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 6.3 in Ascension Island Region on 11 Nov 2017 00:36 UTC
Tsunami calculation for earthquake Earthquake in Ascension Island Region

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 1187058 of event 1126027 issued at 11 Nov 2017 00:36 (GDACS Event ID 1126027, Latest episode ID: 1187058, inserted at 11 Nov 2017 00:57 UTC ).


Current impact estimate:

  • No content available

  • Earthquake Magnitude: 6.3M
  • Depth: 10 Km
  • Event Date: 11 Nov 2017 00:36 UTC
  • Exposed Population: No people within 100km
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)
Locations affected by Tsunami wave (15 of 0)

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.