Overall Green Earthquake alert in Japan from 12 Mar 2011 02:43 UTC to 02:47

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 5.6 in Japan from 12 Mar 2011 02:43 UTC to 02:47

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.

Updated: this report is based on episode 1.

Earthquake Magnitude:	5.6M
Depth:	Km
Lat/Lon:	37.6172 , 143.696
Event Date:	12 Mar 2011 02:47 UTC 12 Mar 2011 12:47 Local
Exposed Population:	no people within 100km
Source:	NEIC
Inserted at:	12 Mar 2011 03:10 UTC

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
NEIC	0.5		0.5
	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	Score	Date	Mag, Depth	MMI*	Population**	Delay (hh:mm)	Source
105029	0.5	12 Mar 2011 02:43	5.2M, 40km	N/A	370 thousand (in 100km)	00:09	JMA
105033	0.5	12 Mar 2011 02:47	5.6M, 25.7km	N/A	No people affected (in 100km)	00:22	NEIC
105034	0.5	12 Mar 2011 02:43	5M, 25.3km	N/A	480 thousand (in 100km)	00:31	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 Shirahama, Oishi, Heida, Sakihama, Koyatori, Oura, Anto, Kamaishi, Kojirahama, Kami-Heida, and Kurosaki.

Radius	Population
100 km	320000 people
75 km	130000 people
50 km	no 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
Shirahama	Iwate	Japan	Village	-	52 km
Oishi	Iwate	Japan	Village	-	53 km
Heida	Iwate	Japan	Village	-	55 km
Sakihama	Iwate	Japan	Village	-	55 km
Koyatori	Iwate	Japan	Village	-	55 km
Oura	Iwate	Japan	Village	-	56 km
Anto	Iwate	Japan	Village	-	56 km
Kamaishi	Iwate	Japan	City	42000 people	56 km
Kojirahama	Iwate	Japan	Village	-	56 km
Kami-Heida	Iwate	Japan	Village	-	56 km
Sukuiso	Iwate	Japan	Village	-	56 km
Hakozaki	Iwate	Japan	Village	-	56 km
Kirikiri	Iwate	Japan	Village	-	57 km
Ryoishi	Iwate	Japan	Village	-	58 km
Funakoshi	Iwate	Japan	Village	-	58 km
Hongo	Iwate	Japan	Village	-	59 km
Unozumai	Iwate	Japan	Village	-	59 km
Koishihama	Iwate	Japan	Village	-	59 km
Nonomae	Iwate	Japan	Village	-	59 km
Urahama	Iwate	Japan	Village	-	59 km
Okkirai	Iwate	Japan	Village	-	60 km
Okubo	Iwate	Japan	Village	-	60 km
Shimo-Horei	Iwate	Japan	Village	-	60 km
Osawa	Iwate	Japan	Village	-	61 km
Ryori	Iwate	Japan	Village	-	62 km
Yamada	Iwate	Japan	Village	20000 people	63 km
Otsuchi	Iwate	Japan	Village	16000 people	63 km
Fudaba	Iwate	Japan	Village	-	63 km
Tatamiishi	Iwate	Japan	Village	-	64 km
Attari	Iwate	Japan	Village	-	64 km
Ishihama	Iwate	Japan	Village	-	64 km
Sekizawa	Iwate	Japan	Village	-	65 km
Hinata	Iwate	Japan	Village	-	65 km
Nagasaki	Iwate	Japan	Village	-	65 km
Ofunato	Iwate	Japan	Village	37000 people	67 km
Shimo-Funato	Iwate	Japan	Village	-	68 km
Unata	Iwate	Japan	Village	-	68 km
Shimo-Yashiki	Iwate	Japan	Village	-	68 km
Sakari	Iwate	Japan	Village	-	69 km
Hosaura	Iwate	Japan	Village	-	69 km
Dogahana	Iwate	Japan	Village	-	69 km
Hashino	Iwate	Japan	Village	-	69 km
Kogakuchi	Iwate	Japan	Village	-	70 km
Sawa	Iwate	Japan	Village	-	70 km
Kurosaki	Iwate	Japan	Village	-	70 km

see full list

Critical infrastructure

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

Ports

Name	LOCODE	Country	Distance
Kamaishi	JPKIS	Japan	56 km
Yamada		Japan	61 km
Ofunato	JPOFT	Japan	67 km
Miyako	JPMYK	Japan	75 km
Kesennuma Ko		Japan	82 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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