Overall Green Earthquake alert in Japan on 04 Apr 2024 03:16 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 6.1 in Japan on 04 Apr 2024 03:16 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:	6.1M
Depth:	40.1 Km
Lat/Lon:	37.7196 , 141.924
Event Date:	04 Apr 2024 03:16 UTC 04 Apr 2024 12:16 Local
Exposed Population:	2.1 million in MMI IV
Source:	NEIC us7000m9sq
Inserted at:	04 Apr 2024 03:35 UTC
INFORM Coping capacity of the alert score:	1.1 (Japan)

GDACS Score

For more info on GDACS alert score click here.

	Earthquake (Shakemap)		GDACS score
NEIC	0		0
us7000m9sq	Scaled population (raster)	0
	C1 shakemap	0
	C2 shakemap	0
	Country Vulnerability	0
	INFORM_normalised	0

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
1562955		0	04 Apr 2024 03:16	6.1M, 40.1km	4.01	N/A (in MMI>=VII)		00:18	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 Kanto (population 38,543,000) . The alertlevel for this event is GREEN

Intensity	Population
	no people

Shakemaps Timeline

Shake id #	episodeid	Lat/Lon	Magnitude	Depth	Max MMI	Date shake (UTC)	Delay (hh:mm)
1	1562955	141.924/37.72	6.1	40.1	4.008	04 Apr 2024 03:39	00:22	(new episode)
2	1562955	141.924/37.72	6.1	40.1	4.008	04 Apr 2024 03:48	00:32	(upd of #1)
3	1562955	141.924/37.72	6.1	40.1	4.008	04 Apr 2024 05:21	02:05	(upd of #2)
4	1562955	141.924/37.72	6.1	40.1	4.008	05 Apr 2024 03:42	1d 00:25	(upd of #3)

Affected Provinces

Region Province	Country	Population
Tohoku	Japan	4.6 million people
Kanto	Japan	69000 people
Kanto	Japan	1900 people

Affected populated places. Areas of interest

Name	Region Province	Country	City class	Population	Distance
Aji	Miyagi	Japan	Village	-	72 km
Oshika	Miyagi	Japan	Village	-	73 km
Niiyama	Miyagi	Japan	Village	-	75 km
Oharahama	Miyagi	Japan	Village	-	77 km
Nitoda	Miyagi	Japan	Village	-	78 km
Yagawa	Miyagi	Japan	Village	-	82 km
Odaka	Fukushima	Japan	Village	-	84 km
Kashima	Fukushima	Japan	Village	-	85 km
Namie	Fukushima	Japan	Village	22000 people	86 km
Nakumura	Fukushima	Japan	Village	-	88 km
Haramachi	Fukushima	Japan	Village	47000 people	89 km
Onagawahama	Miyagi	Japan	Village	-	90 km
Tomioka	Fukushima	Japan	Village	-	91 km
Sakamoto	Miyagi	Japan	Village	-	91 km
Watanoha	Miyagi	Japan	Village	-	92 km
Hanagama	Miyagi	Japan	Village	-	93 km
Arahama	Miyagi	Japan	Village	-	96 km
Ishinomaki	Miyagi	Japan	City	120000 people	96 km
Ogatsu	Miyagi	Japan	Village	-	96 km
Ohama	Miyagi	Japan	Village	-	96 km
Yamashita	Miyagi	Japan	Village	-	97 km
Ido	Miyagi	Japan	Village	-	99 km
Watari	Miyagi	Japan	Village	36000 people	100 km
Nagatsura	Miyagi	Japan	Village	-	101 km
Kamata	Miyagi	Japan	Village	-	101 km
Takagi	Miyagi	Japan	Village	-	102 km
Shiogama	Miyagi	Japan	City	59000 people	103 km
Iinogawa	Miyagi	Japan	Village	-	103 km
Shinden	Miyagi	Japan	Village	-	103 km
Iinosaka	Miyagi	Japan	Village	-	103 km
Tsukihama	Miyagi	Japan	Village	-	103 km
Yotsukura	Fukushima	Japan	Village	-	104 km
Kakuda	Miyagi	Japan	Village	33000 people	104 km
Takaki	Miyagi	Japan	Village	-	104 km
Marumori	Miyagi	Japan	Village	17000 people	104 km
Furumichi	Fukushima	Japan	Village	-	105 km
Schiogama	Miyagi	Japan	Village	-	105 km
Higashi-tamano	Fukushima	Japan	Village	-	106 km
Terahama	Miyagi	Japan	Village	-	107 km
Sakashiuchi	Fukushima	Japan	Village	-	108 km
Wabuchi	Miyagi	Japan	Village	-	108 km
Sendai	Miyagi	Japan	Major city	1 million people	108 km
Shinzeki	Miyagi	Japan	Village	-	110 km
Hirawata	Miyagi	Japan	Village	-	110 km
Oritate	Miyagi	Japan	Village	-	110 km
Oyanagi	Miyagi	Japan	Village	-	111 km
Hosokura	Miyagi	Japan	Village	-	112 km
Ogawara	Miyagi	Japan	Village	23000 people	112 km
Yanaizu	Miyagi	Japan	Village	-	112 km
Kamimachi	Miyagi	Japan	Village	-	112 km
Wakuya	Miyagi	Japan	City	18000 people	113 km
Shizugawa	Miyagi	Japan	Village	-	114 km
Murata	Miyagi	Japan	Village	-	114 km
Mishima	Fukushima	Japan	Village	-	115 km
Taira	Fukushima	Japan	City	-	116 km
Shimomachi	Miyagi	Japan	Village	-	116 km
Isatomae	Miyagi	Japan	Village	-	116 km
Matsuyama	Miyagi	Japan	Village	-	116 km
Shiroishi	Miyagi	Japan	Village	39000 people	116 km
Yanagawa	Fukushima	Japan	Village	20000 people	117 km
Tokiwa	Fukushima	Japan	Village	-	117 km
Minato	Miyagi	Japan	Village	-	118 km
Nagano	Miyagi	Japan	Village	-	118 km
Nishino	Miyagi	Japan	Village	-	118 km
Harimichi	Fukushima	Japan	Village	-	119 km
Ena	Fukushima	Japan	Village	-	119 km
Kaita	Fukushima	Japan	Village	-	120 km
Kami-ogoe	Fukushima	Japan	Village	-	120 km
Kammata	Fukushima	Japan	Village	-	120 km
Hobara	Fukushima	Japan	Village	24000 people	121 km
Yoshioka	Miyagi	Japan	Village	-	122 km
Maeya	Miyagi	Japan	Village	-	122 km
Kawasaki	Miyagi	Japan	Village	-	122 km
Nenoshiroishi	Miyagi	Japan	Village	-	123 km
Funahiki	Fukushima	Japan	Village	-	123 km
Motoyoshi	Miyagi	Japan	Village	-	124 km
Tajiri	Miyagi	Japan	Village	-	124 km
Baba	Miyagi	Japan	Village	-	124 km
Sanuma	Miyagi	Japan	City	-	124 km
Shirasawa	Miyagi	Japan	Village	-	125 km
Oya	Miyagi	Japan	Village	-	125 km
Onahama	Fukushima	Japan	City	-	126 km
Furukawa	Miyagi	Japan	City	76000 people	126 km
Oenokawara	Miyagi	Japan	Village	-	127 km
Fukusaima	Fukushima	Japan	City	-	127 km
Matsuzaki	Miyagi	Japan	Village	-	128 km
Tsuya	Miyagi	Japan	Village	-	128 km
Araya	Miyagi	Japan	Village	-	129 km
Kesennuma	Miyagi	Japan	Village	59000 people	129 km
Matsukawa	Fukushima	Japan	Village	-	130 km
Semine	Miyagi	Japan	Village	-	130 km
Tokatta	Miyagi	Japan	Village	-	130 km
Koori	Fukushima	Japan	Village	-	130 km
Takakiyomizu	Miyagi	Japan	Village	-	131 km
Naka-niida	Miyagi	Japan	Village	-	131 km
Nihommatsu	Fukushima	Japan	Village	36000 people	132 km
Wakayanagi	Miyagi	Japan	Village	-	132 km
Seki	Miyagi	Japan	Village	-	133 km
Otsu	Fukushima	Japan	Village	-	133 km
Tadagoe	Miyagi	Japan	Village	-	135 km
Tsukuba	Ibaraki	Japan	City	180000 people	233 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
Matsushima		2	Civ.	Paved	Yes	8800	98 km
Sendai	SDJ	5	Civ.	Paved	Yes	9800	100 km
Kasuminome		5				0	104 km
Ojojibara		70				0	129 km
Fukushima	FKS	372	Civ.	Paved	Yes	8200	143 km
Junmachi	GAJ	108	Civ.	Paved	Yes	6500	156 km

Ports

Name	LOCODE	Country	Distance
Soma	JPSMA	Japan	86 km
Onagawa	JPONG	Japan	90 km
Ishinomaki	JPISM	Japan	93 km
Shiogama	JPSGM	Japan	103 km
Onahama	JPONA	Japan	125 km
Kesennuma Ko		Japan	131 km
Ofunato	JPOFT	Japan	149 km

Dams

Reservoir	Dam Name	River	Year	Distance
Yokokawa	Yokokawa	Otagawa	1983	91 km
Takanokura	Takanokura	Mizunashigawa	1975	92 km
Ogaki	Ogaki	Ukedogawa	1985	94 km
Sakashita	Sakashita	Okawaragawa	1973	94 km
Tamanotameike	Tamano	Udagawa	1945	104 km
Tarumizuko	Tarumizu	Masudagawa	1976	108 km
Kamafusako	Kamafusa	Goishigawa	1970	120 km
Nanatsumoriko	Minamikawa	Minamikawa	1987	125 km
Nanakita	Nanakita	Nanakitagawa	1984	126 km
Okurako	Okura	Okuragawa	1961	126 km
			1991	127 km
Kawarago	Kawarago	Shiroishigawa	1968	128 km
Naganuma	Naganuma	Hazamagawa	2005	129 km
Kejonuma	Kejonuma	Tajirigawa	1995	131 km
Meigenko	Urushizawa	Narusegawa	1980	147 km
Hanayamako	Hanayama	Hazamagawa	2004	150 km
Maekawa	Maekawa	Maekawa	1982	155 km

Nuclear Facilities

Site	Type	Name	Country	Distance
Site-Onagawa	Nuclear Power Plant	Onagawa-2	Japan	84 km
Site-Onagawa	Nuclear Power Plant	Onagawa-3	Japan	84 km

More information

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

Disclaimer
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