Welcome To My Home Page: Tatsuhiko Hara

Self introduction

Research field: Seismology
Position: Chief Research Scientist
e-mail: thara@kenken.go.jp
Education: Ph.D. in Science, University of Tokyo
Research Subject: Determination of earthquake source parameters

Analyses of recent large and/or disastrous earthquakes

     - Determination of earthquake magnitudes using duration of high-frequency energy radiation and maximum displacement amplitudes

·         November 12, 2017 32km S of Halabjah, Iraq earthquake

·         April 16, 2016 27km SSE of Muisne, Ecuador earthquake

Publications (since 2005)

  • Okamoto, T., Takenaka, H., Nakamura, T., and Hara, T., 2017. FDM simulation of earthquakes off western Kyushu, Japan, using a land-ocean unified 3D structure model, Earth Planets Space, 69:88, doi: 10.1186/s40623-017-0672-9.
  • Hara, T. and Nishimura, N., 2011. Numerical experiments to investigate the accuracy of broad-band moment magnitude, Mwp, Geophys. J. Int., doi: 10.1111/j.1365-246X.2011.05211.x.
  • Hara, T., 2011. Magnitude determination using duration of high frequency energy radiation and displacement amplitude: application to the 2011 offthe Pacific coast of Tohoku Earthquake, Earth Planets Space, 63, 525-528, doi:10.5047/eps.2011.05.014.
  • Hara, T., 2008. Temporal characteristics of high band-pass filtered teleseismic P-waveforms from large shallow earthquakes, Earth Planets Space, 60, 781-784.
  • Hara, T., 2007. Measurement of duration of high-frequency energy radiation and its application to determination of magnitudes of large shallow earthquakes, Earth Planets Space, 59, 227-231.
  • Hara, T., 2007. Magnitude determination using duration of high frequency energy radiation and displacement amplitude: application to tsunami earthquakes, Earth Planets Space, 59, 561-565. [Errata: 2009, 61, 803-804]
  • Œ΄@’C•F, 2005. ’n‹…‚Μ’nkŠw“I\‘’, ’nŠwŽGŽ, 114, 323-337.
  • Hara, T., 2005. Change of the source mechanism of the main shock of the 2004 off the Kii peninsula earthquakes inferred from long period body wave data, Earth Planets Space, 57, 179-183.

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Subjects of lectures:

    Annual course (Seismology and Tsunami)

  • Local Earthquake Analysis I (with Dr. Shibazaki)
  • Data Processing (with Dr. Hayashida)
  • Focal mechanism  
  • Teleseismic Phases and Magnitude  
  • Determination of Broadband Moment Magnitude

    Global Seismological Observation course 

  • Data Processing (with Dr. Shibazaki)
  • Source Mechanism (with Dr. Yagi)

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Individual studies that I supervised (Title, Participant, Training period):

  • Focal Mechanism Determination of Local Earthquakes in Ecuador using Polarity Data, Edwin Viracucha (from Ecuador), 2016-2017.
  • Investigation of Attenuation Relations of Strong Ground Motions in Papua New Guinea, Felix Balthasar Taranu (from Papua New Guinea), 2015-2016.
  • Focal Mechanism Determination of Local Earthquake in Myanmar, Kyaw Zayar Naing (from Myanmar), 2015-2016.
  • Determination of Local Magnitude Scale for the Philippines, Johnlery Pino Deximo (from Philippines), 2014-2015.
  • Focal Mechanisms of Earthquakes in the Emeelt Swarm and around Ulaanbaatar City, Ganzorig Davaasuren (from Mongolia), 2014-2015.
  • Determination of Local Magnitude Scale ML for Venezuela, Vasquez Stanescu Raquel Noemi (from Venezuela), 2013-2014.
  • Application of B-ƒ’ and Pd Methods to Broadband Data in Armenia, Ara Ghonyan (from Armenia), 2013-2014.
  • Determination of Local Magnitude Scale for Uganda, Nyago Joseph (from Uganda), 2012-2013.
  • An Investigation of Regional Dependence of the Slope of the Initial Part of P-wave Envelope, Lian Chao (from China), 2012-2013.
  • Receiver Function Analysis for Crustal Velocity Structure beneath Salt Range, Pakistan, Shahid Mahmood (from Pakistan), 2011-2012.
  • Local Magnitude Scale for Mongolia and Determination of Mwp and MS (BB), Dashdondog Mungunsuren (from Mongolia), 2011-2012.
  • Rayleigh Wave Phase Velocities obtained using Data from the Malaysian National Seismic Network, Atifah binti Mohd Alwi (from Malaysia), 2010-2011.
  • Focal Mechanism Determination of Local Earthquakes in Malay Peninsula, Siti Norbaizura binti Mat Said (from Malaysia), 2010-2011.
  • Focal Mechanism Determination using Waveform Data from a Broadband Station in the Philippines, Vilma C. Hernandez (from Philippines), 2010-2011.
  • Magnitude Determination using Acceleration Records from the Indonesian Strong Motion Network, Wijayanto (from Indonesia), 2009-2010.
  • Determination of Crustal Structure beneath a Broadband Station in Malaysia using Receiver Function Analysis, Zahratul Ain Din (from Malaysia), 2009-2010.
  • Earthquake Source Parameters for Subduction Zone Events Causing Tsunamis in and around the Philippines, Joan Cruz Salcedo (from Philippines), 2009-2010.
  • Estimation of High Frequency Energy Radiation (HFER) of the 2003 Tokachi-oki@Earthquake using Empirical Greenfs Functions, Wang Dun (from China), 2008-2009.
  • Receiver Function Analysis for Crustal Structure beneath Pakistan, Riaz Ahmed Soomro (from Pakistan), 2008-2009.
  • Travel Time Residuals from the New and Old Seismic Networks of Pakistan and Preliminary Hypocenter Determination, Nasir Mahmood (from Pakistan), 2007-2008.
  • Moment Tensor and hypocenter Determination using Waveform Data from the New Bangladesh Seismic Network, Sayeed Ahmed Choudhury (from Bangladesh), 2007-2008.
  • Determination of Earthquake Parameters using Single Station Broadband Data in Sri Lanka, S. W. M. Seneviratne (from Sri Lanka), 2007-2008 (as a co-supervisor with Dr. Yasuhiro Yoshida).
  • Evaluation of Current Status of the University Seismic Network in Sri Lanka and Proposal of its Upgrade, Thaldena Sanjeevani Nilmini Bandara (from Sri Lanka), 2006-2007.
  • Application of Time-domain Moment Tensor Inversion to Waveform data from the New Saudi Arabia Broadband Seismic Network, Majed Matar Al-Mutairi (from Saudi Arabia), 2006-2007.
  • Receiver Function Analysis for Crust Structure beneath Mongolia, Adiya Munkhsaikhan (from Mongolia), 2005-2006.
  • Relocation of the September 8 2002, Wewak Earthquake and its aftershocks and determination of Mwp for some earthquakes in and around Papua New Guinea, Mathew Moihoi (from Papua New Guinea), 2004-2005.
  • Determination of broadband moment magnitude for earthquakes in and around Philippines and preparation for its application to the newly installed broadband seismic network in the Philillines, Joan C. Salcedo (from Philillines), 2003-2004.
  • Determination of broadband moment magnitude (Mwp) of earthquakes in and around Pakistan and installation practice of required software, Ameer Hyder (from Pakistan), 2003-2004.
  • Moment tensor inversion for the June 29, 2001 earthquake in the western arm of the east African rift valley, Geraldine Paula Babirye (from Uganda), 2002-2003.
  • Seismological data analysis using El Salvador seismic network data, Calderon Oscar (from El Salvador), 2002-2003.
  • Preliminary Determination of Seismic Velocity Structure for Uganda, Isaiah Tumwikirize (from Uganda), 2001-2002.
  • Determination of magnitudes using Short-Period P-Wave Amplitude Data from Nepalese Seismic Network, Bharat Prasad Koirala (from Nepal), 2000-2001.
  • The Focal Mechanism of Micro-Earthquake near the Yangsan-Faults in Korea, Kim, Hoan-Seung (from Korea), 1999-2000.
  • Estimation of Earthquake Source Parameters from Waveform Data by Centroid Moment Tensor Inversion, Panuganti Solomon Raju (from India), 1997-1998.

Last Update: December 18, 2017