J-RISQ Report

Estimated I_s for Major Cities

Max. Obs. I_s	Histogram of Estimated I_s 1 2 3 4 5- 5+ 6- 6+ 7	Municipality Show All Data	Daytime Population	Distance [km]
5-		Owase,Mie	19,000	54
4		Hidakagawa,Hidaka,Wakayama	8,800	43
4		Gobo,Wakayama	28,000	47
4		Kihoku,Kitamuro,Mie	16,000	68
4		Kawakami,Yoshino,Nara	1,600	42
4		Totsukawa,Yoshino,Nara	3,700	21
4		Nabari,Mie	67,000	75
4		Kumano,Mie	18,000	51
4		Tanabe,Wakayama	77,000	45
4		Kozagawa,Higashimuro,Wakayama	2,500	65
4		Tenkawa,Yoshino,Nara	1,700	28
4		Higashiyoshino,Yoshino,Nara	1,800	47
4		Shingu,Wakayama	33,000	54
4		Shirahama,Nishimuro,Wakayama	21,000	52
4		Odai,Taki,Mie	9,100	81
4		Gose,Nara	26,000	42
4		Minabe,Hidaka,Wakayama	13,000	44
4		Shimokitayama,Yoshino,Nara	1,000	34
4		Gojo,Nara	32,000	29
4		Uda,Nara	26,000	57
4		Yuasa,Arida,Wakayama	13,000	39
3		Kamikitayama,Yoshino,Nara	630	36
3		Hirogawa,Arida,Wakayama	6,500	40
3		Shijonawate,Osaka	43,000	71
3		Higashisumiyoshi,Osaka,Osaka	110,000	58
3		Sakurai,Nara	49,000	51
3		Kiho,Minamimuro,Mie	9,400	55
3		Yamazoe,Yamabe,Nara	3,600	76
3		Wazuka,Soraku,Kyoto	3,300	82
3		Koka,Shiga	89,000	109
3		Kushimoto,Higashimuro,Wakayama	17,000	71
3		Yamatotakada,Nara	54,000	48
3		Arida,Wakayama	27,000	43
3		Koryo,Kitakatsuragi,Nara	27,000	51
3		Mitsue,Uda,Nara	1,600	67
3		Taiji,Higashimuro,Wakayama	2,700	64
3		Sennan,Osaka	58,000	42
3		Susami,Nishimuro,Wakayama	4,200	61
3		Kita,Osaka,Osaka	510,000	68
3		Tsu,Mie	290,000	107
3		Yodogawa,Osaka,Osaka	220,000	70
3		Matsusaka,Mie	160,000	100
3		Daito,Osaka	120,000	68
3		Awaji,Hyogo	43,000	73
3		Katsuragi,Nara	31,000	45
3		Takatori,Takaichi,Nara	7,900	42
3		Ikoma,Nara	89,000	66
3		Higashiyodogawa,Osaka,Osaka	140,000	71
3		Inami,Hidaka,Wakayama	7,400	47
3		Kamitonda,Nishimuro,Wakayama	13,000	47
3		Hirano,Osaka,Osaka	150,000	58
3		Miyakojima,Osaka,Osaka	100,000	67
3		Fukushima,Osaka,Osaka	100,000	67
3		Kainan,Wakayama	53,000	36
3		Nachikatsura,Higashimuro,Wakayama	15,000	60
3		Heguri,Ikoma,Nara	14,000	59
3		Taishi,Minamikawachi,Osaka	11,000	47
3		Yoshino,Yoshino,Nara	8,200	40
3		Kawanishi,Shiki,Nara	7,500	56
3		Mihama,Hidaka,Wakayama	6,800	48
3		Yura,Hidaka,Wakayama	5,700	47
3		Miyake,Shiki,Nara	4,800	55
3		Tokushima,Tokushima	280,000	96
3		Toyonaka,Osaka	330,000	77
3		Wakayama,Wakayama	370,000	42
3		Neyagawa,Osaka	200,000	74
3		Kishiwada,Osaka	170,000	45
3		Ikuno,Osaka,Osaka	110,000	62
3		Kashihara,Nara	110,000	49
3		Nagata,Kobe,Hyogo	97,000	75
3		Yamatokoriyama,Nara	89,000	63
3		Omihachiman,Shiga	74,000	123
3		Kashiba,Nara	56,000	50
3		Hannan,Osaka	40,000	44
3		Meiwa,Taki,Mie	19,000	106
3		Tamaki,Watarai,Mie	15,000	104
3		Kimino,Kaiso,Wakayama	8,500	28
3		Hidaka,Hidaka,Wakayama	6,000	46
3		Sakai,Sakai,Osaka	170,000	54
3		Iga,Mie	100,000	89
3		Kyotango,Kyoto	54,000	176
3		Kinokawa,Wakayama	56,000	29
3		Anan,Tokushima	77,000	89
3		Higashiosaka,Osaka	490,000	64
3		Hirakata,Osaka	340,000	79
3		Joto,Osaka,Osaka	130,000	67
3		Ise,Mie	130,000	110
3		Nagahama,Shiga	120,000	155
3		Minami,Sakai,Osaka	120,000	44
3		Tondabayashi,Osaka	100,000	44
3		Higashinari,Osaka,Osaka	73,000	63
3		Minamiawaji,Hyogo	46,000	78
3		Tawaramoto,Shiki,Nara	31,000	54
3		Aridagawa,Arida,Wakayama	26,000	35
3		Ikaruga,Ikoma,Nara	22,000	58
3		Kammaki,Kitakatsuragi,Nara	17,000	52
3		Tadaoka,Semboku,Osaka	15,000	47
3		Mihama,Minamimuro,Mie	8,600	51
3		Ando,Ikoma,Nara	5,700	58
3		Kurotaki,Yoshino,Nara	710	32
3		Kameyama,Mie	47,000	114
3		Suita,Osaka	360,000	74
3		Suzuka,Mie	180,000	125
3		Nakagyo,Kyoto,Kyoto	160,000	102
3		Izumi,Osaka	150,000	46
3		Moriguchi,Osaka	130,000	71
3		Hyogo,Kobe,Hyogo	130,000	76
3		Mino,Osaka	110,000	82
3		Izumisano,Osaka	100,000	42
3		Nishiyodogawa,Osaka,Osaka	90,000	69
3		Izumiotsu,Osaka	66,000	48
3		Katano,Osaka	59,000	77
3		Hashimoto,Wakayama	55,000	24
3		Osakasayama,Osaka	54,000	45
3		Sumoto,Hyogo	45,000	70
3		Nantan,Kyoto	34,000	113
3		Seika,Soraku,Kyoto	29,000	75
3		Oji,Kitakatsuragi,Nara	20,000	56
3		Taki,Taki,Mie	16,000	97
3		Naka,Naka,Tokushima	8,600	105
3		Taiki,Watarai,Mie	8,400	80
3		Asuka,Takaichi,Nara	5,600	46
3		Wakasa,Mikatakaminaka,Fukui	14,000	163
3		Mihama,Chita,Aichi	25,000	141
3		Minamiise,Watarai,Mie	12,000	105
3		Habikino,Osaka	99,000	51
3		Nara,Nara	340,000	68
3		Nose,Toyono,Osaka	8,900	98
3		Chuo,Osaka,Osaka	530,000	65
3		Yao,Osaka	250,000	58
3		Nishikyo,Kyoto,Kyoto	110,000	99
3		Minato,Osaka,Osaka	78,000	64
3		Asahi,Osaka,Osaka	73,000	69
3		Taisho,Osaka,Osaka	61,000	62
3		Fujiidera,Osaka	58,000	53
3		Kizugawa,Kyoto	54,000	73
3		Komatsushima,Tokushima	38,000	93
3		Kumatori,Sennan,Osaka	35,000	40
3		Kawai,Kitakatsuragi,Nara	18,000	54
3		Katsuragi,Ito,Wakayama	18,000	24
3		Sango,Ikoma,Nara	17,000	56
3		Shimoichi,Yoshino,Nara	5,700	34
3		Tenri,Nara	67,000	59
3		Amagasaki,Hyogo	420,000	73
3		Fushimi,Kyoto,Kyoto	250,000	94
3		Nishi,Sakai,Osaka	130,000	50
3		Suminoe,Osaka,Osaka	130,000	58
3		Handa,Aichi	110,000	151
3		Kawachinagano,Osaka	84,000	40
3		Toyoka,Hyogo	83,000	176
3		Kaizuka,Osaka	79,000	44
3		Kyotanabe,Kyoto	71,000	81
3		Ritto,Shiga	66,000	109
3		Joyo,Kyoto	65,000	85
3		Yawata,Kyoto	59,000	87
3		Naruto,Tokushima	58,000	91
3		Shimamoto,Mishima,Osaka	23,000	87
3		Ishii,Myozai,Tokushima	23,000	107
3		Ujitawara,Tsuzuki,Kyoto	9,500	87
3		Ide,Tsuzuki,Kyoto	8,000	80
3		Minami,Kaifu,Tokushima	6,800	106
3		Nosegawa,Yoshino,Nara	500	8
3		Kitayama,Higashimuro,Wakayama	430	38
3		Mugi,Kaifu,Tokushima	4,300	119
3		Gamagori,Aichi	73,000	168
3		Nishio,Aichi	160,000	158
3		Takatsuki,Osaka	290,000	83
3		Akashi,Hyogo	250,000	82
3		Nishi,Kobe,Hyogo	220,000	86
3		Takarazuka,Hyogo	170,000	81
3		Kusatsu,Shiga	140,000	107
3		Nada,Kobe,Hyogo	120,000	76
3		Matsubara,Osaka	110,000	53
3		Naka,Sakai,Osaka	110,000	48
3		Nishinari,Osaka,Osaka	92,000	60
3		Tsurumi,Osaka,Osaka	89,000	67
3		Konohana,Osaka,Osaka	79,000	66
3		Kashiwara,Osaka	64,000	53
3		Konan,Shiga	50,000	110
3		Yasu,Shiga	49,000	114
3		Kumiyama,Kuse,Kyoto	35,000	88
3		Kitajima,Itano,Tokushima	18,000	97
3		Oyodo,Yoshino,Nara	16,000	36
3		Tonosho,Shozu,Kagawa	14,000	137
3		Tajiri,Sennan,Osaka	12,000	43
3		Kaiyo,Kaifu,Tokushima	9,400	127
3		Chihayaakasaka,Minamikawachi,Osaka	4,600	40
3		Koya,Ito,Wakayama	4,300	13
3		Minamiyamashiro,Soraku,Kyoto	2,100	83
3		Soni,Uda,Nara	1,500	66

The histogram shows frequency distribution of estimated I_s derived from interpolation of the observation with 250-m mesh. The daytime and nighttime correspond to 9:00-18:59 and 19:00-8:59, respectively. The distance is measured from the epicenter to the center of the municipality.

Major Historical Damaging Earthquakes in This Region

Year	Region	M	Damage
1916	Southern Coast, Hyogo	6.1	1 dead, 3 houses collapsed.
1936	Nara	6.4	Kawachi Yamato Earthquake,9 dead. 6 houses collapsed, 53 partially destroyed.
1944	Off Kii Peninsula	7.9	Tonankai Earthquake,1,223 people dead or missing. 17,599 houses collapsed, 36,520 partially destroyed, 3,129 flowed out. Tsunamis heights were 6-8 m on the coast of Kumano; 1-2 m on the coast of Enshu.
1946	Off Kii Peninsula	8.0	Nankai Earthquake,1,330 dead. 11,591 houses collapsed, 23,487 partially destroyed, 1,451 flowed out, 2,598 completely destroyed by fire. Tsunamis, whose height reached 4-6 m, struck the coast from Shizuoka to Kyushu.
1948	Kii Channel	6.7	2 dead, 60 houses collapsed.
1952	Nara	6.7	Yoshino Earthquake,9 dead, 20 houses collapsed.
1995	Awajishima Island	7.3	Hyogoken Nanbu Earthquake,Many timber houses, RC and steel framed buildings, expressways, and railways, including Shinkansen, collapsed. 6,434 dead, 3 missing, 43,792 injured. 104,906 houses collapsed, 144,274 partially destroyed, 7132 completely or partially destroyed by fire.
2013	Awajishima Island	6.3	The crustal earthquake with revers faults adjacent to the focal area of the 1995 Hyogoken Nanbu Earthquake. 35 injured, 8 houses collapsed and 101 partially destroyed. The maximum Is was 6- (Awaji-shi, Hyogo).

Reference: National Astronomical Observatory of Japan, Chronological Scientific Tables, Maruzen, (2017) *partially extracted

5- or greater	5+ or greater Not Available
6- or greater Not Available	6+ or greater Not Available

Show All Data
Show All Data	5- or greater	5+ or greater	6- or greater	6+ or greater
Whole of Japan	< 1,000
Mie Prefecture	< 1,000
Kihoku,Kitamuro,Mie	< 1,000

Updated: 2026-05-02 18:39:29 (UTC+9) Ver.5 Final Report

I_s Distribution Maximum Observed I_s:5-

Estimated I_s for Major Cities

I_s Exposed-Population Estimates of Each City

Major Historical Damaging Earthquakes in This Region

Seismic Hazard Information of J-SHIS

Updated: 2026-05-02 18:39:29 (UTC+9) Ver.5 Final Report

Is Distribution Maximum Observed Is:5-

Estimated Is for Major Cities

Is Exposed-Population Estimates of Each City

Major Historical Damaging Earthquakes in This Region

Seismic Hazard Information of J-SHIS

I_s Distribution Maximum Observed I_s:5-

Estimated I_s for Major Cities

I_s Exposed-Population Estimates of Each City