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: -15.503 , 166.27
Event Date: 02 Mar 2023 18:04 UTC
03 Mar 2023 05:04 Local
Exposed Population: 10 thousand in MMI VI
Source: PTWC pt23061000
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
PTWC 0 0.1 0.1
pt23061000 Scaled population (vector) 0.3 Max wave alert 0.17m  
  C1 rapid impact -0.59 Max wave realtime 0.17m  
  C2 rapid impact 0.53      
  Country Vulnerability 0      
  INFORM_normalised 1.12      
Maximum expected impact using different data sources.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1493128 0.1 02 Mar 2023 18:04 6.8M, 33km N/A 10 thousand (in 100km) 0.2m (at 00:20) 00:10 PTWC
1493129 0.2 02 Mar 2023 18:04 6.8M, 33km N/A 10 thousand (in 100km) 0.2m (at 00:20) 00:10 NTWC
1493132 0.2 02 Mar 2023 18:04 6.5M, 10km 6.25 N/A (in MMI>=VII) 0.2m (at 00:05) 00:21 NEIC
1493136 0.3 02 Mar 2023 18:04 6.6M, 10km 6.05 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.

Exposed population

The earthquake happened off shore.

Radius Population
100 km 45000 people
75 km 13000 people
50 km <1000 people
20 km no people
10 km no people
5 km no people
2 km no people

Affected Provinces

Affected populated places

Name Region Province Country City class Population Distance
Wousi Vanuatu Village - 42 km
Pualapa Vanuatu Village - 47 km
Nokowula Vanuatu Village - 49 km
Tasmate Vanuatu Village - 54 km
Losoué Vanuatu Village - 54 km
Batouna Vanuatu Village - 55 km
Napvioni Vanuatu Village - 56 km
Tasiriki Vanuatu Village - 56 km
Olo Olo Vanuatu Village - 56 km
Lowiravé Vanuatu Village - 58 km
Woro Vanuatu Village - 59 km
Vesalia Vanuatu Village - 59 km
Pakatam Vanuatu Village - 60 km
Bounanbaga Vanuatu Village - 60 km
Lontigé Vanuatu Village - 62 km
Wulakarakara Vanuatu Village - 63 km
Maé Vanuatu Village - 65 km
Bakakara Vanuatu Village - 66 km
Wonisule Vanuatu Village - 66 km
Wailapo Vanuatu Village - 67 km
Atsaritibi Vanuatu Village - 69 km
Papoulassemouli Vanuatu Village - 70 km
Robertsons Vanuatu Village - 70 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 75 km

Ports

Name LOCODE Country Distance
Hog Harbor Vanuatu 97 km
Santo VUSAN Vanuatu 98 km
Turtle Bay Vanuatu 100 km

More information

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