Overall Green Earthquake alert in Japan on 13 Aug 2013 01:01 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 13 Aug 2013 01:01 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:	94.8 Km
Lat/Lon:	38.6129 , 141.9214
Event Date:	13 Aug 2013 01:01 UTC 13 Aug 2013 10:01 Local
Exposed Population:	2222367 people within 100km
Source:	NEIC usb000j1vb
Inserted at:	13 Aug 2013 02:03 UTC

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
NEIC	-1		-1
usb000j1vb	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
1003554		-1	13 Aug 2013 01:01	4.6M, 94.8km	N/A	2.2 million (in 100km)		01:01	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 Tomarihama, Natari, Osu, Kodaki, Ozashi, Kesennuma, Sakihama, Terahama, Kumazawa, Isatomae, and Sendai.

Radius	Population
100 km	2 million people
75 km	550000 people
50 km	130000 people
20 km	no people
10 km	no people
5 km	no people
2 km	no people

Affected Provinces

Region Province	Country	Population
Tohoku	Japan	10 million people
Kanto	Japan	38.5 million people
Hokkaido	Japan	5.8 million people
Chubu	Japan	5.2 million people

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Tomarihama	Miyagi	Japan	Village	-	33 km
Natari	Miyagi	Japan	Village	-	34 km
Osu	Miyagi	Japan	Village	-	35 km
Kodaki	Miyagi	Japan	Village	-	35 km
Ozashi	Miyagi	Japan	Village	-	35 km
Kesennuma	Miyagi	Japan	Village	59000 people	35 km
Sakihama	Miyagi	Japan	Village	-	36 km
Terahama	Miyagi	Japan	Village	-	36 km
Kumazawa	Miyagi	Japan	Village	-	36 km
Isatomae	Miyagi	Japan	Village	-	36 km
Minato	Miyagi	Japan	Village	-	36 km
Ohama	Miyagi	Japan	Village	-	37 km
Aikawa	Miyagi	Japan	Village	-	37 km
Funagoshi	Miyagi	Japan	Village	-	37 km
Kuwahama	Miyagi	Japan	Village	-	37 km
Matsuzaki	Miyagi	Japan	Village	-	37 km
Tatsuhama	Miyagi	Japan	Village	-	37 km
Oya	Miyagi	Japan	Village	-	37 km
Akuao	Miyagi	Japan	Village	-	38 km
Kesaiso	Miyagi	Japan	Village	-	38 km
Uranohama	Miyagi	Japan	Village	-	39 km
Hiraiso	Miyagi	Japan	Village	-	39 km
Aratohama	Miyagi	Japan	Village	-	39 km
Izushima	Miyagi	Japan	Village	-	39 km
Terama	Miyagi	Japan	Village	-	39 km
Tsukihama	Miyagi	Japan	Village	-	40 km
Koizumi	Miyagi	Japan	Village	-	40 km
Shuku	Miyagi	Japan	Village	-	40 km
Ogatsu	Miyagi	Japan	Village	-	40 km
Tsurugaura	Miyagi	Japan	Village	-	40 km
Motoyoshi	Miyagi	Japan	Village	-	41 km
Shizugawa	Miyagi	Japan	Village	-	41 km
Nakase	Miyagi	Japan	Village	-	41 km
Tadagoe	Miyagi	Japan	Village	-	42 km
Tomari	Iwate	Japan	Village	-	42 km
Kurosaki	Iwate	Japan	Village	-	42 km
Ommaehama	Miyagi	Japan	Village	-	42 km
Yoriiso	Miyagi	Japan	Village	-	43 km
Inohana	Miyagi	Japan	Village	-	43 km
Haraigawa	Miyagi	Japan	Village	-	43 km
Oritate	Miyagi	Japan	Village	-	44 km
Aramachi	Miyagi	Japan	Village	-	44 km
Hama	Miyagi	Japan	Village	-	44 km
Nagatsura	Miyagi	Japan	Village	-	45 km
Tomari	Miyagi	Japan	Village	-	45 km
Kagamiishi	Miyagi	Japan	Village	-	45 km
Onagawa	Miyagi	Japan	Village	-	45 km
Kogakuchi	Iwate	Japan	Village	-	45 km
Magome	Miyagi	Japan	Village	-	45 km
Tsuya	Miyagi	Japan	Village	-	46 km
Samenoura	Miyagi	Japan	Village	-	46 km
Onagawahama	Miyagi	Japan	Village	-	46 km
Koharagi	Miyagi	Japan	Village	-	46 km
Yagawa	Miyagi	Japan	Village	-	47 km
Niiyama	Miyagi	Japan	Village	-	47 km
Shimo-Tsuyakawa	Iwate	Japan	Village	-	48 km
Nagasaki	Iwate	Japan	Village	-	48 km
Nojiri	Miyagi	Japan	Village	-	48 km
Hosaura	Iwate	Japan	Village	-	48 km
Otsunagi	Miyagi	Japan	Village	-	48 km
Imaizumi	Iwate	Japan	Village	-	48 km
Ryori	Iwate	Japan	Village	-	49 km
Attari	Iwate	Japan	Village	-	49 km
Nonomae	Iwate	Japan	Village	-	49 km
Shimozaike	Iwate	Japan	Village	-	49 km
Wakinosawa	Iwate	Japan	Village	-	49 km
Kitazawa	Miyagi	Japan	Village	-	49 km
Koamikura	Miyagi	Japan	Village	-	50 km
Mizunuma	Miyagi	Japan	Village	-	50 km
Tsukuya	Iwate	Japan	Village	-	50 km
Oshika	Miyagi	Japan	Village	-	50 km
Ayukawahama	Miyagi	Japan	Village	-	50 km
Shimo-Funato	Iwate	Japan	Village	-	50 km
Okubo	Iwate	Japan	Village	-	50 km
Saragai	Miyagi	Japan	Village	-	50 km
Kukunari	Miyagi	Japan	Village	-	51 km
Fukkiura	Miyagi	Japan	Village	-	51 km
Kami-Hazawa	Miyagi	Japan	Village	-	51 km
Takenohama	Miyagi	Japan	Village	-	51 km
Rikuzen-Takata	Iwate	Japan	Village	-	51 km
Oharahama	Miyagi	Japan	Village	-	51 km
Asatanuki	Miyagi	Japan	Village	-	51 km
Kobuchi	Miyagi	Japan	Village	-	51 km
Koishihama	Iwate	Japan	Village	-	52 km
Karukome	Miyagi	Japan	Village	-	52 km
Ofunato	Iwate	Japan	Village	37000 people	52 km
Kitsunezaki	Miyagi	Japan	Village	-	52 km
Kotake	Miyagi	Japan	Village	-	53 km
Kami-tsuyakawa	Iwate	Japan	Village	-	54 km
Watanoha	Miyagi	Japan	Village	-	54 km
Yanaizu	Miyagi	Japan	Village	-	54 km
Oenokawara	Miyagi	Japan	Village	-	54 km
Iinogawa	Miyagi	Japan	Village	-	54 km
Horowa	Iwate	Japan	Village	-	54 km
Shimo-orikabe	Iwate	Japan	Village	-	54 km
Suwa	Iwate	Japan	Village	-	54 km
Shimo-Horei	Iwate	Japan	Village	-	54 km
Higashi-Fukuda	Miyagi	Japan	Village	-	54 km
Uchikoshi	Iwate	Japan	Village	-	54 km
Futawatashi	Miyagi	Japan	Village	-	55 km

see full list

Critical infrastructure

Airports, ports, nuclear plants and hydrodams at risk, if affected, are listed below.

Airports

Name	Elevation (m)	Usage	Runway type	IFR	Runway Length (ft)	Distance
Matsushima	2	Civ.	Paved	Yes	8800	65 km
Ojojibara	70				0	94 km
Kasuminome	5				0	95 km

Ports

Name	LOCODE	Country	Distance
Kesennuma Ko		Japan	40 km
Onagawa	JPONG	Japan	45 km
Ofunato	JPOFT	Japan	52 km
Ishinomaki	JPISM	Japan	57 km
Kamaishi	JPKIS	Japan	73 km
Shiogama	JPSGM	Japan	84 km
Yamada		Japan	94 km

Dams

Reservoir	Dam Name	River	Year	Distance
Naganuma	Naganuma	Hazamagawa	2005	68 km
Kejonuma	Kejonuma	Tajirigawa	1995	83 km
Kurikoma	Kurikoma	Sanhazamagawa	1961	93 km
Hanayamako	Hanayama	Hazamagawa	2004	94 km
Taseko	Tase	Sarugaishigawa	1954	97 km
Nanatsumoriko	Minamikawa	Minamikawa	1987	98 km

Nuclear plants

Name	Country	Reactors	Distance
ONAGAWA	JAPAN	3	44 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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