Overall Green Earthquake alert in Japan on 19 Dec 2016 16:41 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 5.5 in Japan on 19 Dec 2016 16:41 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:	5.5M
Depth:	14.37 Km
Lat/Lon:	37.4113 , 141.5183
Event Date:	19 Dec 2016 16:41 UTC 20 Dec 2016 01:41 Local
Exposed Population:	490000 people within 100km
Source:	NEIC us200082kx
Inserted at:	19 Dec 2016 18:12 UTC

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
NEIC	0		0
us200082kx	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.

ShakeMap is a product of the USGS Earthquake Hazards Program in conjunction with the regional seismic networks. ShakeMaps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes.

Episode Timeline

ID	Alert	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1151250		0	19 Dec 2016 16:41	5.5M, 27.29km	3.97	560 thousand (in 100km)		00:21	NEIC
1151253		0	19 Dec 2016 16:41	5.5M, 14.37km	4.15	490 thousand (in 100km)		01:31	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 ,of Tohoku (population 241,114) . The alertlevel for this event is Green

Intensity	Population
	no people

Shakemaps Timeline

Alert	Shake id #	Score	episodeid	Lat/Lon	Magnitude	Depth	Max MMI	Date shake (UTC)	Delay (hh:mm)
	1	0	1151250	37.454/141.492	5.5	27.29	3.97	19 Dec 2016 17:04	00:23	(new episode)
	2	0	1151253	37.411/141.518	5.5	14.37	4.15	19 Dec 2016 18:13	01:32	(new episode)

Affected Provinces

Intensity	Region Province	Country	Population
	Tohoku	Japan	240000 people
	Tohoku	Japan	240000 people

Affected populated places. Areas of interest

Name	Region Province	Country	City class	Population	Distance
Tomioka	Fukushima	Japan	Village	-	46 km
Tomioka	Fukushima	Japan	Village	-	46 km
Namie	Fukushima	Japan	Village	22000 people	47 km
Namie	Fukushima	Japan	Village	22000 people	47 km
Odaka	Fukushima	Japan	Village	-	50 km
Odaka	Fukushima	Japan	Village	-	50 km
Yotsukura	Fukushima	Japan	Village	-	55 km
Yotsukura	Fukushima	Japan	Village	-	55 km
Haramachi	Fukushima	Japan	Village	47000 people	56 km
Haramachi	Fukushima	Japan	Village	47000 people	56 km
Kashima	Fukushima	Japan	Village	-	58 km
Kashima	Fukushima	Japan	Village	-	58 km
Taira	Fukushima	Japan	City	-	66 km
Taira	Fukushima	Japan	City	-	66 km
Nakumura	Fukushima	Japan	Village	-	68 km
Nakumura	Fukushima	Japan	Village	-	68 km

see full list

Critical infrastructure

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

Dams

Intensity	Reservoir	Dam Name	River	Year	Distance
	Sakashita	Sakashita	Okawaragawa	1973	51 km
	Sakashita	Sakashita	Okawaragawa	1973	51 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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