Overall Green Earthquake alert in Japan on 07 Feb 2016 10:26 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 07 Feb 2016 10:26 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:	49.94 Km
Lat/Lon:	36.0021 , 139.9827
Event Date:	07 Feb 2016 10:26 UTC 07 Feb 2016 19:26 Local
Exposed Population:	40045744 people within 100km
Source:	NEIC
Inserted at:	07 Feb 2016 10:51 UTC

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
NEIC	0		0
	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
1118766		0	07 Feb 2016 10:26	4.6M, 49.94km	N/A	40 million (in 100km)		00:24	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 Kami-Naganuma, Obari, Shimana, Goka, Yatabe, Oyama, Matate, Hinosawa, Noda, Kamigo, and Maebashi.

Radius	Population
100 km	41.1 million people
75 km	35 million people
50 km	20 million people
20 km	1.9 million people
10 km	230000 people
5 km	63000 people
2 km	8300 people

Affected Provinces

Region Province	Country	Population
Kanto	Japan	38.5 million people

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Kami-Naganuma	Ibaraki	Japan	Village	-	3 km
Obari	Ibaraki	Japan	Village	-	5 km
Shimana	Ibaraki	Japan	Village	-	8 km
Goka	Ibaraki	Japan	Village	-	8 km
Yatabe	Ibaraki	Japan	Village	-	9 km
Oyama	Ibaraki	Japan	Village	-	9 km
Matate	Ibaraki	Japan	Village	-	10 km
Hinosawa	Ibaraki	Japan	Village	-	11 km
Noda	Chiba	Japan	City	120000 people	12 km
Kamigo	Ibaraki	Japan	Village	-	12 km
Fujishiro	Ibaraki	Japan	Village	33000 people	12 km
Ishige	Ibaraki	Japan	Village	25000 people	13 km
Kami-Hirooka	Ibaraki	Japan	Village	-	14 km
Kutsukake	Ibaraki	Japan	Village	-	14 km
Saheita-Shinden	Ibaraki	Japan	Village	-	14 km
Ushiku	Ibaraki	Japan	Village	79000 people	14 km
Abiko	Chiba	Japan	City	130000 people	15 km
Hoshubana	Chiba	Japan	Village	-	15 km
Oigo	Ibaraki	Japan	Village	-	15 km
Hojubana	Saitama	Japan	Village	-	16 km
Yoshinuma	Ibaraki	Japan	Village	-	16 km
Arakawa-Oki	Ibaraki	Japan	Village	-	17 km
Zodo	Ibaraki	Japan	Village	-	17 km
Yoshikawa	Saitama	Japan	Village	60000 people	18 km
Ozone	Ibaraki	Japan	Village	-	18 km
Jikkoku	Ibaraki	Japan	Village	-	18 km
Sakura	Ibaraki	Japan	Village	-	18 km
Ikku	Ibaraki	Japan	Village	-	19 km
Wakaguri	Ibaraki	Japan	Village	-	19 km
Sakai	Ibaraki	Japan	Village	26000 people	20 km
Hiratsuka	Ibaraki	Japan	Village	-	20 km
Shimotsuma	Ibaraki	Japan	Village	37000 people	20 km
Sekiyado	Chiba	Japan	Village	30000 people	20 km
Oda	Ibaraki	Japan	Village	-	21 km
Fujisawa	Ibaraki	Japan	Village	-	21 km
Takasai	Ibaraki	Japan	Village	-	21 km
Hojo	Ibaraki	Japan	Village	-	21 km
Toshima	Saitama	Japan	Village	-	21 km
Onna	Ibaraki	Japan	Village	-	22 km
Fukawa	Ibaraki	Japan	Village	-	22 km
Ryugaski	Ibaraki	Japan	Village	-	22 km
Numakage	Ibaraki	Japan	Village	-	22 km
Suginoya	Ibaraki	Japan	Village	-	22 km
Horage	Ibaraki	Japan	Village	-	23 km
Sawabe	Ibaraki	Japan	Village	-	23 km
Omori	Chiba	Japan	Village	-	23 km
Tsukazaki	Ibaraki	Japan	Village	-	23 km
Narita-Shinden	Ibaraki	Japan	Village	-	24 km
Doyobu	Ibaraki	Japan	Village	-	25 km
Kurokoma	Ibaraki	Japan	Village	-	25 km
Nakanuki	Ibaraki	Japan	Village	-	25 km
Hongo	Ibaraki	Japan	Village	-	25 km
Wakayagi	Ibaraki	Japan	Village	-	25 km
Nire	Ibaraki	Japan	Village	-	25 km
Tsukuba	Ibaraki	Japan	City	180000 people	26 km
Kami-Oshima	Ibaraki	Japan	Village	-	26 km
Emura	Ibaraki	Japan	Village	-	26 km
Matsudo	Chiba	Japan	City	460000 people	26 km
Busshoji	Ibaraki	Japan	Village	-	26 km
Shinjuku-Shinden	Ibaraki	Japan	Village	-	27 km
Morokawa	Ibaraki	Japan	Village	-	27 km
Kamagaya	Chiba	Japan	City	110000 people	27 km
Kurogo	Ibaraki	Japan	Village	-	27 km
Higashi-Hozui	Ibaraki	Japan	Village	-	28 km
Ebigashima	Ibaraki	Japan	Village	-	28 km
Sekimoto	Ibaraki	Japan	Village	-	28 km
Kihara	Ibaraki	Japan	Village	-	28 km
Kuki	Saitama	Japan	Village	72000 people	29 km
Kami-Wada	Ibaraki	Japan	Village	-	29 km
Sakihama	Ibaraki	Japan	Village	-	29 km
Uruido	Saitama	Japan	Village	-	29 km
Obata	Ibaraki	Japan	Village	-	29 km
Kurihashi	Saitama	Japan	Village	28000 people	29 km
Tsuchida	Ibaraki	Japan	Village	-	30 km
Shimo-Nodono	Ibaraki	Japan	Village	-	30 km
Kozutsumi	Ibaraki	Japan	Village	-	30 km
Ryugasaki	Chiba	Japan	Village	85000 people	30 km
Takei	Ibaraki	Japan	Village	-	30 km
Hinokuchi	Saitama	Japan	Village	-	30 km
Kami-aoki	Saitama	Japan	Village	-	30 km
Naka-Shizuku	Ibaraki	Japan	Village	-	31 km
Edosaki	Ibaraki	Japan	Village	21000 people	31 km
Sairaoka	Saitama	Japan	Village	-	31 km
Yaida	Ibaraki	Japan	Village	-	31 km
Kawamata	Ibaraki	Japan	Village	-	32 km
Ichikawa	Chiba	Japan	City	460000 people	32 km
Minami-Izumi	Tochigi	Japan	Village	-	32 km
Iioka	Ibaraki	Japan	Village	-	32 km
Kanokubo	Ibaraki	Japan	Village	-	32 km
Chiba-nyutaun	Chiba	Japan	Village	-	32 km
Kakioka	Ibaraki	Japan	Village	-	32 km
Sakunoya	Ibaraki	Japan	Village	-	32 km
Koga	Ibaraki	Japan	City	57000 people	32 km
Uwaso	Ibaraki	Japan	Village	-	33 km
Owada	Ibaraki	Japan	Village	-	33 km
Kita-Hirano	Saitama	Japan	Village	-	33 km
Honden	Saitama	Japan	Village	-	33 km
Funabashi	Chiba	Japan	City	560000 people	34 km
Shimodate	Ibaraki	Japan	City	63000 people	34 km
Ishioka	Ibaraki	Japan	Village	52000 people	34 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
Chiba-ken		19				0	16 km
		26				0	19 km
Shimofusa		30	Civ.	Paved	Yes	7300	23 km
Ryugasaki		2				0	25 km
Ryugasaki South		2				0	27 km
Honda		12				0	42 km
Shimoshizu		30				0	42 km
Hyakuri		32	Mil.	Paved	Yes	8800	44 km
Tokyo Narita International	NRT	42	Civ.	Paved	Yes	13100	45 km
Onishi		20				0	52 km
Tokyo Haneda International	HND	7	Civ.	Paved	Yes	9800	53 km
Suzumenomiya		82				0	54 km
Iruma		91	Mil.	Paved	Yes	6500	55 km
Chofu		41	Civ.	Paved	No	3200	55 km
Utsunomiya	QUT	102	Civ.	Paved	Yes	5500	58 km
Shimo Kolzumi		30				0	60 km
Tachikawa		95				0	62 km
Yokota AFB	OKO	139	Mil.	Paved	Yes	11000	64 km
Kisarazu		3	Mil.	Paved	Yes	6000	67 km
Yokohama	YOK	unknown				0	67 km
Katsner AAF		109	Civ.	Paved	No	1900	76 km
Atsugi	NJA	62	Mil.	Paved	Yes	7900	78 km
Otawara		201				0	96 km

Ports

Name	LOCODE	Country	Distance
Katunan Ko		Japan	37 km
Tokyo	JPTYO	Japan	38 km
Ogasawara	JPOGA	Japan	40 km
Anegasaki	JPANE	Japan	45 km
Chiba	JPCHB	Japan	46 km
Goi	JPGOI	Japan	53 km
Kawasaki	JPKWS	Japan	56 km
Kashima	JPKSM	Japan	65 km
Yokohama	JPYOK	Japan	68 km
Kisarazu	JPKZU	Japan	68 km
Neghisi	JPNGI	Japan	74 km
Hitachi	JPHTC	Japan	80 km
Choshi	JPCHO	Japan	82 km
Yokosuka	JPYOS	Japan	85 km
Kurihama	JPKRH	Japan	92 km

Dams

Reservoir	Dam Name	River	Year	Distance
Miyukiko	Gongendochosetsuchi	Nakagawa	1991	27 km
Yanakako	Wataraseyusuichi	Watarasegawa	1989	35 km
Kasumigaura	Kasumigaura-Kaihatsu	Tonegawa	1995	48 km
Tamako	Murayamashimo	Tamagawa	2008	56 km
Sayamako	Yamaguchi	Tamagawa	2002	57 km
Tamako	Murayamakami	Tamagawa	1924	58 km
Yamakura	Yamakura	Yamakuragawa	1964	59 km
Jajanboike	Kozogawa	Kozogawa	1985	59 km
Miyazawako	Miyazawatameike	Koazegawa	1941	61 km
Takatakiko	Takataki	Yorogawa	1990	73 km
Naguriko	Arima	Arimagawa	1985	74 km
Tsukuiko	Shiroyama	Sagamigawa	1964	78 km
Kori	Kori	Korigawa	1972	79 km
Kusakiko	Kusaki	Watarasegawa	1976	82 km
Sagamiko	Sagami	Sagamigawa	1947	83 km
Miyagaseko	Miyagase	Nakatsugawa	2001	84 km
Kameyamako	Kameyama	Obitsugawa	1980	86 km
Okutamako	Ogohchi	Tamagawa	1957	87 km
Kannako	Shimokubo	Kannagawa	1968	88 km
Higashikoyako	Nishiarakawa	Nishiarakawa	1967	92 km
Chuzenjiko	Chuzenji	Daiyagawa	1998	93 km
Ono	Ono	Yatagawa	1914	94 km
Terayama	Terayama	Miyakawa	1984	95 km
Imaichichoseichi	Imaichi	Togawa	1988	96 km
Chichibuko	Futase	Arakawa	1961	97 km
Sakuma	Sakuma	Okuzuregawa	1990	98 km
Kuriyamachoseichi	Kuriyama	Nebesawagawa	1988	99 km
Makabechoseichi	Makabe	Tonegawa	1928	100 km

Nuclear plants

Name	Country	Reactors	Distance
TOKAI	JAPAN	3	76 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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