Overall Green Earthquake alert in Japan on 22 Dec 2003 08:47 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 5.7 in Japan on 22 Dec 2003 08:47 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:	5.7M
Depth:	33 Km
Lat/Lon:	42.33 , 144.57
Event Date:	22 Dec 2003 08:47 UTC
Exposed Population:	218569 people within 100km
Source:	NEIC
Inserted at:	22 Dec 2003 11:00 UTC

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
NEIC	0.3		0.3
	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
5483		0.3	22 Dec 2003 08:47	5.7M, 33km	N/A	220 thousand (in 100km)		02:13	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 off shore.

Radius	Population
100 km	230000 people
75 km	71000 people
50 km	no people
20 km	no people
10 km	no people
5 km	no people
2 km	no people

Affected Provinces

Affected populated places

Name	Region Province	Country	City class	Population	Distance
Atoega	Hokkaido	Japan	Village	-	68 km
Kombumori	Hokkaido	Japan	Village	-	69 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
Kushiro	KUH	95	Civ.	Paved	Yes	7500	84 km

Ports

Name	LOCODE	Country	Distance
Kushiro	JPKUH	Japan	72 km
Akkeshi	JPAKE	Japan	82 km
Otsu	JPOTU	Japan	84 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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