2024/3/25：55 records of JpGU-AGU Joint Meeting 2017, 65 records of Japan Geoscience Union Meeting 2018-2019 and 84 records of 2023 Annual Meeting of Atomic Energy Society of Japan are added.
2023/12/5 : 1477 records of TEPCO, 126 records of 2022 Annual Meeting of Atomic Energy Society of Japan are added.
2023/11/6 : 21 records of METI, 60 records of Ministry of Health, Labour and Welfare (MHLW) are added.
2023/10/10：42 records of METI, 18 records of 22nd Workshop on Environmental Radioactivity and 18 records of 23rd Workshop on Environmental Radioactivity are added.
2023/8/1：94 records of Ministry of Health, Labour and Welfare (MHLW) are added.
2023/6/1：672 records of Nuclear Regulation Authority, 357 records of Japan Health Physics Society and 968 records of Fukushima Prefecture are added.
2023/5/1：15 records of TEPCO and 1508 records of Japan Health Physics Society are added.
2023/3/31：97 records of 2022 Annual Meeting of Atomic Energy Society of Japan and 33 records of 54th Annual Meeting of Japan Health Physics Society are added.
2023/02/03: 19 records of 59th Annual Meeting on Radioisotope and Radiation Researches and 58 records of The 11th Workshop of Remediation of Radioactive Contamination in Environment are added.
2022/10/4: 1 record of Atomic Energy Society of Japan is added.
2022/9/6: 4 records of IRID, 57 records of METI, 52 records of TEPCO and 155 records of 2021 Fall Meeting of Atomic Energy Society of Japan are added.
2022/7/1: 13 records of IRID and 114 records of 2021 Annual Meeting of Atomic Energy Society of Japan are added.
2022/6/3: 102 records of TEPCO are added.
2022/5/2: 40 records of 20th Workshop on Environmental Radioactivity and 29 records of 21st Workshop on Environmental Radioactivity are added.
2022/4/5: Search system interface has been renewed.
2022/3/1: 24 records of 58th Annual Meeting on Radioisotope and Radiation Research and 53 records of The 10th Workshop of Remediation of Radioactive Contamination in Environment are added.
2022/1/31: 9 records of TEPCO and 122 records of Japan Geoscience Union Meeting 2014-2016 are added.
2021/1/6: 6 records of METI are added.
2021/12/2: 31 records of Japan Geoscience Union Meeting 2012 and 46 records of Japan Geoscience Union Meeting 2013 are added.
2021/11/1: 10 records of Atomic Energy Society of Japan are added.
2021/9/30: 284 records of Ministry of Health, Labour and Welfare (MHLW), 1 record of Nuclear Safety Commission are added.
2021/9/1: 3 records of NDF, 21 records of TEPCO, 2 records of JAEA, 1 record of Fukushima Prefecture, 57 records of Ministry of Health, Labour and Welfare (MHLW), 162 records of 2020 Fall Annual Meeting of Atomic Energy Society of Japan, and 24 records of 53th Annual Meeting of Japan Health Physics Society are added.
2021/8/5: 49 records of IRID, 8 records of JAEA, 4 records of Japan Atomic Energy Commission(JAEC), 9 records of Ministry of Agriculture, Forestry and Fisheries(MAFF), 56 records of Ministry of Health, Labour and Welfare (MHLW), 10 records of Ministry of the Environment, 39 records of Nuclear Safety Commission, 24 records of Reconstruction Agency, 242 records of TEPCO are added.
2021/7/1：124 records of TEPCO, 107 records of METI and 32 records of Fukushima Pref. are added.
2021/3/25: Search system interface has been renewed.
2021/2/1：74 records of 9th Workshop of Remediation of Radioactive Contamination in Environment are added.
2020/11/2：11 records of Nuclear and Industrial Safety Agency are added.
2020/8/4：43 records of IRID, and 67 records of 52th Annual Meeting of Japan Health Physics Society are added.
2020/7/1：88 records of JAEA, 145 records of TEPCO, 5 records of METI and 10 records of IRID are added.
2020/6/1：441 records of Ministry of the Environment, 74 records of METI, and 48 recored of Japan Atomic Energy Commission are added
2020/5/8: 413 records of Ministry of the Environment, 17records of Science Council of Japan, and 23 records of Nuclear and Industrial Safety Agency are added.
2020/3/27: Search system interface has been renewed.
2020/3/12：6 records of Ministry of the Environment, and 93 records of Science Council of Japan are added.
2020/2/10：37 records of 51th Annual Meeting of Japan Health Physics Society, 159 records of 2019 Annual Meeting of Atomic Energy Society of Japan, 152 records of 2019 Fall Meeting of Atomic Energy Society of Japan, 61 records of 18th Workshop on Environmental Radioactivity, and 58 records of 19th Workshop on Environmental Radioactivity are added.
2020/1/31：40 records of 56th Annual Meeting on Radioisotopes in the physical Sciences and Industries are added.
2020/1/15：117 records of TEPCO are added.
2019/12/3：97 records of 8th Workshop of Remediation of Radioactive Contamination in Environment are added.
2019/10/11:1398 records if NRA are added.
2019/9/10：241 records of TEPCO and 3 records of NRA are added
2019/8/2：60 records of NDF are added.
2019/7/4：36 records of NRA are added.
2019/6/5：23 records of METI, 7 records of JAEA, and 64 records of TEPCO are added.
2019/3/28: Search system interface has been renewed.
2019/2/8：575 records of Annual Meeting of Atomic Energy Society of Japan, 33 records of 55th Annual Meeting on Radioisotope and Radiation Research, and 1493 records of TEPCO are added.
2018/12/27：1853 records of TEPCO are added.
2018/11/5:72 records of Nuclear Regulation Authority, 1025 records of TEPCO, 96 records of the 7th Workshop of Remediation of Radioactive Contamination in Environment are added.
2018/10/3：92 records of TEPCO are added.
2018/9/3：241 records of TEPCO are added.
2018/5/29：245 records of TEPCO, and 784 records of Prime Minister of Japan and His Cabinet are added.
2018/4/25：8 records of Ministry of the Environment, 11 records of JAEA, 42 records of Prime Minister of Japan and His Cabinet, and 70 records of 50th Annual Meeting of Japan Health Physics Society are added.
2018/2/28：358 records of 2016 Fall Annual Meeting of the Atomic Energy Society of Japan, 134 records of 2017 Annual Meeting of the Atomic Energy Society of Japan, and 39 records of 54th Annual Meeting on Radioisotopes in the physical Sciences and Industries are added.
2017/12/28：101 records of Nuclear Safety Commission, 68 records of TEPCO are added.
2017/11/30：99 records of The 6th Workshop of Remediation of Radioactive Contamination in Environment, 68 records of IRID, 437 records of TEPCO, 857 records of Ministry of the Environment, 44 records of MHLW, and 34 records of Nuclear Regulation Authority are added.
2017/10/31：15 records of Nuclear Safety Commission, 2527 records of Nuclear Regulation Authority, 76 records of Ministry of the Environment, and 40 records of METI are added.
2017/9/30：442 records of TEPCO, 68 records of JAEA, and 555 recordsof METI are added.
2017/8/31：292 records of of Ministry of Health, Labour and Welfare (MHLW), 51 records of Ministry of Agriculture, Forestry and Fisheries(MAFF), 24 records of International Research Institute for Nuclear Decommissioning(IRID) are added.
2017/8/7:"Latest information about the Fukushima Daiichi nuclear power station accident" are added.
2017/7/31:733 records of Ministry of Health, Labour and Welfare (MHLW),58 records of TEPCO are added.
2017/6/30:183 records of Annual Meeting of the Atomic Energy Society of Japan, 375 records of Ministry of Health, Labour and Welfare (MHLW), 185 records of Ministry of Agriculture, Forestry and Fisheries(MAFF), 207 records of Fisheries Agency(FA), 138 records of Nuclear Safety Commission are added.
2017/5/31:Reference information about the Fukushima Daiichi nuclear power station accident renewed.
2017/5/31：381 records of TEPCO, 347 records of Ministry of the Environment, 61 records of Nuclear Regulation Authority, 3 records of JAEA, 2 records of MEXT are added.
2017/3/31：53 records of the 49th Annual Meeting of Japan Health Physics Society are added to the Archive.
2017/03/16: Search system interface renewed.
2016/12/28:74 records of TEPCO are added to the Archive.
2016/12/5：121 records of the 5th Workshop of Remediation of Radioactive Contamination in Environment are added to the Archive.
2016/11/30：101 records of TEPCO are added to the Archive.
2016/10/28:55 records of the 53rd Annual Meeting on Radioisotopes in the physical Sciences and Industries, 227 records of TEPCO, 2 records of METI, 1 records of Nuclear Regulation Authority are added to the Archive.
2016/10/4：13 records of International Research Institute for Nuclear Decommissioning, 10 records of JAEA, 50 records of TEPCO are added to the Archive.
2016/8/30：25 records of National Institute of Radiological Sciences, 225 records of International Research Institute for Nuclear Decommissioning are added to the Archive.
2016/8/2：3 records of Nuclear Damage Compensation and Decommissioning Facilitation Corporation, 50 records of TEPCO are added to the Archive.
2016/6/30：48 records of Investigation Committee on the Accident at the Fukushima Nuclear Power Stations of Tokyo Electric Power Company ,283 records of the Nuclear Regulation Authority , and 20 records of Nuclear and Industrial Safety Agency are added to the Archive.
2016/5/30：21 records of JAEA , 97 records of the National Diet of Japan Fukushima Nuclear Accident Independent Investigation Commision (NAIIC) are added to the Archive.
2016:IAEA published "Nuclear Accident Knowledge Taxonomy".
2016.03.30：734 records on the Sampling Results of the Water in the Fukushima Daiichi Nuclear Power Station are added to the FNAA.
2016.03.16: JAEA Channel "Fukushima Nuclear Accident Archive (FNAA)"[Introduction Movie] released
2016.03.15: Full text of the Proceedings of 52nd Annual Meeting on Radioisotopes in the physical Sciences and Industries are uploaded in FNAA.
2016.03.15: Search system interface renewed.
2016.03.01: 1280 records on Analysis Results of Fukushima Daiichi Nuclear Power Station are added to the Fukushima Nuclear Accident Archive.
2016.02.16: 595 records of verbal presentation are added to the Fukushima Nuclear Accident Archive
2016.01.05: 49 records of the Internet information created by Nuclear and Industrial Safety Agency are added to the Fukushima Nuclear Accident Archive
2015.12.16: 1271 records on Radioactivity Density of the Seawater in the Port of Fukushima Daiichi Nuclear Power Station are added to the Fukushima Nuclear Accident Archive
2015.11.26: 1760 records on Radioactivity Density of the Seawater in the Port of Fukushima Daiichi Nuclear Power Station are added to the Fukushima Nuclear Accident Archive.
2015.11.13: 498 records of the Internet information created by JAEA are added to the Fukushima Nuclear Accident Archive.
2015.10.30: 68 records of the Internet information created by JAEA are added to the Fukushima Nuclear Accident Archive.
2015.10.26: 1760 records on plant parameters, etc are added to the Fukushima Nuclear Accident Archive.
2015.09.25：013 records of the Internet information created by the Nuclear Regulation Authority are added to the Fukushima Nuclear Accident Archive.
2015.09.17 : 602 records on water level, transfer and treatment of the accumulated water, etc are added to the Fukushima Nuclear Accident Archive.
2015.08.25 : 640 records on plant parameters, etc are added to the Fukushima Nuclear Accident Archive.
2015.08.19 : 455 records of the Internet information created by the Nuclear Regulation Authority are added to the Fukushima Nuclear Accident Archive.
2015.07.24 : 730 records on plant parameters, etc are added to the Fukushima Nuclear Accident Archive.
2015.07.17 : 299 records on the Workshop of Remediation of Radioactive Contamination in Environment are added to the Fukushima Nuclear Accident Archive.
2015.03.26: Search system interface renewed.
