Overall Green Earthquake alert in Tonga from 13 Sep 2008 19:19 UTC to 19:19

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 in Tonga from 13 Sep 2008 19:19 UTC to 19:19

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:	5.0M
Depth:	Km
Lat/Lon:	-19.99 , -177.89
Event Date:	13 Sep 2008 19:19 UTC 13 Sep 2008 07:19 Local
Exposed Population:	about 200 people within 100km
Source:	GEOFON
Inserted at:	13 Sep 2008 19:44 UTC

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
GEOFON	0.5		0.5
	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	Score	Date	Mag, Depth	MMI*	Population**	Delay (hh:mm)	Source
45525	0.5	13 Sep 2008 19:19	4.9M, 363km	N/A	Few people (in 100km)	00:15	GEOFON
45526	0.5	13 Sep 2008 19:19	5M, 288km	N/A	Few people (in 100km)	00:24	GEOFON
45529	0.5	13 Sep 2008 19:19	4.7M, 387.8km	N/A	Few people (in 100km)	01:20	NEIC
45547	0.5	13 Sep 2008 19:19	4.7M, 386km	N/A	Few people (in 100km)	10:59	EMSC

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 Tonga , of Tonga (population 98,000) .

Radius	Population
100 km	<1000 people
75 km	<1000 people
50 km	no people
20 km	no people
10 km	no people
5 km	no people
2 km	no people

Affected Provinces

Region Province	Country	Population
Tonga	Tonga	98000 people
Fiji	Fiji	760000 people

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.

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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