Overall Green Earthquake alert in South Georgia and the South Sandwich Islands on 19 Aug 2016 07:32 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 7.4 in South Georgia and the South Sandwich Islands on 19 Aug 2016 07:32 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:	7.4M
Depth:	10 Km
Lat/Lon:	-55.2793 , -31.874
Event Date:	19 Aug 2016 07:32 UTC 19 Aug 2016 05:32 Local
Exposed Population:	No people within 100km
Source:	NEIC us10006exl
Inserted at:	19 Aug 2016 09:06 UTC

GDACS Score

For more info on GDACS alert score click here.

	Earthquake	Tsunami		GDACS score
NEIC	0	0		0.5
us10006exl	Scaled population (vector)	Max wave scenario	0m
	C1 earthquake	Max wave realtime	0m
	C2 earthquake
	Country Vulnerability
	INFORM_normalised

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	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1137078	0.5	19 Aug 2016 07:32	7.4M, 10km	N/A	No people affected (in 100km)	0.1m (at 01:58)	00:08	GEOFON
1137082	0.5	19 Aug 2016 07:32	7.4M, 10km	N/A	No people affected (in 100km)	0.1m (at 01:58)	00:21	NEIC
1137102	0.5	19 Aug 2016 07:32	7.4M, 10km	N/A	No people affected (in 100km)	0m (at 00:00)	01:33	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
	no people

Shakemaps Timeline

Alert	Shake id #	Score	episodeid	Lat/Lon	Magnitude	Depth	Max MMI	Date shake (UTC)	Delay (hh:mm)
	1	0	1137102	-55.279/-31.874	7.4	10	0	13 Oct 2016 15:14	55d 07:42	(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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