Overall Green Earthquake alert in Japan on 18 Sep 2018 16:21 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 5.1 in Japan on 18 Sep 2018 16:21 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:	5.1M
Depth:	50.95 Km
Lat/Lon:	38.4845 , 141.5681
Event Date:	18 Sep 2018 16:21 UTC 19 Sep 2018 01:21 Local
Exposed Population:	2700000 people within 100km
Source:	NEIC us2000hgf5
Inserted at:	18 Sep 2018 16:42 UTC
INFORM Coping capacity of the alert score	1.5 (Japan)

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
NEIC	0		0
us2000hgf5	Scaled population (vector)	6.33
	C1 earthquake	0.73
	C2 earthquake	-0.22
	Country Vulnerability	-0.71
	INFORM_normalised	0.57

Maximum expected impact using different data sources.

Episode Timeline

ID	Alert	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1228820		0	18 Sep 2018 16:21	5.1M, 50.95km	N/A	2.7 million (in 100km)		00:20	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 , Region of Tohoku (population 9,984,608) . The nearest places are Kuwahama, Kumazawa, Osu, Izushima, Tatsuhama, Terama, Ohama, Funagoshi, Ommaehama, Ogatsu, and Nakasato.

Radius	Population
100 km	2.7 million people
75 km	2.1 million people
50 km	460000 people
20 km	40000 people
10 km	5700 people
5 km	<1000 people
2 km	no people

Affected Provinces

Region Province	Country	Population
Tohoku	Japan	10 million people

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Kuwahama	Miyagi	Japan	Village	-	4 km
Kumazawa	Miyagi	Japan	Village	-	4 km
Osu	Miyagi	Japan	Village	-	5 km
Izushima	Miyagi	Japan	Village	-	5 km
Tatsuhama	Miyagi	Japan	Village	-	5 km
Terama	Miyagi	Japan	Village	-	6 km
Ohama	Miyagi	Japan	Village	-	6 km
Funagoshi	Miyagi	Japan	Village	-	7 km
Ommaehama	Miyagi	Japan	Village	-	8 km
Ogatsu	Miyagi	Japan	Village	-	8 km
Yoriiso	Miyagi	Japan	Village	-	11 km
Onagawahama	Miyagi	Japan	Village	-	12 km
Samenoura	Miyagi	Japan	Village	-	13 km
Tsukihama	Miyagi	Japan	Village	-	13 km
Nagatsura	Miyagi	Japan	Village	-	14 km
Ozashi	Miyagi	Japan	Village	-	15 km
Yagawa	Miyagi	Japan	Village	-	15 km
Aikawa	Miyagi	Japan	Village	-	15 km
Tomari	Miyagi	Japan	Village	-	15 km
Kodaki	Miyagi	Japan	Village	-	16 km
Terahama	Miyagi	Japan	Village	-	17 km
Mizunuma	Miyagi	Japan	Village	-	17 km
Onagawa	Miyagi	Japan	Village	-	17 km
Koamikura	Miyagi	Japan	Village	-	18 km
Fukkiura	Miyagi	Japan	Village	-	18 km
Takenohama	Miyagi	Japan	Village	-	18 km
Niiyama	Miyagi	Japan	Village	-	19 km
Kotake	Miyagi	Japan	Village	-	20 km
Kitsunezaki	Miyagi	Japan	Village	-	20 km
Watanoha	Miyagi	Japan	Village	-	20 km
Kobuchi	Miyagi	Japan	Village	-	20 km
Oharahama	Miyagi	Japan	Village	-	20 km
Kukunari	Miyagi	Japan	Village	-	21 km
Saragai	Miyagi	Japan	Village	-	21 km
Oritate	Miyagi	Japan	Village	-	21 km
Nojiri	Miyagi	Japan	Village	-	21 km
Ayukawahama	Miyagi	Japan	Village	-	21 km
Inai	Miyagi	Japan	Village	-	21 km
Higashi-Fukuda	Miyagi	Japan	Village	-	22 km
Oshika	Miyagi	Japan	Village	-	22 km
Iinogawa	Miyagi	Japan	Village	-	22 km
Aramachi	Miyagi	Japan	Village	-	22 km
Aratohama	Miyagi	Japan	Village	-	23 km
Shizugawa	Miyagi	Japan	Village	-	23 km
Odomari	Miyagi	Japan	Village	-	24 km
Moto-Funaba	Miyagi	Japan	Village	-	24 km
Tomarihama	Miyagi	Japan	Village	-	24 km
Kanomata	Miyagi	Japan	Village	-	24 km
Nitoda	Miyagi	Japan	Village	-	24 km
Kamata	Miyagi	Japan	Village	-	25 km
Iwasaki	Miyagi	Japan	Village	-	25 km
Ishinomaki	Miyagi	Japan	City	120000 people	25 km
Kitazawa	Miyagi	Japan	Village	-	25 km
Ikenohama	Miyagi	Japan	Village	-	25 km
Aji	Miyagi	Japan	Village	-	26 km
Isatomae	Miyagi	Japan	Village	-	26 km
Ota	Miyagi	Japan	Village	-	26 km
Futawatashi	Miyagi	Japan	Village	-	26 km
Natari	Miyagi	Japan	Village	-	27 km
Yanaizu	Miyagi	Japan	Village	-	27 km
Kagamiishi	Miyagi	Japan	Village	-	27 km
Minato	Miyagi	Japan	Village	-	28 km
Shinzan	Miyagi	Japan	Village	-	28 km
Shirotori	Miyagi	Japan	Village	-	28 km
Yamane	Miyagi	Japan	Village	-	28 km
Kami-Hazawa	Miyagi	Japan	Village	-	28 km
Haraigawa	Miyagi	Japan	Village	-	29 km
Honchi	Miyagi	Japan	Village	-	30 km
Kamimachi	Miyagi	Japan	Village	-	30 km
Sunaoshi	Miyagi	Japan	Village	-	30 km
Kesaiso	Miyagi	Japan	Village	-	30 km
Asatanuki	Miyagi	Japan	Village	-	31 km
Hirobuchi	Miyagi	Japan	Village	-	31 km
Koizumi	Miyagi	Japan	Village	-	32 km
Shinden	Miyagi	Japan	Village	-	32 km
Wabuchi	Miyagi	Japan	Village	-	32 km
Maeyachi	Miyagi	Japan	Village	-	33 km
Naka-Komatsu	Miyagi	Japan	Village	-	33 km
Morinokoshi	Miyagi	Japan	Village	-	33 km
Otsunagi	Miyagi	Japan	Village	-	33 km
Yoshizumi	Miyagi	Japan	Village	-	34 km
Maeya	Miyagi	Japan	Village	-	34 km
Motoyoshi	Miyagi	Japan	Village	-	34 km
Magome	Miyagi	Japan	Village	-	34 km
Inohana	Miyagi	Japan	Village	-	34 km
Osawa	Miyagi	Japan	Village	-	35 km
Hiraiso	Miyagi	Japan	Village	-	35 km
Karukome	Miyagi	Japan	Village	-	35 km
Nishino	Miyagi	Japan	Village	-	36 km
Moriai	Miyagi	Japan	Village	-	36 km
Hamaichi	Miyagi	Japan	Village	-	36 km
Oya	Miyagi	Japan	Village	-	36 km
Shimozaike	Iwate	Japan	Village	-	37 km
Takagi	Miyagi	Japan	Village	-	37 km
Mori	Miyagi	Japan	Village	-	37 km
Ono	Miyagi	Japan	Village	-	37 km
Oenokawara	Miyagi	Japan	Village	-	37 km
Wakuya	Miyagi	Japan	City	18000 people	37 km
Tsuya	Miyagi	Japan	Village	-	38 km
Kaminoki	Miyagi	Japan	Village	-	38 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	32 km
Kasuminome		5				0	62 km
Ojojibara		70				0	62 km
Sendai	SDJ	5	Civ.	Paved	Yes	9800	69 km

Ports

Name	LOCODE	Country	Distance
Onagawa	JPONG	Japan	11 km
Ishinomaki	JPISM	Japan	23 km
Kesennuma Ko		Japan	43 km
Shiogama	JPSGM	Japan	50 km
Ofunato	JPOFT	Japan	65 km
Soma	JPSMA	Japan	90 km
Kamaishi	JPKIS	Japan	92 km

Dams

Reservoir	Dam Name	River	Year	Distance
Naganuma	Naganuma	Hazamagawa	2005	44 km
Kejonuma	Kejonuma	Tajirigawa	1995	55 km
Nanatsumoriko	Minamikawa	Minamikawa	1987	65 km
Hanayamako	Hanayama	Hazamagawa	2004	69 km
Tarumizuko	Tarumizu	Masudagawa	1976	72 km
Kurikoma	Kurikoma	Sanhazamagawa	1961	74 km
Nanakita	Nanakita	Nanakitagawa	1984	74 km
Okurako	Okura	Okuragawa	1961	77 km
Araoko	Naruko	Eaigawa	1958	81 km
Meigenko	Urushizawa	Narusegawa	1980	82 km
Kamafusako	Kamafusa	Goishigawa	1970	82 km
Ishibuchiko	Ishibuchi	Isawagawa	1953	91 km
Senganishitameike	Senganishi	Shukunaigawa	1934	96 km
Taseko	Tase	Sarugaishigawa	1954	98 km

Nuclear plants

Name	Country	Reactors	Distance
ONAGAWA	JAPAN	3	11 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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