph.D. degree: Department of Earth and Planetary Science, the University of Tokyo (2014)
JSPS Research Fellow (23-8157, 2011-2014)
Short visit: Department of Geological Sciences, Brown University (June - July, 2012)
M.Sc. degree: Department of Earth and Planetary Science, the University of Tokyo (2011)
Publications
Takeo, A., K. Idehara, R. Iritani, T. Tonegawa, Y. Nagaoka, K. Nishida, H. Kawakatsu, S. Tanaka, K.
Miyakawa, T. Iidaka, M. Obayashi, H. Tsuruoka, K. Shiomi, and K. Obara (2010), "Very broadband
analysis of a swarm of very low frequency earthquakes and tremors beneath Kii Peninsula, SW Japan",
Geophys. Res. Lett., 37, L06311, doi:10.1029/2010GL042586.
URL
Takeo, A., K. Nishida, T. Isse, H. Kawakatsu, H. Shiobara, H. Sugioka, and T. Kanazawa (2013), "Radially anisotropic
structure beneath the Shikoku Basin from broadband surface wave analysis of ocean bottom seismometer
records", J. Geophy. Res., JB010067, 118, 2878-2892, doi:10.1002/jgrb.50219.
URL
Takeo, A., D. W. Forsyth, D. S. Weeraratne, and K. Nishida (2014), "Estimation of azimuthal anisotropy in the NW Pacific from seismic ambient noise in seafloor records",
Geophys. J. Inter., 199, 11-22, doi:10.1093/gji/ggu240.
URL
(Online Collection by Hokkaido University)
Isse, T., A. Takeo, and H. Shiobara (2014),
"Time correction and clock stability of ocean bottom seismometer using recorded seismograms",
JAMSTEC-R, 19, 19-28, doi:10.5918/jamstecr.19.19.
URL
Nakashima Y., K. Heki, A. Takeo, M. N. Cahyadi, A. Aditiya, and K. Yoshizawa (2016), "Atmospheric Resonant Oscillations by the 2014 Eruption of the Kelud Volcano, Indonesia, Observed with the Ionospheric Total Electron Contents and Seismic Signals", Earth Planet. Sci. Lett. , 434, 112-116, doi:10.1016/j.epsl.2015.11.029.
URL
Takeo, A., H. Kawakatsu, T. Isse, K. Nishida, H. Sugioka, A. Ito, H. Shiobara, and D. Suetsugu (2016),
"Seismic azimuthal anisotropy in the oceanic lithosphere and asthenosphere from broadband surface-wave analysis of OBS array records at 60 Ma seafloor", J. Geophy. Res., 121, 3, 1927-1947, doi:10.1002/2015JB012429.
URL
Baba, S., A. Takeo, K. Obara, A. Kato, T. Maeda, and T. Matsuzawa (2018), "Temporal activity modulation of deep very low frequency earthquakes in Shikoku, Southwest Japan", J. Geophy. Res., 45, 733-738, doi:10.1002/2017GL076122.
URL
Kurihara, R., K. Obara, A. Takeo, and T. Maeda (2018), "Migration of deep low-frequency tremor triggered by teleseismic earthquakes in the southwest Japan subduction zone", J. Geophy. Res., doi:10.1002/2017GL076779.
URL
