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.

Overall Green Earthquake alert in Vanuatu on 09/03/2012 07:09 UTC
Tsunami calculation for earthquake Earthquake in Vanuatu

The JRC has developed a global tsunami wave height calculation model, which is run after each earthquake issued by seismological institutes around the world.

This report is for earthquake episode 115369 of event 115365 issued at 09/03/2012 07:09 (GDACS Event ID 115365, Latest episode ID: 115369).


Current impact estimate:

  • The maximum Tsunami wave height is  0.2m in Isavai, Vanuatu. This height is estimated for 08 Apr 2012 08:09:00.
  • Green alert in Vanuatu on 09/03/2012 07:09:53 UTC
  • About 28000 people within 100km
  • Magnitude 6.7M, Depth:31.7km
A pre-calculated grid scenario is also available here
Population density map


Tsunami maximum wave height
Tsunami maximum wave height (Source: JRC)

See animation

Affected locations

Date Name Country Tsunami wave height (m)
08 Apr 2012 08:09:00 Isavai Vanuatu  0.2m
08 Apr 2012 08:22:00 Lowkahmal Vanuatu  0.1m
08 Apr 2012 08:16:00 Lownepina Vanuatu  0.1m
08 Apr 2012 08:18:00 Waisisi Vanuatu  0.1m
08 Apr 2012 08:46:00 Isangel Vanuatu  0.1m
08 Apr 2012 08:46:00 Lenakel Vanuatu  0.1m
08 Apr 2012 08:46:00 Loanatom Vanuatu  0.1m
08 Apr 2012 08:42:00 Potnarvin Vanuatu  0.1m
08 Apr 2012 09:07:00 Emua Vanuatu  0.1m
08 Apr 2012 09:07:00 Laonomoa Vanuatu  0.1m
08 Apr 2012 09:28:00 Nekapa Vanuatu  0.1m
08 Apr 2012 08:18:00 White Sands Vanuatu  0.1m
08 Apr 2012 08:46:00 Ireupuow Vanuatu  0.1m
08 Apr 2012 08:19:00 Imwareupo Vanuatu  0.1m
Locations affected by Tsunami wave (15 of 25)

See full locations list (RSS)

Initial conditions (+)

More information

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

Official tsunami bulletins by regional warning centers can be found at the International Tsunami Information Center.