Overall Green Earthquake alert in Japan on 02 Oct 2012 01:10 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 4.6 in Japan on 02 Oct 2012 01:10 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:	4.6M
Depth:	17.7 Km
Lat/Lon:	36.2065 , 140.937
Event Date:	02 Oct 2012 01:10 UTC 02 Oct 2012 10:10 Local
Exposed Population:	7120000 people within 100km
Source:	NEIC usc000cz99
Inserted at:	02 Oct 2012 01:30 UTC

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
NEIC	0.5		0.5
usc000cz99	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
120002		0.5	02 Oct 2012 01:10	4.6M, 17.7km	N/A	7.1 million (in 100km)		00:19	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 Kanto (population 38,543,000) . The nearest places are Dainigorisawa, Muyokama, Kyochikama, Otake, Aotsuka, Hamatsuga, Katsuori, Koya, Noda, Kamigama, and Chiba.

Radius	Population
100 km	7.2 million people
75 km	2.4 million people
50 km	900000 people
20 km	no people
10 km	no people
5 km	no people
2 km	no people

Affected Provinces

Region Province	Country	Population
Kanto	Japan	38.5 million people
Tohoku	Japan	10 million people
Chubu	Japan	5.2 million people
Kinki	Japan	22.2 million people

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Dainigorisawa	Ibaraki	Japan	Village	-	32 km
Muyokama	Ibaraki	Japan	Village	-	32 km
Kyochikama	Ibaraki	Japan	Village	-	32 km
Otake	Ibaraki	Japan	Village	-	33 km
Aotsuka	Ibaraki	Japan	Village	-	33 km
Hamatsuga	Ibaraki	Japan	Village	-	33 km
Katsuori	Ibaraki	Japan	Village	-	33 km
Koya	Ibaraki	Japan	Village	-	33 km
Noda	Ibaraki	Japan	Village	-	33 km
Kamigama	Ibaraki	Japan	Village	-	34 km
Hokota	Ibaraki	Japan	Village	28000 people	34 km
Nakaminato	Ibaraki	Japan	Village	31000 people	34 km
Natsumi	Ibaraki	Japan	Village	-	35 km
Omi	Ibaraki	Japan	Village	-	35 km
Taiyo	Ibaraki	Japan	Village	-	35 km
Narage	Ibaraki	Japan	Village	-	37 km
Oyagaw	Ibaraki	Japan	Village	-	37 km
Fuda	Ibaraki	Japan	Village	-	37 km
Asahi	Ibaraki	Japan	Village	-	37 km
Ambo	Ibaraki	Japan	Village	-	37 km
Ogushi	Ibaraki	Japan	Village	-	38 km
Kashima	Ibaraki	Japan	Village	65000 people	38 km
Kyuchu	Ibaraki	Japan	Village	-	38 km
Takata	Ibaraki	Japan	Village	-	38 km
Nagasu	Ibaraki	Japan	Village	-	38 km
Iina	Ibaraki	Japan	Village	-	39 km
Yoshikawa	Ibaraki	Japan	Village	-	39 km
Obunatsu	Ibaraki	Japan	Village	-	39 km
Nagasuna	Ibaraki	Japan	Village	-	39 km
Nakane	Ibaraki	Japan	Village	-	39 km
Morido	Ibaraki	Japan	Village	-	40 km
Yamada	Ibaraki	Japan	Village	-	40 km
Negoya	Ibaraki	Japan	Village	-	40 km
Shirane	Ibaraki	Japan	Village	-	40 km
Kofunatsu	Ibaraki	Japan	Village	-	41 km
Nekoya	Ibaraki	Japan	Village	-	42 km
Funaki	Ibaraki	Japan	Village	-	42 km
Ishiyatsudo	Ibaraki	Japan	Village	-	42 km
Aonuma	Ibaraki	Japan	Village	-	42 km
Toyooka	Ibaraki	Japan	Village	-	42 km
Torinosu	Ibaraki	Japan	Village	-	42 km
Okunoya	Ibaraki	Japan	Village	-	43 km
Obata	Ibaraki	Japan	Village	-	43 km
Kuji	Ibaraki	Japan	City	35000 people	43 km
Ebisawa	Ibaraki	Japan	Village	-	43 km
Ushibori	Ibaraki	Japan	Village	-	44 km
Mizuki	Ibaraki	Japan	Village	-	44 km
Owana	Ibaraki	Japan	Village	-	44 km
Tahiko	Ibaraki	Japan	Village	-	44 km
Yoshisawa	Ibaraki	Japan	Village	-	45 km
Kamiyama	Ibaraki	Japan	Village	-	45 km
Moto-Kawarago	Ibaraki	Japan	Village	-	46 km
Momiji	Ibaraki	Japan	Village	-	46 km
Idako	Ibaraki	Japan	Village	-	46 km
Torihada	Ibaraki	Japan	Village	-	47 km
Oshita	Ibaraki	Japan	Village	-	47 km
Kotsuru	Ibaraki	Japan	Village	-	47 km
Semba	Ibaraki	Japan	Village	-	47 km
Aso	Ibaraki	Japan	Village	-	47 km
Akiba	Ibaraki	Japan	Village	-	47 km
Yatabe	Ibaraki	Japan	Village	-	47 km
Itako	Ibaraki	Japan	Village	25000 people	47 km
Kubo	Ibaraki	Japan	Village	-	47 km
Inoue	Ibaraki	Japan	Village	-	48 km
Sugaya	Ibaraki	Japan	Village	-	48 km
Tonouchi	Ibaraki	Japan	Village	-	48 km
Narusawa	Ibaraki	Japan	Village	-	49 km
Omigawa	Chiba	Japan	City	25000 people	49 km
Mayumi	Ibaraki	Japan	Village	-	49 km
Hitachi	Ibaraki	Japan	City	180000 people	49 km
Hangu	Ibaraki	Japan	Village	-	50 km
Okunoya	Ibaraki	Japan	Village	-	50 km
Iida	Ibaraki	Japan	Village	-	50 km
Noso	Ibaraki	Japan	Village	-	51 km
Takata	Ibaraki	Japan	Village	-	51 km
Tajirihama	Ibaraki	Japan	Village	-	51 km
Iinuma	Ibaraki	Japan	Village	-	52 km
Kozura	Ibaraki	Japan	Village	-	52 km
Tamatsukuri	Ibaraki	Japan	Village	-	52 km
Katakura	Ibaraki	Japan	Village	-	52 km
Mazunochi	Ibaraki	Japan	Village	-	52 km
Ogawa	Ibaraki	Japan	Village	-	52 km
Kitanosawa	Ibaraki	Japan	Village	-	52 km
Mazaka	Ibaraki	Japan	Village	-	52 km
Ogitsu	Ibaraki	Japan	Village	-	53 km
Sanga	Ibaraki	Japan	Village	-	53 km
Koibuchi	Ibaraki	Japan	Village	-	53 km
Miyata	Ibaraki	Japan	Village	-	53 km
Choshi	Chiba	Japan	City	84000 people	53 km
Mito	Ibaraki	Japan	Major city	240000 people	53 km
Satonomiya	Ibaraki	Japan	Village	-	54 km
Nakasai	Ibaraki	Japan	Village	-	54 km
Kashiwazaki	Ibaraki	Japan	Village	-	54 km
Kawaziri	Ibaraki	Japan	Village	-	54 km
Kawajiri	Ibaraki	Japan	Village	-	54 km
Urizura	Ibaraki	Japan	Village	-	54 km
Uritsura	Ibaraki	Japan	Village	-	54 km
Tamukai	Ibaraki	Japan	Village	-	54 km
Aruga	Ibaraki	Japan	Village	-	54 km
Takane	Ibaraki	Japan	Village	-	54 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
Hyakuri		32	Mil.	Paved	Yes	8800	47 km
		26				0	70 km
Tokyo Narita International	NRT	42	Civ.	Paved	Yes	13100	70 km
Ryugasaki		2				0	71 km
Ryugasaki South		2				0	73 km
Shimoshizu		30				0	93 km
Shimofusa		30	Civ.	Paved	Yes	7300	95 km

Ports

Name	LOCODE	Country	Distance
Kashima	JPKSM	Japan	40 km
Hitachi	JPHTC	Japan	42 km
Choshi	JPCHO	Japan	53 km
Onahama	JPONA	Japan	82 km

Dams

Reservoir	Dam Name	River	Year	Distance
Kasumigaura	Kasumigaura-Kaihatsu	Tonegawa	1995	47 km
Jajanboike	Kozogawa	Kozogawa	1985	54 km
Mizunuma	Mizunuma	Hanazonokawa	1966	75 km
Shitokiko	Shitoki	Shitokigawa	1983	80 km
Takashibako	Takashiba	Samekawa	1961	86 km

Nuclear plants

Name	Country	Reactors	Distance
TOKAI	JAPAN	3	41 km

More information

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

Disclaimer
While we try everything to ensure accuracy, this information is purely indicative and should not be used for any decision making without alternate sources of information.
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