Overall Green Earthquake alert in Samoa on 30 Mar 2015 08:18 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 6.4 in Samoa on 30 Mar 2015 08:18 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:	6.4M
Depth:	11.5 Km
Lat/Lon:	-15.388 , -172.9038
Event Date:	30 Mar 2015 08:18 UTC 29 Mar 2015 20:18 Local
Exposed Population:	Few people within 100km
Source:	NEIC
Inserted at:	30 Mar 2015 09:39 UTC

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
NEIC	0		0
	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	Score	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1075118	0.5	30 Mar 2015 08:18	6.8M, 80km	N/A	No people affected (in 100km)	0m (at 00:00)	00:13	NTWC
1075120	0.5	30 Mar 2015 08:18	6.8M, 10.01km	N/A	Few people (in 100km)	0.3m (at 00:17)	00:23	NEIC
1075133	0	30 Mar 2015 08:18	6.4M, 11.5km	4.9	Few people (in 100km)		01:21	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 Samoa ,of Samoa (population 1,181) . 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	1075133	-15.388/-172.904	6.4	11.5	4.9	17 Oct 2016 10:29	567d 02:11	(new episode)

Affected Provinces

Intensity	Region Province	Country	Population
	Samoa	Samoa	1200 people

Affected populated places. Areas of interest

Intensity	Name	Region Province	Country	City class	Population	Distance
	Falehau		Tonga	Village	-	108 km
	Hihifo		Tonga	Village	<1000 people	112 km

see full list

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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