The Japan Society of Seismic Isolation. |

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Photo by OILES CORPORATION

Photo by Bridgestone Corporation

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THK Building, Seismic isolation layer

Photo by NIPPON STEEL ENGINEERING CO., LTD.

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Photo by SWCC Corporation

Photo by Starts Construction and Asset Management Co., Ltd.

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Photo by SENQCIA CORPORATION

Photo by NIPPON STEEL ENGINEERING CO., LTD.

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Photo by Kawakin Core-Tech Co., Ltd.

Photo by PILLAR Corporation

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What's New

12/06/2026: NEW! JSSI Award, The 27th Prizes 2026 are shown in "Award".

12/06/2026: NEW! Recent trends of SI & VC buildings until the end of 2024 are shown in "Technical Information", "Learn more".

08/04/2026: "Data collection for seismically isolated buildings based on data format by JSSI" is shown in "Technical Information", "Learn more".

30/03/2026: "Vibration Control Buildings in Japan" are shown in "Learn more".

06/03/2026: Three VC buildings are shown in "Various types of SI & VC Application Examples", "What's SI/VC?"

03/11/2025: Seismically isolated structures that functioned well during disasters are shown in "Articles about Seismic Isolation", "Learn more".

25/09/2025: Obituary, JSSI expresses deepest condolences to the passing of Professor emeritus James M. Kelly, a pioneer in seismic isolation.(Notification by Dr. Ian Aiken, Chairman of ASSISi, September 24, 2025)