Date
|
Name
|
Location
|
Perpetrator
|
Deaths
|
Notes
|
30 June 1966
|
Hakamada Incident
|
Shimizu, Shizuoka
|
Iwao Hakamada
|
4
|
False verdict suspected
|
30 August 1974
|
Mitsubishi bombing
|
Tokyo
|
East Asia Anti-Japan Armed Front
|
8
|
Powerful bomb explodes at the Mitsubishi Heavy Industries headquarters in Marunouchi. Eight killed, 378 injured. Eight left-wing activists are arrested May 19, 1975, by Japanese authorities.
|
6 November 1975
|
1975 Aki shooting
|
Aki, Kōchi Prefecture
|
Ikuya Hatakeyama
|
6
|
31-year-old Ikuya Hatakeyama shoots eight of his neighbours with a 12-gauge shotgun, killing six and critically injuring two
|
26 - 28 January 1979
|
Mitsubishi Bank hostage incident
|
Mitsubishi Bank, Sumiyoshi-ku, Osaka
|
Akiyoshi Umekawa
|
5 (including the perpetrator)
|
Akiyoshi Umekawa shot dead four people in a Mitsubishi Bank
|
31 January 1980
|
Nigishima murders
|
Nigishima, Kumano, Mie Prefecture
|
Kazumichi Ikeda
|
8 (including the perpetrator)
|
Farmer Kazumichi Ikeda kills seven members of his family and injures 3 with an ax and a shotgun before killing himself[15][16][17]
|
19 August 1980
|
Shinjuku bus attack
|
Shinjuku, Tokyo
|
Maruyama Hirobumi
|
6
|
A mentally disturbed man Maruyama Hirobumi throws a bucket of petrol and a lit newspaper into a bus. The ensuing fire killed 6 and injured 14.[18][19]
|
9 February 1982
|
Japan Air Lines Flight 350
|
Haneda Airport, Tokyo
|
Seiji Katagiri
|
24
|
Flight 350 was on approach to Haneda Airport when the pilot Seiji Katagiri deliberately nose-dived the plane to crash it. The pilot was then subdued by other flight crews, yet the plane remained descending. It then crashed into Tokyo Bay. The pilot who deliberately nose-dived the plane was suffering from mental illness before the incident
|
9 August 1989
|
Taneichi murders
|
Taneich, Iwate
|
Hidetake Kakuchiyama[20]
|
5
|
Hidetake Kakuchiyama, a former fishing crew member, murders his wife and 4 children over a divorce dispute in Taneich, Iwate[21]
|
27–28 June 1994
|
Matsumoto incident
|
Matsumoto
|
Aum Shinrikyo
|
8
|
Members of the Aum Shinrikyo doomsday cult released sarin gas near the homes of several judges who presiding over legal cases involving the cult. 500+ injured[22]
|
20 March 1995
|
Tokyo subway sarin attack
|
Tokyo
|
Aum Shinrikyo
|
13
|
6,252 injured
|
25 July 1998
|
Wakayama arsenic poison case
|
Sonobe district of Wakayama, Wakayama
|
Masumi Hayashi
|
4
|
Four people are killed and 63 injured after eating curry laced with arsenic at a community festival in Wakayama. Masumi Hayashi, the chief suspect, has been sentenced to death and is currently appealing.[23]
|
8 September 1999
|
Ikebukuro massacre
|
Tokyo
|
Hiroshi Zota
|
2
|
6 injured[24][25][26]
|
29 September 1999
|
Shimonoseki Station massacre
|
Shimonoseki
|
Yasuaki Uwabe
|
5
|
Yasuaki Uwabe, a former architect, drove a rented car into Shimonoseki Station and hit at least 7 people, two of whom died before the car got stuck. He then proceeded to stab pedestrians at random with a kitchen knife, injuring 4 and killing a further 3. Uwabe was eventually apprehended by a station worker and was arrested shortly after. Uwabe was executed in 2012.
|
30 December 2000
|
Setagaya family murder
|
Setagaya
|
Unknown
|
4
|
A Family of four are murdered at their home in suburban Tokyo by an unknown intruder, the case remains unsolved.
|
8 May 2001
|
Takefuji Hirosaki branch arson murder case
|
Hirosaki, Aomori prefecture
|
Mitsuhiro Kobayashi[27]
|
5
|
A Former taxi driver Mitsuhiro Kobayash kills 5 employees and hurts 4 during a robbery followed by arson at a Takefuji Corp branch in Hirosaki.[28][29]
|
8 June 2001
|
Ikeda school massacre
|
Ikeda
|
Mamoru Takuma
|
8
|
37-year-old former janitor Mamoru Takuma entered an elementary school in Osaka, then used a kitchen knife to kill 8 students. He wounded an additional 13 other students and 2 teachers
|
1 September 2001
|
Myojo 56 building fire
|
Shinjuku
|
Unknown
|
44
|
Perpetrator never caught.
|
20 June 2003
|
Fukuoka family murder case
|
Higashi-ku, Fukuoka
|
Wei Wei, Yang Ning and Wang Liang
|
4
|
Businessman Shinjiro Matsumoto, his wife Chika and two children aged 11 and 8 are murdered in a robbery by three Chinese students who broke into their home and dumped their bodies in Hakata Bay. Two of the three - Yang Ning and Wang Liang – fled to China where they were arrested. Yang was executed and Wang sentenced to life imprisonment. The third, Wei Wei, was arrested in Japan and was held on death row until finally executed in December 2019.
|
18 - 20 September 2004
|
Ōmuta murders
|
Omuta, Fukuoka
|
Kitamura-gumi
|
4
|
Mob wife Mami Kitamura murders four people with her husband and two sons.
|
19 - 23 March 2008
|
Tsuchiura massacre
|
Tsuchiura, Ibaraki
|
Masahiro Kanagawa
|
2
|
7 injured[30][31]
|
8 June 2008
|
Akihabara massacre
|
Chiyoda
|
Tomohiro Katō
|
7
|
10 injured
|
1 October 2008
|
Osaka movie theater fire[32][33]
|
Osaka
|
Kazuhiro Ogawa[34]
|
16
|
|
12 January 2010
|
2010 Habikino shooting
|
Iichan bar, Habikino, Osaka Prefecture
|
Yasuhisa Sugiura
|
4 (including the perpetrator)
|
|
14 March 2013
|
Etajima stabbings
|
Etajima, Hiroshima
|
Chen Shuangxi
|
2
|
6 Wounded
|
21 – 22 July 2013
|
Yamaguchi arson and murders
|
Mitake
|
Kosei Homi
|
5
|
|
9 March 2015
|
Sumoto stabbings
|
Sumoto, Awaji Island, Hyōgo Prefecture
|
Tatsuhiko Hirano
|
5
|
Tatsuhiko Hirano stabs five neighbors with a knife in two separate homes in Sumoto, Awaji Island[35][36][37]
|
17 May 2015
|
Kawasaki building fire
|
Kawasaki, Kanagawa Prefecture
|
Unknown
|
11
|
11 people died and 17 were seriously injured in an arson attack on 2 buildings[38]
|
26 July 2016
|
Sagamihara stabbings
|
Sagamihara
|
Satoshi Uematsu
|
19
|
26 injured
|
5 - 6 June 2017
|
Ogori murders
|
Ogori, Fukuoka
|
Mitsuru Nakata
|
3
|
A Former police officer Mitsuru Nakata kills his wife and two children[39]
|
6 October 2017
|
Komatsu family murder
|
Hitachi, Ibaraki
|
Hirobumi Komatsu
|
6
|
Hirobumi Komatsu killed his wife and five children by stabbing, he then set the bodies on fire.[40]
|
31 March - 1 April 2018
|
Hioki murders
|
Hioki, Kagoshima Prefecture, Kyushu
|
Tomohiro Iwakura
|
5
|
Tomohiro Iwakura Kills Four Members of His Family and a Neighbor by Strangulation[41][42]
|
25 - 26 November 2018
|
Takachiho Murders
|
Takachiho, Nishiusuki District, Miyazaki Prefecture
|
Masahiro lihoshi[43][44]
|
7 (including the perpetrator)
|
Masahiro lihoshi stabs his family and friend to death before committing suicide by jumping from a bridge[45][46]
|
28 May 2019
|
Kawasaki stabbings
|
Tama ward of Kawasaki City, Kanagawa Prefecture
|
Ryuichi Iwasaki
|
3 (including the perpetrator)
|
18 injured
|
18 July 2019
|
Kyoto Animation arson attack
|
Kyoto
|
Shinji Aoba
|
36
|
33 injured[47]
|
17 December 2021
|
Osaka building fire
|
Osaka
|
Morio Tanimoto (suspect)
|
27 (including the perpetrator)
|
27 people are killed and 1 are injured during an arson attack at a medical clinic in Osaka
|
25 May 2023
|
Nagano Attack
|
Nagano
|
Masanori Aoki
|
4
|
Attacker stabbed 2 women dead, then shot 2 responding police officers.[48]
|