Overall Green Earthquake alert in Vanuatu on 07 Dec 2021 16:51 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 4.9 in Vanuatu on 07 Dec 2021 16:51 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:	4.9M
Depth:	35 Km
Lat/Lon:	-18.1077 , 168.0583
Event Date:	07 Dec 2021 16:51 UTC 08 Dec 2021 03:51 Local
Exposed Population:	80 thousand in 100km
Source:	NEIC us6000ga4b
Inserted at:	07 Dec 2021 17:20 UTC
INFORM Coping capacity of the alert score	6.1 (Vanuatu)

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
NEIC	0		0
us6000ga4b	Scaled population (vector)	4.94
	C1 earthquake	1
	C2 earthquake	0
	Country Vulnerability	0
	INFORM_normalised	1.12

Maximum expected impact using different data sources.

Episode Timeline

ID	Date	Mag, Depth	MMI*	Population**	Delay (hh:mm)	Source
1414286	07 Dec 2021 16:51	4.9M, 35km	N/A	80 thousand (in 100km)	00:29	NEIC
1414813	07 Dec 2021 16:51	4.9M, 35km	N/A	80 thousand (in 100km)	2d 04:51	NEIC
1415563	07 Dec 2021 16:51	4.9M, 38.38km	N/A	80 thousand (in 100km)	6d 05:25	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 Vanuatu , of Vanuatu (population 165,000) . The nearest places are Epantgoueï, Erakor, Matao Tiupeniu, Nanguilé, Eratap, Port-Vila, Montmartre, Mélé, Natapao, Port-Havannah, and Forari.

Radius	Population
100 km	82000 people
75 km	78000 people
50 km	31000 people
20 km	no people
10 km	no people
5 km	no people
2 km	no people

Affected Provinces

Region Province	Country	Population
Vanuatu	Vanuatu	170000 people
New Caledonia	New Caledonia	180000 people

Affected populated places

Name	Country	City class	Population	Distance
Epantgoueï	Vanuatu	Village	-	42 km
Erakor	Vanuatu	Village	-	43 km
Matao Tiupeniu	Vanuatu	Village	-	43 km
Nanguilé	Vanuatu	Village	-	46 km
Eratap	Vanuatu	Village	-	49 km
Port-Vila	Vanuatu	Capital	36000 people	49 km
Montmartre	Vanuatu	Village	-	52 km
Mélé	Vanuatu	Village	-	52 km
Natapao	Vanuatu	Village	-	58 km
Port-Havannah	Vanuatu	Village	-	63 km
Epuen	Vanuatu	Village	-	66 km
Sounaï	Vanuatu	Village	-	69 km
Forari	Vanuatu	Village	-	69 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
Port Vila Bauerfield	VLI	20	Civ.	Paved	Yes	8500	53 km
Quine Hill	UIQ	unknown				0	72 km
Lamap	LPM	unknown				0	82 km

Ports

Name	LOCODE	Country	Distance
Port Vila	VUVLI	Vanuatu	48 km
Forari Bay		Vanuatu	70 km

More information

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

Disclaimer
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