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 6.8 in Vanuatu from 02 Mar 2023 18:04 UTC to 18:04

Hazard models

Rapid Impact

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:	6.8M
Depth:	33 Km
Lat/Lon:	-15.5 , 166.3
Event Date:	02 Mar 2023 18:04 UTC 03 Mar 2023 05:04 Local
Exposed Population:	10 thousand in MMI VI
Source:	NTWC at00rqwnjj
Inserted at:	02 Mar 2023 18:15 UTC
INFORM Coping capacity of the alert score:	1.1 (Vanuatu)

GDACS Score

For more info on GDACS alert score click here.

	Earthquake (Rapid Impact)		Tsunami		GDACS score
NTWC	0		0.2		0.2
at00rqwnjj	Scaled population (raster)	0	Max wave alert	0.2m
	C1 rapid impact	-0.59	Max wave realtime	0.2m
	C2 rapid impact	0.53
	Country Vulnerability	0
	INFORM_normalised	1.12

Maximum expected impact using different data sources.

The green area correspond to areas affected by strong shaking (MMI VI or higher) according to the simulation.

Episode Timeline

ID	Date	Mag, Depth	MMI*	Population**	Tsunami risk***	Delay (hh:mm)	Source
1493128	02 Mar 2023 18:04	6.8M, 33km	6.48	N/A (in MMI>=VII)	0.2m (at 00:20)	00:10	PTWC
1493129	02 Mar 2023 18:04	6.8M, 33km	6.34	N/A (in MMI>=VII)	0.2m (at 00:20)	00:10	NTWC
1493132	02 Mar 2023 18:04	6.5M, 10km	5.95	N/A (in MMI>=VII)	0.2m (at 00:05)	00:21	NEIC
1493136	02 Mar 2023 18:04	6.6M, 10km	5.77	N/A (in MMI>=VII)	0.4m (at 00:07)	00:33	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.

Rapid Impact

The results presented below are calculated with the ShakeMap open source software (USGS) using only earthquake hypocenter information to provide a rapid estimation of the ground motion and shaking intensity without taking into account any instrumental observations or earthquake source scaling laws.

Exposed population

The earthquake happened in Vanuatu ,of Vanuatu (population 165,000) . The alertlevel for this event is GREEN

Intensity	Population
	13000 people
	45000 people

Affected Provinces

Intensity	Region Province	Country	Population
	Vanuatu	Vanuatu	13000 people
	Vanuatu	Vanuatu	36000 people

Affected populated places. Areas of interest

Name	Country	City class	Population	Distance
Wousi	Vanuatu	Village	-	38 km
Pualapa	Vanuatu	Village	-	44 km
Nokowula	Vanuatu	Village	-	46 km
Losoué	Vanuatu	Village	-	51 km
Tasmate	Vanuatu	Village	-	51 km
Batouna	Vanuatu	Village	-	52 km
Napvioni	Vanuatu	Village	-	52 km
Tasiriki	Vanuatu	Village	-	53 km
Olo Olo	Vanuatu	Village	-	53 km
Lowiravé	Vanuatu	Village	-	54 km
Woro	Vanuatu	Village	-	56 km
Pakatam	Vanuatu	Village	-	56 km
Vesalia	Vanuatu	Village	-	57 km
Bounanbaga	Vanuatu	Village	-	57 km
Lontigé	Vanuatu	Village	-	59 km
Wulakarakara	Vanuatu	Village	-	60 km
Maé	Vanuatu	Village	-	62 km
Bakakara	Vanuatu	Village	-	63 km
Wailapo	Vanuatu	Village	-	64 km
Wonisule	Vanuatu	Village	-	64 km
Atsaritibi	Vanuatu	Village	-	66 km
Robertsons	Vanuatu	Village	-	67 km
Papoulassemouli	Vanuatu	Village	-	68 km
Maloevole	Vanuatu	Village	-	69 km
Youelapa	Vanuatu	Village	-	69 km
Tourébiou	Vanuatu	Village	-	69 km
Nogugu	Vanuatu	Village	-	71 km
Narango	Vanuatu	Village	-	71 km
Térou	Vanuatu	Village	-	72 km
Lolominiou	Vanuatu	Village	-	73 km
Worovok	Vanuatu	Village	-	74 km
Tatafo	Vanuatu	Village	-	74 km
Tavelou	Vanuatu	Village	-	69 km
Bounahatsa	Vanuatu	Village	-	72 km
Souléiséré	Vanuatu	Village	-	74 km
Piapouria	Vanuatu	Village	-	75 km
Fwimatal	Vanuatu	Village	-	77 km
Menogoro	Vanuatu	Village	-	80 km
Ladhu	Vanuatu	Village	-	83 km
Poullappoe	Vanuatu	Village	-	85 km
Lowérié	Vanuatu	Village	-	85 km
Abnetare	Vanuatu	Village	-	86 km
Ouere	Vanuatu	Village	-	86 km
Féléa	Vanuatu	Village	-	86 km
Tambalato	Vanuatu	Village	-	86 km
Napil	Vanuatu	Village	-	87 km
Walpey	Vanuatu	Village	-	89 km
Wora	Vanuatu	Village	-	89 km
Segond	Vanuatu	Village	-	89 km
Lavatavo	Vanuatu	Village	-	91 km
Wunpuku	Vanuatu	Village	-	91 km
Luganville	Vanuatu	Village	13000 people	91 km
Coulons	Vanuatu	Village	-	94 km
Takumuna	Vanuatu	Village	-	95 km
Longtal	Vanuatu	Village	-	96 km
Iakobone	Vanuatu	Village	-	96 km
Hokua	Vanuatu	Village	-	96 km
Saraotou	Vanuatu	Village	-	96 km
Hog Harbour	Vanuatu	Village	-	97 km
Lowarhé	Vanuatu	Village	-	97 km
Palikoulo	Vanuatu	Village	-	100 km
Asavagas	Vanuatu	Village	-	103 km
Wowo	Vanuatu	Village	-	106 km
Tenmaru	Vanuatu	Village	-	111 km
Laruru	Vanuatu	Village	-	112 km
Vao	Vanuatu	Village	-	115 km
Amokh	Vanuatu	Village	-	117 km
Ellarmo	Vanuatu	Village	-	123 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
Olpoi Nw Santo	OLJ	unknown				0	74 km
Santo Pekoa International	SON	56	Civ.	Paved	Yes	6500	99 km
Big Bay	GBA	unknown				0	128 km

Ports

Name	LOCODE	Country	Distance
Hog Harbor		Vanuatu	94 km
Santo	VUSAN	Vanuatu	94 km
Turtle Bay		Vanuatu	97 km
Palikoulo Bay		Vanuatu	99 km

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.
The JRC is not responsible for any damage or loss resulting from the use of the information presented on this website.
The designations employed and the presentation of material on the map do not imply the expression of any opinion whatsoever on the part of the European Union concerning the legal status of any country, territory or area or of its authorities, or concerning the delimitation of its frontiers or boundaries.