Overall Green Earthquake alert in Southeast Of Honshu, Japan on 20 Sep 2016 16:21 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 6.1 in Southeast Of Honshu, Japan on 20 Sep 2016 16:21 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:	6.1M
Depth:	10 Km
Lat/Lon:	30.5374 , 142.0791
Event Date:	20 Sep 2016 16:21 UTC 21 Sep 2016 01:21 Local
Exposed Population:	No people within 100km
Source:	NEIC us10006r42
Inserted at:	20 Sep 2016 18:39 UTC

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
NEIC	0		0
us10006r42	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
1140528		0	20 Sep 2016 16:21	6M, 10km	3.1	N/A (in MMI>=VII)		00:23	NEIC
1140532		0	20 Sep 2016 16:21	6.1M, 10km	3.4	N/A (in MMI>=VII)		02:17	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 unknowed a zone. The alertlevel for this event is Green

Intensity	Population
	no people
	no people

Shakemaps Timeline

Shake id #	episodeid	Lat/Lon	Magnitude	Depth	Max MMI	Date shake (UTC)	Delay (hh:mm)
1	1140528	30.508/142.122	6	10	3.1	20 Sep 2016 16:45	00:24	(new episode)
2	1140528	30.508/142.122	6	10	3.1	20 Sep 2016 18:24	02:03	(upd of #1)
3	1140532	30.537/142.079	6.1	10	3.4	14 Oct 2016 06:03	23d 13:42	(new episode)
4	1140532	30.537/142.079	6.1	10	3.4	02 Nov 2016 08:36	42d 16:15	(upd of #3)

Affected Provinces

Critical infrastructure

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

More information

For a full list of available products related to this event, please refer to the GDACS Resources page.

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