The numerical data on the rupture areas of past large earthquake and related data around Tohoku, Japan.
Please cite the reference papers correctly when you use these data.
-> Repeating earthquakes etc. are here / Plate models etc. are here.


* The distribution of asperities in NE Japan

Repeater

The slip contour lines of each earthquake aspsave.tar.gz [202 KB]

(There are related data at NGY seismological note）

References:

Yamanaka, Y., and Kikuchi, M., Asperity map along the subduction zone in northeastern Japan inferred from regional seismic data, J. Geophys. Res., 109, B07307, doi:10.1029/2003JB002683, 2004.

Murotani,T.,Kikuchi,M.,Yamanaka,Y.,Rupture processesof large Fukushima-oki earthquakesin 1938., Abstract 2003 Japan Geoscience Union Meeting, S052-003, 2003.

Nagai, R., M. Kikuchi, and Y. Yamanaka, Comparative study on the source processes of recurrent large earthquakes in Sanriku-oki Region: The 1968 Tokachi-oki earthquake and the 1994 Sanriku-oki earthquake, Zisin(2), 54, 267-280, 2001.

Yamanaka, Y., Kikuchi, M., Source process of the recurrent Tokachi-oki earthquake on September 26, 2003, inferred from teleseismic body waves. Earth, Planets and Space 55, e21-e24, 2003.

Earthquake Reserch Center, University of Tokyo, Tokachi-oki earthquake (Mj8.0) on September 26, EIC seismological note No.139, 2003.

Earthquake Reserch Center, University of Tokyo, Off-Kushiro earthquake (Ms6.9) on December 6, EIC seismological note No.159, 2004.

Earthquake Reserch Center, University of Tokyo, Miyagi-oki earthquake (Mj7.2) on August 16, EIC seismological note No.168, 2005.


* Aftershock areas of past large earthquakes

Yoshiniki

Compiled data for interplate earthquakes offshore Tohoku (1926-2008) afs-inter-all.txt [18 KB]

The data for each earthquake (including non-interplate earthquakes) (1926-2008) afs-areas.tar.gz [8 KB]


References:
[1926-1983] Hasegawa, A., Umino, N., Takagi, A., 1985. Seismicity in the Northeastern Japan arc and seismicity pattern before large earthquakes. Earthq. Predict. Res. 3, 607-626.

[1984-2008] Uchida, N., J. Nakajima, A. Hasegawa, and T. Matsuzawa, What controls interplate coupling?: Evidence for abrupt change in coupling across a border between two overlying plates in the NE Japan subduction zone, Earth Planet. Sci. Lett., 283, 111-121, 2009.


* Tunami generation areas in the offshore Tohoku and Hokkaido

Hageniki

The data for each earthquake (1893-2011) 20hatori.tar.gz [120 KB]


References:
Hatori(1970), Hatori(1972), Hatori(1973), Hatori(1974), Hatori(1975a), Hatori(1975b), Hatori(1976), Hatori(1978), Hatori(1989), Hatori(1996), Hatori(2012), Hatori(2014) .


References:

  • Hatori,Tokutaro (1970), An Investigation of the Tsunami generated by the East Hokkaido Earthquake of August, 1969, Bulletin of the Earthquake Research Institute, University of Tokyo, 48(3), 399-412, 1970.

  • Tokutaro Hatori (1972), The Tsunamis generated off Cape Erimo on August 2, 1971 and off Hachijo Island on February 29, 1972: Tsunami Source and Distribution of the Initial Motion of Tsunami,Zisin 2, 25(4), 362-370, doi:10.4294/zisin1948.25.4_362.

  • Tokutaro Hatori (1973),Reexamination of the Wave Source of the 1952 Tokachi-oki Tsunami, Ziein 2, 26(2), 206-208, doi:10.4294/zisin1948.26.2_206.

  • Tokutaro Hatori (1974), Tsunami sources on the Pacific side in northeast Japan, Zisin 2 , 27(4), 321-337, doi:10.4294/zisin1948.27.4_321.

  • Tokutaro Hatori (1975a), Sources of Tsunamis generated off Boso Peninsula, Bulletin of the Earthquake Research Institute, University of Tokyo, 50(1), 83-91.

  • Tokutaro Hatori (1975b), Tsunami Activity in Eastern Hokkaido after the Off Nemuro Peninsula Earthquake in 1973, Zisin 2, 28(4), 461-471, doi:10.4294/zisin1948.28.4_461.

  • Tokutaro Hatori (1976), Source Mechanisms of Tsunamis Associated with the Fukushima-oki Earthquake Swarm in 1938, Zisin 2, 29(2), 179-190, doi:10.4294/zisin1948.29.2_179.

  • Tokutaro Hatori (1978), The Tsunami Generated off Miyagi Prefecture in 1978 and Tsunami Activity in the Region, Bulletin of the Earthquake Research Institute, 53(4),1177-1189.

  • Tokutaro Hatori (1989), Characteristic of Tsunamis Associated with Aftershock and Swarm near Japan,Zisin 2, 42, 183-188.

  • Tokutaro Hatori (1996), The 1994 Sanriku-Oki Tsunami and Distribution of the Radiating Tsunami Energy in the Sanriku Region, Zisin 2, 49(1), 19-26, doi:10.4294/zisin1948.49.1_19.

  • Tokutaro Hatori (2012), The size of the Tsunami of the 2011 Tohoku-oki earthquake, Report of Tsunami Engineering, 29, 1-6.

  • Tokutaro Hatori (2014), Off-Sanriku Tsunami before and after the 2011 Tohoku-oki earthquske, Report of Tsunami Engineering, 31, 325-328.


    • * Interplate coupling offshore Tojoku

    Yoshiniki

    Grid file for GMT (netCDF format) Suwa06JGR_Fig6.grd [38 KB](Courtesy of Yoko Suwa)


    Reference: Suwa, Y., Miura, S., Hasegawa, A., Sato, T., and Tachibana, K., Interplate coupling beneath NE Japan inferred from three‐dimensional displacement field, J. Geophys. Res., 111, B04402, doi:10.1029/2004JB003203, 2006.


    * Coseismic slip distribution of the 2011 Tohoku-oki earthquake

    Repeater

    Grid file for GMT (netCDF format) 2011coseism-slip-iinuma.grd [496 KB](Courtesy of Takeshi Iinuma)


    Reference: Iinuma, T., R. Hino, M. Kido, D. Inazu, Y. Osada, Y. Ito, M. Ohzono, H. Tsushima, S. Suzuki, H. Fujimoto, S. Miura, Coseismic slip distribution of the 2011 off the Pacific Coast of Tohoku Earthquake (M9.0) refined by means of seafloor geodetic data, J. Geophys. Res., 117, B07409, doi:10.1029/2012JB009186, 2012.