Overall Green Earthquake alert in Japan on 13 May 2021 23:58 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 in Japan on 13 May 2021 23:58 UTC

Hazard models

EQ parameters

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:	6.0M
Depth:	32 Km
Lat/Lon:	37.7079 , 141.7784
Event Date:	13 May 2021 23:58 UTC 14 May 2021 08:58 Local
Exposed Population:	1080000 people within 100km
Source:	NEIC us7000e2xd
Inserted at:	14 May 2021 01:07 UTC
INFORM Coping capacity of the alert score:	1.5 (Japan)

GDACS Score

For more info on GDACS alert score click here.

	Earthquake (Shakemap)		GDACS score
NEIC	0		0
us7000e2xd	Scaled population (raster)	0
	C1 shakemap	-0.59
	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	Date	Mag, Depth	MMI*	Population**	Delay (hh:mm)	Source
1375002	13 May 2021 23:58	6M, 43.08km	3.94	N/A (in MMI>=VII)	00:16	NEIC
1375005	13 May 2021 23:58	6M, 37.74km	3.97	N/A (in MMI>=VII)	00:27	NEIC
1375020	13 May 2021 23:58	6M, 32km	4.41	N/A (in MMI>=VII)	01:09	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 Tohoku (population 192,296) . 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	1375002	37.717/141.749	6.0	43.1	3.938	14 May 2021 00:20	00:22	(new episode)
2	1375005	37.711/141.719	6.0	37.7	3.972	14 May 2021 00:58	01:00	(new episode)
3	1375020	37.708/141.778	6.0	32.0	4.423	14 May 2021 02:04	02:06	(new episode)
4	1375020	37.708/141.778	6.0	32.0	4.413	15 May 2021 00:03	1d 00:05	(upd of #3)

Affected Provinces

Intensity	Region Province	Country	Population
	Tohoku	Japan	2.9 million people

Affected populated places. Areas of interest

Name	Region Province	Country	City class	Population	Distance
Aji	Miyagi	Japan	Village	-	67 km
Oshika	Miyagi	Japan	Village	-	69 km
Niiyama	Miyagi	Japan	Village	-	71 km
Odaka	Fukushima	Japan	Village	-	71 km
Kashima	Fukushima	Japan	Village	-	72 km
Oharahama	Miyagi	Japan	Village	-	73 km
Namie	Fukushima	Japan	Village	22000 people	73 km
Nitoda	Miyagi	Japan	Village	-	73 km
Nakumura	Fukushima	Japan	Village	-	75 km
Haramachi	Fukushima	Japan	Village	47000 people	76 km
Yagawa	Miyagi	Japan	Village	-	78 km
Sakamoto	Miyagi	Japan	Village	-	79 km
Tomioka	Fukushima	Japan	Village	-	79 km
Hanagama	Miyagi	Japan	Village	-	81 km
Arahama	Miyagi	Japan	Village	-	85 km
Yamashita	Miyagi	Japan	Village	-	85 km
Watanoha	Miyagi	Japan	Village	-	87 km
Watari	Miyagi	Japan	Village	36000 people	89 km
Ido	Miyagi	Japan	Village	-	89 km
Ishinomaki	Miyagi	Japan	City	120000 people	90 km
Marumori	Miyagi	Japan	Village	17000 people	92 km
Iinosaka	Miyagi	Japan	Village	-	93 km
Kakuda	Miyagi	Japan	Village	33000 people	93 km
Yotsukura	Fukushima	Japan	Village	-	93 km
Higashi-tamano	Fukushima	Japan	Village	-	93 km
Ohama	Miyagi	Japan	Village	-	94 km
Shiogama	Miyagi	Japan	City	59000 people	94 km
Takagi	Miyagi	Japan	Village	-	95 km
Kamata	Miyagi	Japan	Village	-	96 km
Takaki	Miyagi	Japan	Village	-	97 km
Shinden	Miyagi	Japan	Village	-	97 km
Schiogama	Miyagi	Japan	Village	-	97 km
Iinogawa	Miyagi	Japan	Village	-	98 km
Sendai	Miyagi	Japan	Major city	1 million people	99 km
Ogawara	Miyagi	Japan	Village	23000 people	100 km
Tsukihama	Miyagi	Japan	Village	-	100 km
Hosokura	Miyagi	Japan	Village	-	101 km
Wabuchi	Miyagi	Japan	Village	-	102 km
Shinzeki	Miyagi	Japan	Village	-	102 km
Murata	Miyagi	Japan	Village	-	103 km
Hirawata	Miyagi	Japan	Village	-	103 km
Mishima	Fukushima	Japan	Village	-	104 km
Yanagawa	Fukushima	Japan	Village	20000 people	104 km
Shiroishi	Miyagi	Japan	Village	39000 people	105 km
Oyanagi	Miyagi	Japan	Village	-	105 km
Taira	Fukushima	Japan	City	-	105 km
Nagano	Miyagi	Japan	Village	-	106 km
Wakuya	Miyagi	Japan	City	18000 people	107 km
Kamimachi	Miyagi	Japan	Village	-	107 km
Shimomachi	Miyagi	Japan	Village	-	108 km
Hobara	Fukushima	Japan	Village	24000 people	109 km
Matsuyama	Miyagi	Japan	Village	-	109 km
Kawasaki	Miyagi	Japan	Village	-	111 km
Nishino	Miyagi	Japan	Village	-	113 km
Yoshioka	Miyagi	Japan	Village	-	113 km
Nenoshiroishi	Miyagi	Japan	Village	-	113 km
Baba	Miyagi	Japan	Village	-	114 km
Fukusaima	Fukushima	Japan	City	-	115 km
Shirasawa	Miyagi	Japan	Village	-	115 km
Tajiri	Miyagi	Japan	Village	-	118 km
Tokatta	Miyagi	Japan	Village	-	119 km
Furukawa	Miyagi	Japan	City	76000 people	119 km
Sanuma	Miyagi	Japan	City	-	120 km
Araya	Miyagi	Japan	Village	-	122 km
Naka-niida	Miyagi	Japan	Village	-	123 km
Takaru	Yamagata	Japan	Village	-	132 km
Narage	Yamagata	Japan	Village	-	135 km
Yamadera	Yamagata	Japan	Village	-	136 km
Yamagata	Yamagata	Japan	Major city	250000 people	140 km
Kaminoyama	Yamagata	Japan	Village	36000 people	141 km
Tendo	Yamagata	Japan	Village	59000 people	142 km
Higashine	Yamagata	Japan	Village	45000 people	146 km
Yamabe	Yamagata	Japan	Village	-	147 km
Yachi	Yamagata	Japan	Village	-	151 km
Sagae	Yamagata	Japan	Village	43000 people	151 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
Sendai	SDJ	5	Civ.	Paved	Yes	9800	90 km
Matsushima		2	Civ.	Paved	Yes	8800	92 km
Kasuminome		5				0	95 km
Junmachi	GAJ	108	Civ.	Paved	Yes	6500	146 km

Ports

Name	LOCODE	Country	Distance
Soma	JPSMA	Japan	73 km
Ishinomaki	JPISM	Japan	88 km
Shiogama	JPSGM	Japan	95 km

Dams

Reservoir	Dam Name	River	Year	Distance
Yokokawa	Yokokawa	Otagawa	1983	78 km
Takanokura	Takanokura	Mizunashigawa	1975	79 km
Ogaki	Ogaki	Ukedogawa	1985	82 km
Sakashita	Sakashita	Okawaragawa	1973	82 km
Tamanotameike	Tamano	Udagawa	1945	92 km
Tarumizuko	Tarumizu	Masudagawa	1976	98 km
Kamafusako	Kamafusa	Goishigawa	1970	110 km
Kawarago	Kawarago	Shiroishigawa	1968	116 km
Nanatsumoriko	Minamikawa	Minamikawa	1987	116 km
Okurako	Okura	Okuragawa	1961	117 km
Nanakita	Nanakita	Nanakitagawa	1984	117 km

Nuclear plants

Name	Country	Reactors	Distance
FUKUSHIMA-DAIICHI	JAPAN	6	73 km
FUKUSHIMA-DAINI	JAPAN	4	79 km
ONAGAWA	JAPAN	3	81 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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