Overall Green Earthquake alert in Wallis and Futuna on 20 Nov 2017 18:51 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 in Wallis and Futuna on 20 Nov 2017 18:51 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:	6.0M
Depth:	6 Km
Lat/Lon:	-14.6374 , -175.0271
Event Date:	20 Nov 2017 18:51 UTC 20 Nov 2017 06:51 Local
Exposed Population:	No people within 100km
Source:	NEIC us2000brz0
Inserted at:	20 Nov 2017 20:37 UTC
INFORM Coping capacity of the alert score:	1.1 (Wallis & Futuna)

GDACS Score

For more info on GDACS alert score click here.

	Earthquake (Shakemap)		Tsunami		GDACS score
NEIC	0		0		0
us2000brz0	Scaled population (vector)	0	Max wave scenario	0m
	C1 shakemap	0	Max wave realtime	0m
	C2 shakemap	0
	Country Vulnerability	0
	INFORM_normalised	0

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	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1188514	20 Nov 2017 18:51	6.2M, 10km	N/A	No people affected (in 100km)	0m (at 00:00)	00:04	PTWC
1188517	20 Nov 2017 18:51	6M, 10km	3.73	N/A (in MMI>=VII)	0m (at 00:00)	00:19	NEIC
1188528	20 Nov 2017 18:51	6M, 6km	3.71	N/A (in MMI>=VII)	0m (at 00:00)	01:45	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 Wallis and Futuna ,of Wallis & Futuna (population 6,940) . The alertlevel for this event is GREEN

Intensity	Population
	no people
	no people
	no people

Shakemaps Timeline

Shake id #	episodeid	Lat/Lon	Magnitude	Depth	Max MMI	Date shake (UTC)	Delay (hh:mm)
1	1188517	-14.568/-175.022	6	10	3.73	20 Nov 2017 19:13	00:22	(new episode)
2	1188528	-14.568/-175.022	6	10	3.73	20 Nov 2017 20:37	01:46	(new episode)
3	1188528	-14.637/-175.027	6	6	3.71	20 Nov 2017 20:39	01:48	(upd of #2)
4	1188528	-14.637/-175.027	6	6	3.71	20 Nov 2017 20:54	02:03	(upd of #3)

Affected Provinces

Intensity	Region Province	Country	Population
	Wallis & Futuna	Wallis and Futuna	9000 people
	Samoa	Samoa	84000 people

Affected populated places. Areas of interest

Name	Country	City class	Population	Distance
Mua	Wallis and Futuna	Village	-	189 km
Mata-Utu	Wallis and Futuna	Capital	970000 people	193 km
Hihifo	Tonga	Village	<1000 people	201 km
Falehau	Tonga	Village	-	201 km
Falealupo	Samoa	Village	<1000 people	273 km
Falelima	Samoa	Village	<1000 people	275 km
Salailua	Samoa	Village	<1000 people	282 km
Gautavai	Samoa	Village	<1000 people	302 km
Matavanu Crater	Samoa	Village	-	308 km
Sasina	Samoa	Village	<1000 people	308 km
Satupaitea	Samoa	Village	-	310 km
Leagiaga	Samoa	Village	-	313 km
Fagamalo	Samoa	Village	<1000 people	318 km
Salelologa	Samoa	Village	-	321 km
Puapua	Samoa	Village	<1000 people	325 km
Tuasivi	Samoa	Village	<1000 people	326 km
Mua	Wallis and Futuna	Village	-	328 km
Samatau	Samoa	Village	<1000 people	333 km
Alo	Wallis and Futuna	Village	-	336 km
Fuailalo	Samoa	Village	-	336 km
Faleaseela	Samoa	Village	-	340 km
Fasitootai	Samoa	Village	-	342 km
Matautu	Samoa	Village	<1000 people	343 km
Saleimoa	Samoa	Village	-	352 km
Siumu	Samoa	Village	1100 people	358 km

see full list

Critical infrastructure

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

Airports

Name	IATA Code	Elevation (m)	Usage	Runway type	IFR	Runway Length (ft)	Distance
Wallis Island	WLS	24	Civ.	Paved	Yes	6500	200 km
Maota	MXS	unknown				0	316 km
Lalomalava	LAV	unknown				0	336 km
Faleolo	APW	18	Civ.	Paved	Yes	8800	338 km

Ports

Intensity	Name	LOCODE	Country	Distance
	Mata Utu		Wallis and Futuna	191 km
	Ile Futuna		Wallis and Futuna	337 km

More information

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

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