Overall Green Earthquake alert in Japan on 21 Sep 2003 21:47 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 4.4 in Japan on 21 Sep 2003 21:47 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:	4.4M
Depth:	Km
Lat/Lon:	40.5 , 141.55
Event Date:	21 Sep 2003 21:47 UTC
Exposed Population:
Source:	NEIC
Inserted at:	01 Jan 1900 00:00 UTC

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
NEIC	0.5		0.5
	Scaled population (vector)	n.a
	C1 earthquake	n.a
	C2 earthquake	n.a
	Country Vulnerability	n.a
	INFORM_normalised	n.a

Maximum expected impact using different data sources.

Episode Timeline

ID	Alert	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
3997		0.5	21 Sep 2003 21:47	4.4M, 117km	N/A	No people affected (in 100km)		-21:-47	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 Tanesashi, Machibatake, Niida, Hachinohe, Shirahama, Nakaibayashi, Ishinohachi, Shidami, Sasako, Okuki, and Morioka.

Radius	Population
100 km	1.9 million people
75 km	830000 people
50 km	580000 people
20 km	280000 people
10 km	210000 people
5 km	120000 people
2 km	29000 people

Affected Provinces

Region Province	Country	Population
Tohoku	Japan	10 million people

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Tanesashi	Aomori	Japan	Village	-	1 km
Machibatake	Aomori	Japan	Village	-	1 km
Niida	Aomori	Japan	Village	-	3 km
Hachinohe	Aomori	Japan	City	240000 people	3 km
Shirahama	Aomori	Japan	Village	-	4 km
Nakaibayashi	Aomori	Japan	Village	-	5 km
Ishinohachi	Aomori	Japan	Village	-	5 km
Shidami	Aomori	Japan	Village	-	5 km
Sasako	Aomori	Japan	Village	-	6 km
Okuki	Aomori	Japan	Village	-	6 km
Tsunogaraori	Aomori	Japan	Village	-	7 km
Kaneyamasawa	Aomori	Japan	Village	-	7 km
Kanahama	Aomori	Japan	Village	-	7 km
Tatemae	Aomori	Japan	Village	-	7 km
Hararo	Aomori	Japan	Village	-	7 km
Mimigahoe	Aomori	Japan	Village	-	7 km
Toyabe	Aomori	Japan	Village	-	8 km
Takadate	Aomori	Japan	Village	-	9 km
Nishiyama	Aomori	Japan	Village	-	9 km
Nobokir	Aomori	Japan	Village	-	9 km
Tashiro	Aomori	Japan	Village	-	10 km
Okkoshi	Aomori	Japan	Village	-	10 km
Kushihiki	Aomori	Japan	Village	-	10 km
Uwano	Aomori	Japan	Village	-	10 km
Karasuzawa	Aomori	Japan	Village	-	10 km
Shiriuchi	Aomori	Japan	Village	-	11 km
Hashimukai	Aomori	Japan	Village	-	12 km
Kobashi	Aomori	Japan	Village	-	12 km
Kadonohama	Iwate	Japan	Village	-	12 km
Shiribiki	Aomori	Japan	Village	-	12 km
Taira	Aomori	Japan	Village	-	13 km
Denkiani	Iwate	Japan	Village	-	13 km
Kawajiri	Iwate	Japan	Village	-	13 km
Ichikawa	Aomori	Japan	Village	-	13 km
Take	Iwate	Japan	Village	-	14 km
Kawaguchi	Aomori	Japan	Village	-	14 km
Jonai	Iwate	Japan	Village	-	14 km
Eitukuji	Aomori	Japan	Village	-	14 km
Shimo-Yamae	Aomori	Japan	Village	-	15 km
Mita	Aomori	Japan	Village	-	15 km
Momoishi	Aomori	Japan	Village	-	15 km
Tomabechi	Aomori	Japan	Village	-	15 km
Shichimaita	Aomori	Japan	Village	-	15 km
Kami-Ichikawa	Aomori	Japan	Village	-	15 km
Furusato	Aomori	Japan	Village	-	15 km
Mugisawa	Aomori	Japan	Village	-	15 km
Ichinosawa	Aomori	Japan	Village	-	15 km
Fukuda	Aomori	Japan	Village	-	16 km
Shimoda	Aomori	Japan	Village	-	16 km
Kawasiri	Iwate	Japan	Village	-	16 km
Nagakura	Iwate	Japan	Village	-	16 km
Ogida	Aomori	Japan	Village	-	17 km
Shitogishi	Aomori	Japan	Village	-	17 km
Kinai-Nai	Aomori	Japan	Village	-	17 km
Otai	Aomori	Japan	Village	-	17 km
Kiriyanai	Aomori	Japan	Village	-	17 km
Iwanowaki	Aomori	Japan	Village	-	17 km
Omori	Aomori	Japan	Village	-	18 km
Hitokawame	Aomori	Japan	Village	-	18 km
Okubo	Iwate	Japan	Village	-	18 km
Yonezawa	Aomori	Japan	Village	-	18 km
Morikishi	Aomori	Japan	Village	-	18 km
Sasawatari	Iwate	Japan	Village	-	18 km
Tetsuzan	Iwate	Japan	Village	-	18 km
Honson	Aomori	Japan	Village	-	18 km
Kenyoshi	Aomori	Japan	Village	-	19 km
Itsukaichi	Aomori	Japan	Village	-	19 km
Futakawame	Aomori	Japan	Village	-	19 km
Izumishimizu	Aomori	Japan	Village	-	20 km
Koge	Iwate	Japan	Village	-	20 km
Araitai	Aomori	Japan	Village	-	20 km
Karoku	Iwate	Japan	Village	-	20 km
Tamagawa	Iwate	Japan	Village	-	20 km
Nyuguchi	Aomori	Japan	Village	-	21 km
Mashikonai	Iwate	Japan	Village	-	21 km
Mukaiyama	Aomori	Japan	Village	-	21 km
Taneichi	Iwate	Japan	Village	-	21 km
Koshikakezawa	Aomori	Japan	Village	-	21 km
Asamizu	Aomori	Japan	Village	-	21 km
Karumai	Iwate	Japan	Village	-	21 km
Sekiguchi	Iwate	Japan	Village	-	21 km
Furumagi	Aomori	Japan	Village	-	22 km
Gonohe	Aomori	Japan	Village	-	22 km
Sannohe	Aomori	Japan	Village	-	22 km
Kinoshita	Aomori	Japan	Village	-	22 km
Mikawame	Aomori	Japan	Village	-	22 km
Komidate	Iwate	Japan	Village	-	22 km
Inutose	Aomori	Japan	Village	-	22 km
Toya	Aomori	Japan	Village	-	22 km
Kogarumai	Iwate	Japan	Village	-	23 km
Omisawa	Aomori	Japan	Village	-	23 km
Fukaya	Aomori	Japan	Village	-	24 km
Akedo	Iwate	Japan	Village	-	24 km
Uppommatsu	Aomori	Japan	Village	-	24 km
Yamada	Iwate	Japan	Village	-	24 km
Kannombayashi	Iwate	Japan	Village	-	24 km
Yagi	Iwate	Japan	Village	-	25 km
Yokawame	Aomori	Japan	Village	-	25 km
Tegurabashi	Aomori	Japan	Village	-	25 km
Demboji	Aomori	Japan	Village	-	25 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
Hachinohe	HHE	46	Mil.	Paved	Yes	7300	9 km
Misawa Naf	MSJ	36	Mil.	Paved	Yes	10000	27 km
Aomori	AOJ	199	Civ.	Paved	Yes	8200	77 km
Ippongibara		304				0	81 km

Ports

Name	LOCODE	Country	Distance
Hachinohe	JPHHE	Japan	3 km
Fudai		Japan	65 km
Aomori	JPAOJ	Japan	76 km
Ominato	JPOMT	Japan	92 km

Dams

Reservoir	Dam Name	River	Year	Distance
Yukiyagawa	Yukiyagawa	Yukiyagawa	1976	23 km
Setsukinaidamuko	Setsukinai	Setsukinaigawa	1986	43 km
Tenma	Tenma	Tsubokawa	1968	52 km
Tanosawatameike	Tanosawatameike	Shimizugawa	1942	65 km
Shimoyuheiseiko	Shimoyu	Tsutsumigawa	1988	69 km
Fujinoko	Oana	Nishonaigawa	1933	72 km
Nijinoko	Asaseishigawa	Asaseishigawa	1988	74 km
Gandoko	Gando	Tandogawa	1960	76 km
Namioka	Namioka	Kareizawagawa	1982	78 km
Shakaike	Shakaike	Midaregawa	1945	83 km
Sotoyama	Sotoyama	Sotoyamagawa	1943	84 km
Hayaseno	Hayaseno	Nijigaigawa	1984	85 km
Nanbukatafujiko	Shijushida	Kitakamigawa	1968	90 km
Tsunatori	Tsunatori	Nagatsugawa	1982	92 km
Taiheiko	Moriyoshi	Komatagawa	1953	95 km
Fudoko	Iizume	Iizumegawa	1972	95 km
Odagawa	Odagawa	Odagawa	1975	96 km
Goshoko	Gosho	Shizukuishigawa	1981	100 km

Nuclear plants

Name	Country	Reactors	Distance
HIGASHI DORI	JAPAN	1	87 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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