Overall Green Earthquake alert in Japan on 17 Apr 2024 14:14 UTC

GDACS is a cooperation framework between the United Nations, the European Commission and disaster managers worldwide to improve alerts, information exchange and coordination in the first phase after major sudden-onset disasters.

M 6.3 in Japan on 17 Apr 2024 14:14 UTC

Hazard models

Rapid Impact

Shakemap

Tsunami

Event summary

This earthquake is expected to have a low humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude:	6.3M
Depth:	25.7 Km
Lat/Lon:	33.1621 , 132.3871
Event Date:	17 Apr 2024 14:14 UTC 17 Apr 2024 23:14 Local
Exposed Population:	110 thousand (in MMI>=VII)
Source:	NEIC us7000mcpi
Inserted at:	17 Apr 2024 14:32 UTC
INFORM Coping capacity of the alert score:	1.5 (Japan)

GDACS Score

For more info on GDACS alert score click here.

	Earthquake (Shakemap)		Tsunami		GDACS score
NEIC	0.4		0		0.4
us7000mcpi	Scaled population (raster)	4.42	Max wave alert	0m
	C1 shakemap	-0.59	Max wave realtime	0m
	C2 shakemap	0.53
	Country Vulnerability	0
	INFORM_normalised	0.57

Maximum expected impact using different data sources.

ShakeMap is a product of the USGS Earthquake Hazards Program in conjunction with the regional seismic networks. ShakeMaps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes.

Episode Timeline

ID	Alert	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1565505		0.4	17 Apr 2024 14:14	6.3M, 25.7km	7.85	110 thousand (in MMI>=VII)	0m (at 00:00)	00:17	NEIC

The episode that generated the alert; the next major evaluations beyond 12 hours will not trigger additional alerts.

The episode that has the last updated information.

* The max MMI detected for sources having shakemaps;
** The population detected in MMI>=7 for episode with shakemap or in a 100km radius;
*** The tsunami max height.

Exposed population

The earthquake happened in Japan ,of Shikoku (population 4,326,084) . The alertlevel for this event is GREEN

Intensity	Population
	25000 people
	86000 people
	250000 people
	1.6 million people

Shakemaps Timeline

Shake id #	Score	episodeid	Lat/Lon	Magnitude	Depth	Max MMI	Date shake (UTC)	Delay (hh:mm)
1	0	1565505	132.387/33.162	6.3	25.7	6.747	17 Apr 2024 14:39	00:24	(new episode)
2	0	1565505	132.387/33.162	6.3	25.7	6.747	17 Apr 2024 14:59	00:45	(upd of #1)
3	0	1565505	132.387/33.162	6.3	25.7	6.745	17 Apr 2024 16:20	02:06	(upd of #2)
4	0.4	1565505	132.387/33.162	6.3	25.7	7.847	18 Apr 2024 14:40	1d 00:26	(upd of #3)

Affected Provinces

Region Province	Country	Population
Shikoku	Japan	39000 people
Shikoku	Japan	64000 people
Shikoku	Japan	180000 people
Kyushu	Japan	39000 people
Shikoku	Japan	610000 people
Kyushu	Japan	690000 people
Chugoku	Japan	23000 people
Shikoku	Japan	940000 people
Kyushu	Japan	2.1 million people
Chugoku	Japan	1.3 million people
Kinki	Japan	20000 people

Affected populated places. Areas of interest

Name	Region Province	Country	City class	Population	Distance
Uwajima	Ehime	Japan	City	58000 people	18 km
Oshima	Ehime	Japan	Village	-	3 km
Tsunoura	Ehime	Japan	Village	-	6 km
Okohama	Ehime	Japan	Village	-	12 km
Harigi	Ehime	Japan	Village	-	14 km
Tsurunohama	Ehime	Japan	Village	-	14 km
Ajiro	Ehime	Japan	Village	-	15 km
Nakaura	Ehime	Japan	Village	-	16 km
Takayama	Ehime	Japan	Village	-	17 km
Kashiwa	Ehime	Japan	Village	-	19 km
Iwabuchi	Ehime	Japan	Village	-	21 km
Yoshida	Ehime	Japan	Village	-	21 km
Noda	Ehime	Japan	Village	-	23 km
Miyanoshita	Ehime	Japan	Village	-	24 km
Izume	Ehime	Japan	Village	-	28 km
Tsuburi	Ehime	Japan	Village	-	24 km
Funakoshi	Ehime	Japan	Village	-	27 km
Johen	Ehime	Japan	Village	-	27 km
Shitama	Ehime	Japan	Village	-	29 km
Zyohen	Ehime	Japan	Village	-	29 km
Fukura	Ehime	Japan	Village	-	31 km
Yoshino	Ehime	Japan	Village	-	32 km
Kawasaki	Ehime	Japan	Village	-	33 km
Natori	Ehime	Japan	Village	-	33 km
Nomura	Ehime	Japan	Village	-	33 km
Yawatahama	Ehime	Japan	Village	31000 people	33 km
Kawanohama	Ehime	Japan	Village	-	33 km
Mitsukue	Ehime	Japan	Village	-	34 km
Hama	Ehime	Japan	Village	-	35 km
Hotojima	Oita	Japan	Village	-	38 km
Tsurumi-zaki	Oita	Japan	Village	-	39 km
Kuchiyanai	Kochi	Japan	Village	-	39 km
Shono	Ehime	Japan	Village	-	39 km
Sukumo	Kochi	Japan	Village	26000 people	41 km
Sakaishi	Ehime	Japan	Village	-	41 km
Kami-ono	Ehime	Japan	Village	-	42 km
Fujinokawa	Kochi	Japan	Village	-	43 km
Deai	Kochi	Japan	Village	-	46 km
Uchiko	Ehime	Japan	Village	-	46 km
Hiromi	Kochi	Japan	Village	-	48 km
Ikasaki	Ehime	Japan	Village	-	50 km
Saiki	Oita	Japan	City	48000 people	50 km
Nakamura	Kochi	Japan	Village	34000 people	55 km
Sakanoichi	Oita	Japan	Village	-	56 km
Izumi	Ehime	Japan	Village	-	42 km
Amamui	Oita	Japan	Village	-	44 km
Tsuga	Kochi	Japan	Village	-	47 km
Urashiro	Oita	Japan	Village	-	48 km
Hataki	Ehime	Japan	Village	-	48 km
Saganoseki	Oita	Japan	City	-	48 km
Okora	Oita	Japan	Village	-	48 km
Arioka	Kochi	Japan	Village	-	49 km
Uwaura	Oita	Japan	Village	-	49 km
Kashiwajima	Kochi	Japan	Village	-	49 km
Shitagiri	Kochi	Japan	Village	-	49 km
Komame	Kochi	Japan	Village	-	49 km
Katsura	Oita	Japan	Village	-	51 km
Nagahama	Ehime	Japan	City	-	51 km
Sashioi	Oita	Japan	Village	-	52 km
Sakai	Kochi	Japan	Village	-	52 km
Hirose	Kochi	Japan	Village	-	53 km
Usuki	Oita	Japan	Village	35000 people	54 km
Kamaeura	Oita	Japan	Village	-	54 km
Oyo	Kochi	Japan	Village	-	54 km
Tanono	Kochi	Japan	Village	-	54 km
Uematsu	Oita	Japan	Village	-	56 km
Machimura	Ehime	Japan	Village	-	58 km
Ko-saitsuno	Kochi	Japan	Village	-	58 km
Simo-no-kae	Kochi	Japan	Village	-	58 km
Sanezaki	Kochi	Japan	Village	-	59 km
Kamae	Oita	Japan	Village	-	60 km
Irino	Kochi	Japan	Village	-	60 km
Nakayama	Ehime	Japan	Village	-	61 km
Shimoda	Kochi	Japan	Village	-	61 km
Tsurusaki	Oita	Japan	City	-	61 km
Simo-Kawaguti	Kochi	Japan	Village	-	61 km
Okegoya	Ehime	Japan	Village	-	62 km
Kami-nada	Ehime	Japan	Village	-	62 km
Maruichibi	Oita	Japan	Village	-	63 km
Oreai	Kochi	Japan	Village	-	64 km
Shinden	Kochi	Japan	Village	-	64 km
Misaki	Kochi	Japan	Village	-	65 km
Nada	Kochi	Japan	Village	-	66 km
Kami-ochidani	Oita	Japan	Village	-	66 km
Saga	Kochi	Japan	Village	-	68 km
Tosa-Shimizu	Kochi	Japan	Village	-	68 km
Oku-kureji	Kochi	Japan	Village	-	69 km
Naka-hetsugi	Oita	Japan	Village	-	70 km
Kubokawa	Kochi	Japan	Village	-	70 km
Furuichi	Oita	Japan	Village	-	71 km
Aki	Oita	Japan	Village	-	72 km
Kuma	Ehime	Japan	Village	-	72 km
Miyanoura	Miyazaki	Japan	Village	-	73 km
Oita	Oita	Japan	Major city	420000 people	73 km
Tobe	Ehime	Japan	Village	21000 people	74 km
Funato	Ehime	Japan	Village	-	74 km
Senzoku	Oita	Japan	Village	-	75 km
Tsurukawa	Oita	Japan	Village	-	75 km
Inukai	Oita	Japan	Village	-	75 km
Isa	Kochi	Japan	Village	-	76 km
Yodai	Yamaguchi	Japan	Village	-	76 km
Haramachi	Ehime	Japan	Village	-	77 km
Mie	Oita	Japan	Village	-	77 km
Onoichi	Oita	Japan	Village	-	79 km
Tomiku	Oita	Japan	Village	-	79 km
Kitsuki	Oita	Japan	Village	23000 people	79 km
Kure	Kochi	Japan	Village	-	80 km
Kume	Ehime	Japan	Village	-	82 km
Doi	Yamaguchi	Japan	Village	-	83 km
Matsuyama	Ehime	Japan	Major city	480000 people	83 km
Beppu	Oita	Japan	City	120000 people	83 km
Tanaka	Oita	Japan	Village	-	84 km
Fudaba	Kochi	Japan	Village	-	84 km
Kawachina	Miyazaki	Japan	Village	-	84 km
Yokogawara	Ehime	Japan	Village	-	84 km
Makiguchi	Oita	Japan	Village	-	85 km
Kawakami	Ehime	Japan	Village	-	86 km
Tayooka	Oita	Japan	Village	-	86 km
Washigasu	Ehime	Japan	Village	-	86 km
Kuka	Yamaguchi	Japan	Village	-	87 km
Susaki	Kochi	Japan	Village	26000 people	87 km
Komatsu	Yamaguchi	Japan	Village	-	87 km
Tabuse	Yamaguchi	Japan	Village	-	93 km
Nobeoka	Miyazaki	Japan	City	120000 people	93 km
Hojo	Ehime	Japan	Village	28000 people	97 km
Shimo-kureji	Kochi	Japan	Village	-	74 km
Yotsunoura	Kochi	Japan	Village	-	75 km
Murotsu	Yamaguchi	Japan	Village	-	79 km
Isaki	Yamaguchi	Japan	Village	-	80 km
Kaminokae	Kochi	Japan	Village	-	80 km
Mori	Kochi	Japan	Village	-	80 km
Izui	Yamaguchi	Japan	Village	-	80 km
Higashi-komi	Ehime	Japan	Village	-	81 km
Somano	Ehime	Japan	Village	-	84 km
Shimoaka	Miyazaki	Japan	Village	-	84 km
Okuni	Yamaguchi	Japan	Village	-	85 km
Ihota	Yamaguchi	Japan	Village	-	85 km
Saga	Yamaguchi	Japan	Village	-	86 km
Skinkiura	Oita	Japan	Village	-	87 km
Imi	Oita	Japan	Village	-	88 km
Ikekawa	Kochi	Japan	Village	-	88 km
Akane	Oita	Japan	Village	-	89 km
Ochi	Kochi	Japan	Village	-	90 km
Kanayama	Oita	Japan	Village	-	90 km
Yanai	Yamaguchi	Japan	Village	32000 people	91 km
Asaji	Oita	Japan	Village	-	91 km
Horie	Ehime	Japan	Village	-	91 km
Mutsuki	Ehime	Japan	Village	-	91 km
Obama	Ehime	Japan	Village	-	92 km
Sakawa	Kochi	Japan	Village	-	92 km
Hirao	Yamaguchi	Japan	City	-	92 km
Ikegawa	Kochi	Japan	Village	-	92 km
Taketazu	Oita	Japan	Village	-	93 km
Obatake	Yamaguchi	Japan	Village	-	94 km
Niida	Oita	Japan	Village	-	94 km
Hatari	Ehime	Japan	Village	-	95 km
Takedatsu	Oita	Japan	Village	-	95 km
Taketa	Oita	Japan	Village	16000 people	96 km
Fujinono	Ehime	Japan	Village	-	96 km
Koharu	Oita	Japan	Village	-	96 km
Jodoji	Oita	Japan	Village	-	96 km
Kamikawa	Miyazaki	Japan	Village	-	97 km
Takada	Oita	Japan	City	-	97 km
Kami-tsutsura	Oita	Japan	Village	-	98 km
Taina	Miyazaki	Japan	Village	-	98 km
Bungo-Takada	Oita	Japan	Village	-	98 km
Dekichi	Kochi	Japan	Village	-	98 km
Yu	Yamaguchi	Japan	Village	-	99 km
Takaiwa	Kochi	Japan	Village	-	99 km
Hashitsu	Oita	Japan	Village	-	101 km
Oura	Yamaguchi	Japan	Village	-	101 km
Oto	Ehime	Japan	Village	-	101 km
Shimoichi	Oita	Japan	Village	-	101 km
Kasado	Yamaguchi	Japan	Village	-	102 km
Tsutsu	Yamaguchi	Japan	Village	-	102 km
Kuju	Oita	Japan	Village	-	103 km
Usa	Kochi	Japan	Village	-	103 km
Yasuda	Yamaguchi	Japan	Village	-	103 km
Nagasu	Oita	Japan	Village	-	103 km
Tosa	Kochi	Japan	Village	30000 people	103 km
Kadogawa	Miyazaki	Japan	Village	-	104 km
Kudamatsu	Yamaguchi	Japan	City	52000 people	104 km
Hikari	Yamaguchi	Japan	Village	46000 people	104 km
Hama	Ehime	Japan	Village	-	105 km
Nagasawa	Kochi	Japan	Village	-	105 km
Imaichi	Yamaguchi	Japan	Village	-	105 km
Komatsu	Ehime	Japan	Village	-	105 km
Kuboichi	Yamaguchi	Japan	Village	-	106 km
Ino	Kochi	Japan	City	24000 people	106 km
Hinokage	Miyazaki	Japan	Village	-	106 km
Usa	Oita	Japan	Village	48000 people	107 km
Takamori	Yamaguchi	Japan	Village	-	107 km
Kuga	Yamaguchi	Japan	Village	-	107 km
Tabaru	Oita	Japan	Village	-	107 km
Nyugawa	Ehime	Japan	Village	-	107 km
Miyoshi	Ehime	Japan	Village	-	109 km
Nakamura	Oita	Japan	Village	-	110 km
Saijo	Ehime	Japan	City	56000 people	111 km
Sakioku	Hiroshima	Japan	Village	-	111 km
Tokuyama	Yamaguchi	Japan	City	100000 people	112 km
Oi	Ehime	Japan	Village	-	112 km
Hama-sakurai	Ehime	Japan	Village	-	112 km
Imazu	Yamaguchi	Japan	City	-	113 km
Mitai	Miyazaki	Japan	Village	-	113 km
Nakazu	Yamaguchi	Japan	Village	-	114 km
Imazu	Oita	Japan	Village	-	114 km
Takasu	Hiroshima	Japan	Village	-	114 km
Oguni	Oita	Japan	Village	-	114 km
Kanokawa	Hiroshima	Japan	Village	-	115 km
Kusakabe	Miyazaki	Japan	Village	-	115 km
Imabari	Ehime	Japan	City	110000 people	115 km
Mori	Oita	Japan	Village	-	116 km
Obe	Ehime	Japan	Village	-	116 km
Kochi	Kochi	Japan	Major city	310000 people	116 km
Otake	Yamaguchi	Japan	Village	32000 people	116 km
Kokone	Oita	Japan	Village	-	116 km
Susuma-hongo	Yamaguchi	Japan	Village	-	116 km
Hasihama	Ehime	Japan	Village	-	117 km
Mimitsu	Miyazaki	Japan	Village	-	118 km
Sakanashi	Kumamoto	Japan	Village	-	120 km
Tonomi	Yamaguchi	Japan	Village	-	120 km
Nihama	Ehime	Japan	City	-	120 km
Tashiro	Miyazaki	Japan	Village	-	121 km
Hiromachi	Hiroshima	Japan	City	-	121 km
Toiyaguchi	Yamaguchi	Japan	Village	-	121 km

see full list

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Airports

Name	IATA Code	Elevation (m)	Usage	Runway type	IFR	Runway Length (ft)	Distance
Oita	OIT	6	Civ.	Paved	Yes	9800	70 km
Matsuyama	MYJ	6	Civ.	Paved	Yes	8200	79 km
Beppu	BPU	unknown				0	83 km
Iwakuni Mcas		2	Mil.	Paved	Yes	8000	110 km
Niihama	IHA	unknown				0	122 km
Hofu		2	Mil.	Paved	No	4800	124 km
Kochi	KCZ	9	Civ.	Paved	Yes	6500	127 km
Yamaguchi Ube	UBJ	7	Civ.	Paved	Yes	6500	134 km
Tsuiki		17	Civ.	Paved	Yes	7800	138 km
Kumamoto	KMJ	196	Civ.	Paved	Yes	9800	148 km
Nyutabaru		79	Mil.	Paved	Yes	8800	148 km
Kita Kyushu	KKJ	3	Civ.	Paved	Yes	5200	153 km
Miyazaki	KMI	6	Civ.	Paved	Yes	8200	168 km

Ports

Name	LOCODE	Country	Distance
Uwajima	JPUWA	Japan	17 km
Yawatahama	JPYWH	Japan	33 km
Misaki		Japan	34 km
Kawanoishi		Japan	37 km
Sukumo	JPSUK	Japan	41 km
Saiki Ko		Japan	48 km
Nagahama	JPNGH	Japan	50 km
Saganoseki	JPSAG	Japan	49 km
Tsukumi	JPTMI	Japan	50 km
Usuki	JPUSK	Japan	54 km
Tsurusaki	JPTSK	Japan	63 km
Tosa-Shimizu		Japan	64 km
Saga		Japan	66 km
Shimizu		Japan	68 km
Iyo		Japan	70 km
Oita	JPOIT	Japan	73 km
Beppu	JPBPU	Japan	74 km
Kitsuki		Japan	75 km
Matsuyama	JPMYJ	Japan	83 km
Hiji		Japan	85 km
Susaki	JPSUZ	Japan	87 km
Hirao	JPHRA	Japan	89 km
Nobeoka	JPNOB	Japan	91 km
Tabuka		Japan	84 km
Hikari	JPHKR	Japan	97 km
Totoro		Japan	97 km
Hojo		Japan	98 km
Tosa		Japan	101 km
Hosojima	JPHSM	Japan	105 km
Kudamatsu	JPKUD	Japan	105 km
Kikuma	JPKIK	Japan	107 km
Tokuyama	JPTKY	Japan	111 km
Shiminato	JPIWK	Japan	111 km
Kanokawa	JPKKW	Japan	113 km
Nakatsu		Japan	115 km
Namikata	JPMAG	Japan	115 km
Imabari	JPIMB	Japan	116 km
Kochi	JPKCZ	Japan	117 km
Niihama	JPIHA	Japan	120 km
Nakanoseki	JPNAN	Japan	121 km
Shimogo		Japan	135 km
Iyomishima	JPIYM	Japan	137 km
Ube	JPUBJ	Japan	138 km
Mishima	JPMSM	Japan	141 km
Onoda	JPOND	Japan	144 km
Onada		Japan	145 km
Kawanoe	JPKWN	Japan	145 km
Aki		Japan	146 km
Kanda	JPKND	Japan	152 km
Miyazaki	JPKMI	Japan	167 km
Kojiro		Japan	203 km
Kagoshima	JPKOJ	Japan	245 km
Amamioshima	JPASJ	Japan	247 km

Dams

Reservoir	Dam Name	River	Year	Distance
Asagiriko	Nomura	Hijigawa	1981	31 km
Kanogawako	Kanogawa	Hijikawa	1958	42 km
Ishiba	Ishiba	Mietanigawa	1973	71 km
Sagiriko	Odo	Niiyodogawa	1986	80 km
Aki	Aki	Akigawa	1971	81 km
Kitagawa	Kitagawa	Kitagawa	1962	83 km
Omogo	Omogo	Wariishikawa	1965	86 km
Serikawa	Serikawa	Serigawa	1956	88 km
Shirasagiko	Ishitegawa	Ishitegawa	1972	90 km
Hisashi	Hisashi	Yamakuragawa	1969	94 km
Omorigawachosuichi	Omorigawa	Omorigawa	1959	100 km
Yamashitaike	Yamashitaike	Kuramotogawa	1918	101 km
Nagasawachosuichi	Nagasawa	Yoshinogawa	1949	104 km
Tamagawako	Tamagawa	Soshagawa	1970	105 km
Kuroseko	Kurose	Kamogawa	1972	106 km
Hiju	Hiju	Hijugawa	1968	108 km
Amagatanichosuichi	Jizobaru	Jizobarugawa	1922	111 km
Nukumi	Nukumi	Suetakegawa	1963	112 km
Ouchibaru	Ouchibaru	Mimigawa	1956	117 km
Yabakeiko	Yabakei	Yamautsurigawa	1984	122 km
Mannenike	Mannenike		1963	138 km
Fukasako	Fukasako	Fukasakogawa	1974	149 km

Nuclear Facilities

Site	Type	Name	Country	Distance
Site-Ikata	Nuclear Power Plant	Ikata-3	Japan	37 km

More information

For a full list of available products related to this event, please refer to the GDACS Resources page.

Disclaimer
While we try everything to ensure accuracy, this information is purely indicative and should not be used for any decision making without alternate sources of information.
The JRC is not responsible for any damage or loss resulting from the use of the information presented on this website.
The designations employed and the presentation of material on the map do not imply the expression of any opinion whatsoever on the part of the European Union concerning the legal status of any country, territory or area or of its authorities, or concerning the delimitation of its frontiers or boundaries.