Overall Green Earthquake alert in Japan on 25 Aug 2012 18:36 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 25 Aug 2012 18:36 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:	81.9 Km
Lat/Lon:	36.9408 , 141.052
Event Date:	25 Aug 2012 18:36 UTC 26 Aug 2012 03:36 Local
Exposed Population:	2820000 people within 100km
Source:	NEIC usc000c6zr
Inserted at:	25 Aug 2012 18:57 UTC

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
NEIC	0.5		0.5
usc000c6zr	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
119022		0.5	25 Aug 2012 18:36	5.1M, 81.9km	N/A	2.8 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 Toyoma, Ohahama, Ena, Shimo-Takaku, Onahama, Shimo-Yata, Sumiyoshi, Aratame, Taira, Obama, and Mito.

Radius	Population
100 km	2.8 million people
75 km	1.2 million people
50 km	480000 people
20 km	210000 people
10 km	5800 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

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Toyoma	Fukushima	Japan	Village	-	9 km
Ohahama	Fukushima	Japan	Village	-	9 km
Ena	Fukushima	Japan	Village	-	9 km
Shimo-Takaku	Fukushima	Japan	Village	-	13 km
Onahama	Fukushima	Japan	City	-	15 km
Shimo-Yata	Fukushima	Japan	Village	-	15 km
Sumiyoshi	Fukushima	Japan	Village	-	15 km
Aratame	Fukushima	Japan	Village	-	15 km
Taira	Fukushima	Japan	City	-	17 km
Obama	Fukushima	Japan	Village	-	17 km
Sekifune	Fukushima	Japan	Village	-	18 km
Omori	Fukushima	Japan	Village	-	18 km
Tanebe	Fukushima	Japan	Village	-	19 km
Tsuzura	Fukushima	Japan	Village	-	19 km
Yoshima	Fukushima	Japan	Village	-	21 km
Soeno	Fukushima	Japan	Village	-	22 km
Mabarado	Fukushima	Japan	Village	-	22 km
Kami-Kamato	Fukushima	Japan	Village	-	22 km
Nakayama	Fukushima	Japan	Village	-	22 km
Yotsukura	Fukushima	Japan	Village	-	24 km
Terashita	Fukushima	Japan	Village	-	24 km
Hirakata	Ibaraki	Japan	Village	-	25 km
Otsu	Fukushima	Japan	Village	-	25 km
Ueda	Fukushima	Japan	City	-	25 km
Mishima	Fukushima	Japan	Village	-	25 km
Kami-Yamoda	Fukushima	Japan	Village	-	25 km
Kubota	Fukushima	Japan	Village	-	26 km
Takahagi	Fukushima	Japan	Village	-	26 km
Arayashik	Fukushima	Japan	Village	-	27 km
Hatta	Fukushima	Japan	Village	-	27 km
Idekura	Fukushima	Japan	Village	-	28 km
Taki	Fukushima	Japan	Village	-	28 km
Ogawa	Fukushima	Japan	Village	-	28 km
Yunami	Ibaraki	Japan	Village	-	28 km
Dozan	Fukushima	Japan	Village	-	28 km
Goto	Fukushima	Japan	Village	-	30 km
Kami-Asamigawa	Fukushima	Japan	Village	-	30 km
Shuku	Ibaraki	Japan	Village	-	31 km
Kuroda	Fukushima	Japan	Village	-	31 km
Tabyuto	Fukushima	Japan	Village	-	31 km
Doyaba	Fukushima	Japan	Village	-	31 km
Iritono	Fukushima	Japan	Village	-	32 km
Shimo-Kitabo	Fukushima	Japan	Village	-	32 km
Isohara	Ibaraki	Japan	Village	-	33 km
Eda	Fukushima	Japan	Village	-	33 km
Shionohira	Fukushima	Japan	Village	-	33 km
Kisara	Ibaraki	Japan	Village	-	34 km
Uchino	Ibaraki	Japan	Village	-	34 km
Kami-Nagai	Fukushima	Japan	Village	-	35 km
Koshigoe	Ibaraki	Japan	Village	-	35 km
Nijibu	Fukushima	Japan	Village	-	35 km
Ono-Yasashi	Ibaraki	Japan	Village	-	35 km
Minami-Odaira	Fukushima	Japan	Village	-	35 km
Hokidaira	Fukushima	Japan	Village	-	35 km
Saimaru	Ibaraki	Japan	Village	-	36 km
Mizunuma	Ibaraki	Japan	Village	-	36 km
Nakadera	Fukushima	Japan	Village	-	36 km
Futta	Fukushima	Japan	Village	-	36 km
Kezuruki-Yashiki	Ibaraki	Japan	Village	-	38 km
Kitakubo	Ibaraki	Japan	Village	-	38 km
Ide	Fukushima	Japan	Village	-	38 km
Nita	Fukushima	Japan	Village	-	39 km
Yokokawa	Ibaraki	Japan	Village	-	39 km
Kaidomari	Fukushima	Japan	Village	-	39 km
Naraha	Fukushima	Japan	Village	-	39 km
Ohata	Ibaraki	Japan	Village	-	39 km
Kawamae	Fukushima	Japan	Village	-	39 km
Shinden	Fukushima	Japan	Village	-	39 km
Kami-Shigeoka	Fukushima	Japan	Village	-	40 km
Okaneda	Ibaraki	Japan	Village	-	40 km
Otojiro	Fukushima	Japan	Village	-	40 km
Kitakota	Ibaraki	Japan	Village	-	41 km
Unejiri	Fukushima	Japan	Village	-	41 km
Kami-Ichigaya	Fukushima	Japan	Village	-	41 km
Wakaguri	Ibaraki	Japan	Village	-	41 km
Yama-Ogawa	Ibaraki	Japan	Village	-	41 km
Kanari	Ibaraki	Japan	Village	-	42 km
Yanagizawa	Ibaraki	Japan	Village	-	42 km
Hama	Ibaraki	Japan	Village	-	42 km
Uzugawa	Fukushima	Japan	Village	-	43 km
Shimo-Kimida	Ibaraki	Japan	Village	-	43 km
Daibara	Fukushima	Japan	Village	-	43 km
Akagona	Fukushima	Japan	Village	-	43 km
Shimo-Misaka	Fukushima	Japan	Village	-	44 km
Shidamyo	Fukushima	Japan	Village	-	44 km
Odashiro	Fukushima	Japan	Village	-	44 km
Onida	Ibaraki	Japan	Village	-	44 km
Torizone	Ibaraki	Japan	Village	-	44 km
Tomioka	Fukushima	Japan	Village	-	44 km
Yamabe	Ibaraki	Japan	Village	-	44 km
Kawajiri	Ibaraki	Japan	Village	-	44 km
Okami	Ibaraki	Japan	Village	-	45 km
Kawaziri	Ibaraki	Japan	Village	-	45 km
Tomobe	Ibaraki	Japan	Village	-	45 km
Nagakubo	Fukushima	Japan	Village	-	46 km
Yamagani	Fukushima	Japan	Village	-	46 km
Nagura	Fukushima	Japan	Village	-	46 km
Suzudaira	Ibaraki	Japan	Village	-	46 km
Kami-misaka	Fukushima	Japan	Village	-	46 km
Matsukawa	Fukushima	Japan	Village	-	46 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
Fukushima	FKS	372	Civ.	Paved	Yes	8200	64 km
Otawara		201				0	91 km

Ports

Name	LOCODE	Country	Distance
Onahama	JPONA	Japan	13 km
Hitachi	JPHTC	Japan	62 km
Soma	JPSMA	Japan	99 km

Dams

Reservoir	Dam Name	River	Year	Distance
Takashibako	Takashiba	Samekawa	1961	29 km
Shitokiko	Shitoki	Shitokigawa	1983	30 km
Mizunuma	Mizunuma	Hanazonokawa	1966	35 km
Sakashita	Sakashita	Okawaragawa	1973	50 km
Bobatako	Sengozawa	Kitasugawa	1974	57 km
Ogaki	Ogaki	Ukedogawa	1985	66 km
Yokokawa	Yokokawa	Otagawa	1983	74 km
Takanokura	Takanokura	Mizunashigawa	1975	78 km
Jajanboike	Kozogawa	Kozogawa	1985	82 km
Fujinumachosuichi	Fujimuna	Ebanagawa	1948	86 km
Fukadachoseichi	Fukadachoseichi	Tadanogawa	1982	86 km
Hatoriko	Hatori	Tsurunumagawa	1955	94 km
Tamanotameike	Tamano	Udagawa	1945	97 km

Nuclear plants

Name	Country	Reactors	Distance
FUKUSHIMA-DAINI	JAPAN	4	42 km
FUKUSHIMA-DAIICHI	JAPAN	6	53 km
TOKAI	JAPAN	3	66 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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