M 6.8 in Tonga from 24 Nov 2009 12:47 UTC to 12:47

Event summary

This earthquake can have a low humanitarian impact based on the magnitude and the affected population and their vulnerability.

GDACS ID EQ 69928
Earthquake Magnitude: 6.8M
Depth: 62 Km
Lat/Lon: -20.7134 , -173.432
Event Date: 24 Nov 2009 12:47 UTC
24 Nov 2009 00:47 Local
Exposed Population:
No people within 100km
Inserted at: 24 Nov 2009 13:03 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
NEIC 0 1 0.5
us2009pja1 Scaled population (vector) n.a Max wave scenario 0m  
  C1 earthquake n.a Max wave realtime 0m  
  C2 earthquake n.a      
  Country Vulnerability n.a      
  INFORM_normalised n.a      
Maximum expected impact using different data sources.
Virtual OSOCC
Meteo assessment
Satellite products
Analytical products
Detailed event map. European Union, 2026. Map produced by EC-JRC.
The boundaries and the names shown on this map do not imply official endorsement or acceptance by the European Union.

Updates on volcanic activity (Smithsonian)

Latest media headlines

Strong quake off Tonga 11/28/2009 6:16:00 PM.

Earthquakes are common in the Pacific "Ring of Fire" where continental plates in the Earth's crust meet.
Tonga warned of tsunami danger 11/27/2009 3:05:00 PM.

The head of a review committee looking at Tonga's tsunami warning system said the Pacific island kingdom's capital of Nuku'alofa is at great risk if a tidal wave strikes. Ofa Fa'anunu, director of the Tonga Meteorological Service, said on F
...(more)
Tonga warned of tsunami danger 11/27/2009 3:12:00 AM.

Bruce Hill Last Updated: Fri, 27 Nov 2009 12:50:00 +1100 The head of a review committee looking at Tonga's tsunami warning system says the country's capital is at great risk if a tidal wave strikes. Ofa Fa'anunu told Radio Australia's Pacif
...(more)
Powerful quake strikes off Tonga 11/25/2009 6:55:00 PM.

Last Updated: Wed, 25 Nov 2009 15:59:00 +1100 A powerful earthquake has occurred in the Pacific Ocean about 200 kilometres east-northeast of Tonga. The United States Geological Survey says the 6.8 magnitude quake was recorded at a depth of
...(more)

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Estimated casualties (PAGER)

USGS estimates the number of casualties for each earthquake for the Prompt Assessment of Global Earthquakes for Response (PAGER) product.
The graph shows the current fatalities estimate.

Exposed population

Data, images, links, services and documents

For this events, GDACS has links to information from the following sources: EC-JRC (81), NEIC (4), OCHA (1), WMO (2), (3), INFORM (4), USGS (2),