Overall Green Earthquake alert in Japan on 05 May 2023 05:42 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 6.2 in Japan on 05 May 2023 05:42 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:	6.2M
Depth:	8.712 Km
Lat/Lon:	37.5402 , 137.3053
Event Date:	05 May 2023 05:42 UTC 05 May 2023 14:42 Local
Exposed Population:	10 thousand (in MMI>=VII)
Source:	NEIC us6000k9mb
Inserted at:	05 May 2023 05:59 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		0		0
us6000k9mb	Scaled population (vector)	2.61	Max wave alert	0.09m
	C1 shakemap	-0.59	Max wave realtime	0.09m
	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
1504057		0	05 May 2023 05:42	6.2M, 8.712km	8.1	4 thousand (in MMI>=VII)	0.1m (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 Chubu (population 5,172,046) . The alertlevel for this event is GREEN

Intensity	Population
	<1000 people
	3900 people
	6700 people
	18000 people

Shakemaps Timeline

Shake id #	Score	episodeid	Lat/Lon	Magnitude	Depth	Max MMI	Date shake (UTC)	Delay (hh:mm)
1	0	1504057	137.305/37.54	6.2	8.7	7.177	05 May 2023 06:06	00:24	(new episode)
2	0	1504057	137.305/37.54	6.2	8.7	7.177	05 May 2023 07:48	02:06	(upd of #1)
3	0.2	1504057	137.305/37.54	6.2	8.7	8.103	05 May 2023 15:37	09:55	(upd of #2)
4	0	1504057	137.305/37.54	6.2	8.7	8.103	06 May 2023 06:40	1d 00:58	(upd of #3)

Affected Provinces

Region Province	Country	Population
Chubu	Japan	9700 people
Chubu	Japan	5200 people
Chubu	Japan	10000 people
Chubu	Japan	19000 people
Chubu	Japan	2.3 million people
Tohoku	Japan	1.9 million people
Chubu	Japan	<1000 people
Tohoku	Japan	no people
Kanto	Japan	420000 people

Affected populated places. Areas of interest

Name	Region Province	Country	City class	Population	Distance
Noroshi	Ishikawa	Japan	Village	-	3 km
Orido	Ishikawa	Japan	Village	-	4 km
Otani	Ishikawa	Japan	Village	-	9 km
Shoin	Ishikawa	Japan	Village	-	11 km
Iida	Ishikawa	Japan	Village	-	12 km
Shimizu	Ishikawa	Japan	Village	-	18 km
Matsunami	Ishikawa	Japan	Village	-	21 km
Minado	Ishikawa	Japan	Village	-	22 km
Ushitsu	Ishikawa	Japan	Village	-	29 km
Ugatsuka	Ishikawa	Japan	Village	-	30 km
Soryo	Ishikawa	Japan	Village	-	33 km
Ukawa	Ishikawa	Japan	Village	-	38 km
Ichinosaka	Ishikawa	Japan	Village	-	46 km
Anamizu	Ishikawa	Japan	Village	-	50 km
Wajima	Ishikawa	Japan	Village	24000 people	50 km
Nozaki	Ishikawa	Japan	Village	-	52 km
Monzen	Ishikawa	Japan	Village	-	56 km
Wakura	Ishikawa	Japan	Village	-	57 km
Onogi	Ishikawa	Japan	Village	-	57 km
Nakajima	Ishikawa	Japan	Village	-	58 km
Nanao	Ishikawa	Japan	City	45000 people	62 km
Tsurugiji	Ishikawa	Japan	Village	-	62 km
Tazuruhama	Ishikawa	Japan	Village	-	65 km
Tohama	Ishikawa	Japan	Village	-	67 km
Togi	Ishikawa	Japan	City	-	68 km
Kommachi	Ishikawa	Japan	Village	-	69 km
Tomari	Toyama	Japan	Village	-	70 km
Ichiburi	Niigata	Japan	Village	-	70 km
Kurobe	Toyama	Japan	Village	36000 people	71 km
Ohmi	Niigata	Japan	Village	-	72 km
Unami	Toyama	Japan	Village	-	75 km
Itoigawa	Niigata	Japan	Village	30000 people	75 km
Mikkaichi	Toyama	Japan	Village	-	75 km
Takahama	Ishikawa	Japan	Village	-	76 km
Kajiyashiki	Niigata	Japan	Village	-	76 km
Tokumaru	Ishikawa	Japan	Village	-	78 km
Nomachi	Niigata	Japan	Village	-	78 km
Uchiyama	Toyama	Japan	Village	-	81 km
Himi	Toyama	Japan	City	54000 people	81 km
Uozu	Toyama	Japan	City	45000 people	81 km
Taniya	Toyama	Japan	Village	-	82 km
Omae	Niigata	Japan	Village	-	82 km
Nadachi	Niigata	Japan	Village	-	83 km
Hakui	Ishikawa	Japan	Village	24000 people	86 km
Fushiki	Toyama	Japan	City	-	86 km
Mitsuya	Niigata	Japan	Village	-	88 km
Yokata	Toyama	Japan	Village	-	88 km
Oami	Niigata	Japan	Village	-	88 km
Inugamidaira	Niigata	Japan	Village	-	89 km
Shikinami	Ishikawa	Japan	Village	-	90 km
Ogi	Niigata	Japan	Village	-	92 km
Takaoka	Toyama	Japan	City	170000 people	92 km
Naoetsu	Niigata	Japan	Village	-	93 km
Kamiichi	Toyama	Japan	Village	23000 people	93 km
Toyama	Toyama	Japan	Major city	320000 people	95 km
Takada	Niigata	Japan	City	-	96 km
Chida	Niigata	Japan	Village	-	97 km
Dosokohama	Niigata	Japan	Village	-	97 km
Tonami	Toyama	Japan	Village	42000 people	98 km
Takamatsu	Ishikawa	Japan	City	-	100 km
Nagasawa	Toyama	Japan	Village	-	101 km
Shimmachi	Niigata	Japan	Village	-	102 km
Nigonki-machi	Niigata	Japan	Village	-	103 km
Kawaharada	Niigata	Japan	Village	-	103 km
Hatsusaki	Niigata	Japan	Village	-	103 km
Aikawa	Niigata	Japan	Village	-	103 km
Isurugi	Toyama	Japan	City	-	104 km
Sekiyama	Niigata	Japan	Village	-	106 km
Akadomari	Niigata	Japan	Village	-	106 km
Uragawara	Niigata	Japan	Village	-	107 km
Yatsuo	Toyama	Japan	Village	22000 people	108 km
Hatano	Niigata	Japan	Village	-	109 km
Hari	Niigata	Japan	Village	-	111 km
Fukuno	Toyama	Japan	City	-	111 km
Ushiro	Niigata	Japan	Village	-	111 km
Shimo-yokoyama	Niigata	Japan	Village	-	112 km
Oda	Niigata	Japan	Village	-	112 km
Kashiwazaki	Niigata	Japan	City	85000 people	113 km
Arahama	Niigata	Japan	Village	-	114 km
Takakubo	Toyama	Japan	Village	-	115 km
Mure	Nagano	Japan	Village	-	115 km
Noda	Niigata	Japan	Village	-	115 km
Shiiya	Niigata	Japan	Village	-	117 km
Moroo	Niigata	Japan	Village	-	118 km
Ryotsu	Niigata	Japan	Village	-	119 km
Iiyama	Nagano	Japan	Village	25000 people	119 km
Johana	Toyama	Japan	Village	-	119 km
Sugawa	Niigata	Japan	Village	-	120 km
Kita-jo	Niigata	Japan	Village	-	121 km
Nanagamaki	Nagano	Japan	Village	-	121 km
Liyama	Nagano	Japan	Village	-	121 km
Izumozaki	Niigata	Japan	Village	-	122 km
Nora	Niigata	Japan	Village	-	122 km
Kanazawa	Ishikawa	Japan	Major city	450000 people	123 km
Koda	Niigata	Japan	Village	-	123 km
Suitsu	Niigata	Japan	Village	-	125 km
Ojiya	Niigata	Japan	Village	40000 people	127 km
Tsukanoyama	Niigata	Japan	Village	-	127 km
Matsudai	Niigata	Japan	Village	-	128 km
Kurohime	Niigata	Japan	Village	-	129 km
Shimasaki	Niigata	Japan	Village	-	130 km
Ueno	Niigata	Japan	Village	-	130 km
Iwayaguchi	Niigata	Japan	Village	-	130 km
Kami-nozoki	Niigata	Japan	Village	-	130 km
Teradomari	Niigata	Japan	Village	-	131 km
Wakino	Niigata	Japan	Village	-	131 km
Raigoji	Niigata	Japan	Village	-	131 km
Yoita	Niigata	Japan	Village	-	133 km
Nishi-akao	Toyama	Japan	Village	-	134 km
Imosaka	Niigata	Japan	Village	-	134 km
Tasawa	Niigata	Japan	Village	-	135 km
Tsurugi	Ishikawa	Japan	Village	22000 people	135 km
Yoshida	Niigata	Japan	Village	23000 people	136 km
Washisaki	Niigata	Japan	Village	-	137 km
Nagaoka	Niigata	Japan	City	200000 people	137 km
Echizenhama	Niigata	Japan	Village	-	140 km
Kaneko	Gunma	Japan	Village	-	197 km
Kaneko	Gunma	Japan	Village	-	197 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
Noto		218				0	41 km
Toyama	TOY	29	Civ.	Paved	Yes	6500	100 km
		23				0	114 km
Komatsu	KMQ	5	Civ.	Paved	Yes	8800	150 km
Niigata	KIJ	7	Civ.	Paved	Yes	8200	166 km
Fukui	FKJ	6	Civ.	Paved	Yes	3900	183 km

Ports

Name	LOCODE	Country	Distance
Iida		Japan	12 km
Wajima		Japan	27 km
Wajima	JPWJM	Japan	49 km
Nanao	JPNNO	Japan	62 km
Himekawa		Japan	75 km
Fushiki	JPFSK	Japan	86 km
Toyahashi		Japan	87 km
Toyama Shinko	JPTOS	Japan	87 km
Toyama	JPTOY	Japan	88 km
Naoetsu	JPNAO	Japan	92 km
Sawane		Japan	100 km
Kanazawa	JPKNZ	Japan	122 km
Ryotu Wan	JPSDO	Japan	126 km
Sado Island		Japan	133 km
Aikawa	JPAIK	Japan	160 km
Niigata	JPKIJ	Japan	161 km
Fukui	JPFKJ	Japan	179 km

Dams

Reservoir	Dam Name	River	Year	Distance
Tane	Tane	Kumabuchigawa	1973	69 km
Shozenjiko	Shozenji	Shozenjigawa	1984	89 km
Dashidaira	Dashidaira	Kurobegawa	1985	90 km
Kamiichigawa	Kamiichigawa	Kamiichigawa	1964	96 km
Kamiichigawadaini	Kamiichigawadaini	Kamiichigawa	1985	97 km
Furudoike	Furudo	Kajikawa	1984	99 km
Otomiko	Sasagamine	Sekigawa	1979	101 km
Okususobana	Okususobana	Susobanagawa	1979	108 km
Akaiwa	Akaiwa	Tannegawa	1990	110 km
Muromaki	Muromaki	Idagawa	1961	113 km
Jinzudaiichi	Jinichi	Jinzugawa	1954	116 km
Sakuragaike	Sakuragaike	Oigawa	1958	122 km
Soyama	Soyama	Shokawa	1930	122 km
Tori	Tori	Oyabegawa	1966	127 km
Uchikawako	Uchikawa	Uchikawa	1974	131 km
Ohara	Ohara	Shokawa	1942	131 km
Saigawako	Saigawa	Saigawa	1965	133 km
Tedorigawadaisan	Tedorigawadaisan	Nomitanigawa	1978	140 km
Narusawako	Narusawa	Harunashirakawa	1950	194 km
Narusawako	Narusawa	Harunashirakawa	1950	194 km
Makabechoseichi	Makabe	Tonegawa	1928	194 km
Makabechoseichi	Makabe	Tonegawa	1928	194 km

Nuclear plants

Intensity	Name	Country	Reactors	Distance
	SHIKA	JAPAN	2	74 km
	KASHIWAZAKI KARIWA	JAPAN	7	114 km

More information

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

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