Overall Green Earthquake alert in South Sandwich Islands Region on 04 Apr 2017 13:53 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 5.6 in South Sandwich Islands Region on 04 Apr 2017 13:53 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:	5.6M
Depth:	16.93 Km
Lat/Lon:	-55.6173 , -29.9999
Event Date:	04 Apr 2017 13:53 UTC 04 Apr 2017 11:53 Local
Exposed Population:	No people within 100km
Source:	NEIC us10008eak
Inserted at:	04 Apr 2017 19:03 UTC
INFORM Coping capacity of the alert score:	1.1 ()

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
NEIC	0		0
us10008eak	Scaled population (vector)	0
	C1 earthquake	1
	C2 earthquake	0
	Country Vulnerability	0
	INFORM_normalised	1

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
1162777		0	04 Apr 2017 13:53	5.6M, 10km	N/A	No people affected (in 100km)		00:18	NEIC
1162808		0	04 Apr 2017 13:53	5.6M, 16.93km	2.82	N/A (in MMI>=VII)		05:09	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

Shakemaps Timeline

Shake id #	episodeid	Lat/Lon	Magnitude	Depth	Max MMI	Date shake (UTC)	Delay (hh:mm)
1	1162777	-55.618/-30.062	5.6	10	0	04 Apr 2017 14:24	00:31	(new episode)
2	1162777	-55.618/-30.062	5.6	10	0	04 Apr 2017 15:54	02:01	(upd of #1)
3	1162808	-55.617/-30	5.6	16.93	2.82	04 Apr 2017 19:03	05:10	(new episode)

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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