Overall Green Earthquake alert in Japan on 25 Aug 2012 14:16 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 5.8 in Japan on 25 Aug 2012 14:16 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:	5.8M
Depth:	44.6 Km
Lat/Lon:	42.3572 , 143.011
Event Date:	25 Aug 2012 14:16 UTC 25 Aug 2012 23:16 Local
Exposed Population:	387315 people within 100km
Source:	NEIC usc000c6x6
Inserted at:	25 Aug 2012 14:32 UTC

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
NEIC	0.4		0.4
usc000c6x6	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
119019		0.4	25 Aug 2012 14:16	5.8M, 44.6km	N/A	390 thousand (in 100km)		00:16	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 Hokkaido (population 5,808,054) . The nearest places are Kami-toyoni, Panke, Toyoni, Kami mitsuishi, Oda, Nishicha, Hiroo, Samani, Taiki, Kami-notsuka, and Betchako.

Radius	Population
100 km	390000 people
75 km	330000 people
50 km	54000 people
20 km	<1000 people
10 km	no people
5 km	no people
2 km	no people

Affected Provinces

Region Province	Country	Population
Hokkaido	Japan	5.8 million people

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Kami-toyoni	Hokkaido	Japan	Village	-	14 km
Panke	Hokkaido	Japan	Village	-	21 km
Toyoni	Hokkaido	Japan	Village	-	23 km
Kami mitsuishi	Hokkaido	Japan	Village	-	24 km
Oda	Hokkaido	Japan	Village	-	25 km
Nishicha	Hokkaido	Japan	Village	-	25 km
Hiroo	Hokkaido	Japan	Village	-	26 km
Samani	Hokkaido	Japan	Village	-	26 km
Taiki	Hokkaido	Japan	Village	-	27 km
Kami-notsuka	Hokkaido	Japan	Village	-	27 km
Utabue	Hokkaido	Japan	Village	-	28 km
Urakawa	Hokkaido	Japan	Village	-	29 km
Kurambetsu	Hokkaido	Japan	Village	-	31 km
Moto-sarabetsu	Hokkaido	Japan	Village	-	32 km
Churui	Hokkaido	Japan	Village	-	33 km
Ogifushi	Hokkaido	Japan	Village	-	33 km
Kerimabu	Hokkaido	Japan	Village	-	34 km
Onitoppu	Hokkaido	Japan	Village	-	35 km
Naka-satsunai	Hokkaido	Japan	Village	-	36 km
Aiboshima	Hokkaido	Japan	Village	-	37 km
Ohira	Hokkaido	Japan	Village	-	38 km
Horoizumi	Hokkaido	Japan	Village	-	40 km
Ichibu	Hokkaido	Japan	Village	-	42 km
Yachiyo	Hokkaido	Japan	Village	-	42 km
Komahata	Hokkaido	Japan	Village	-	43 km
Higashi-shizunai	Hokkaido	Japan	Village	-	43 km
Chipira	Hokkaido	Japan	Village	-	43 km
Oikamanae	Hokkaido	Japan	Village	-	44 km
Mikawa	Hokkaido	Japan	Village	-	45 km
Kami-ibise	Hokkaido	Japan	Village	-	50 km
Taisha	Hokkaido	Japan	Village	-	50 km
Sariwarabe	Hokkaido	Japan	Village	-	50 km
Erimo	Hokkaido	Japan	Village	-	51 km
Okawa	Hokkaido	Japan	Village	-	52 km
Shizunai	Hokkaido	Japan	Village	22000 people	53 km
Kami-michibetsu	Hokkaido	Japan	Village	-	53 km
Moiwa	Hokkaido	Japan	Village	-	54 km
Kawanishi	Hokkaido	Japan	Village	-	55 km
Ushishubetsu	Hokkaido	Japan	Village	-	55 km
Niikappu	Hokkaido	Japan	Village	-	58 km
Kami-noyaushi	Hokkaido	Japan	Village	-	58 km
Kita-fushiko	Hokkaido	Japan	Village	-	59 km
Showa	Hokkaido	Japan	Village	-	59 km
Memuro	Hokkaido	Japan	Village	-	59 km
Shimo-noyaushi	Hokkaido	Japan	Village	-	61 km
Obihiro	Hokkaido	Japan	City	170000 people	63 km
Atsugacho	Hokkaido	Japan	Village	-	64 km
Otsu	Hokkaido	Japan	Village	-	64 km
Betchako	Hokkaido	Japan	Village	-	67 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
Obihiro	OBO	149	Civ.	Paved	Yes	8200	45 km
Tokachi		84	Civ.	Paved	Yes	4900	61 km
Sado Shima	SDS	unknown				0	77 km

Ports

Name	LOCODE	Country	Distance
Samani	JPSAM	Japan	27 km
Tokachi	JPTOK	Japan	28 km
Otsu	JPOTU	Japan	65 km

Dams

Reservoir	Dam Name	River	Year	Distance
Samaniko	Samani	Samanigawa	1974	20 km
Higashinosawachoseichi	Higashinosawa	Koikakushushibicharigawa	1987	23 km
Mitsuishi	Mitsuishi	Mitsuishigawa	1991	26 km
Horomanko	Horomangawadaisan	Horomangawa	1954	26 km
Takamiko	Takami	Shizunaigawa	1983	33 km
Shizunaichoseichi	Shizunai	Shizunaigawa	1966	37 km
Poroshiriko	Okunikappu	Nikappugawa	1963	45 km
Shimonikappu	Shimonikappu	Nikappugawa	1969	46 km
Niikappu	Niikappu	Niikappugawa	1974	47 km
Iwachishi	Iwachishi	Sarugawa	1958	70 km
Kuttariko	Kuttari	Tokachigawa	1987	88 km
Sahoroko	Sahoro	Sahorogawa	1984	91 km
Iwamatsuko	Iwamatsu	Tokachigawa	1943	94 km
Higashitaisetsuko	Tokachi	Tokachigawa	1984	98 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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