Welcome To My Home
Page: Tatsuhiko Hara
Research field: Seismology
Position: Chief Research Scientist
Education: Ph.D. in Science, University of Tokyo
Research Subject: Determination of earthquake source parameters
Analyses of recent large and/or
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,
- 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]
ΜnkwI\’, nwG, 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.
Subjects of lectures:
Annual course (Seismology and
- Local Earthquake Analysis I (with Dr.
Processing (with Dr. Hayashida)
- Focal mechanism
- Teleseismic Phases and Magnitude
of Broadband Moment Magnitude
Global Seismological Observation course
Processing (with Dr. Shibazaki)
- Source Mechanism
(with Dr. Yagi)
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-’ 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 Greenfs Functions, Wang Dun (from China), 2008-2009.
- Receiver Function Analysis for Crustal Structure beneath Pakistan, Riaz
Ahmed Soomro (from Pakistan), 2008-2009.
Time Residuals from the New and Old Seismic Networks of Pakistan and Preliminary Hypocenter Determination, Nasir
Mahmood (from Pakistan), 2007-2008.
Tensor and hypocenter Determination using Waveform Data from the New
Bangladesh Seismic Network, Sayeed Ahmed Choudhury (from Bangladesh), 2007-2008.
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).
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.
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.
Function Analysis for Crust Structure beneath Mongolia, Adiya Munkhsaikhan
(from Mongolia), 2005-2006.
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.
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),
of broadband moment magnitude (Mwp) of
earthquakes in and around Pakistan and installation practice of required software, Ameer Hyder (from Pakistan), 2003-2004.
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),
- 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