M 4.9 in Tonga on 23 Aug 2016 09:02 UTC

Event summary

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

GDACS ID EQ 1092373
Earthquake Magnitude: 4.9M
Depth: 10 Km
Lat/Lon: -20.3059 , -173.2483
Event Date: 23 Aug 2016 09:02 UTC
22 Aug 2016 21:02 Local
Exposed Population:
No people within 100km
Inserted at: 23 Aug 2016 10:12 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake GDACS score
NEIC 0 0
us10006fya Scaled population (vector) n.a  
  C1 earthquake n.a  
  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, 2024. 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

Articles: 539 | About casualties: 116 | Last hour: 0

Japan holds largest quake drillSat, 27 Aug 2016 08:45:00 +0200.

Over four thousand people participated in a largest-scale earthquake drill in the center of Tokyo on Friday (August 26), simulating a 7.2 magnitude earthquake hitting the nation's capital. The drill was held in Ginza, a high-end shopping an
...(more)
Many factors in survival of quake victimsSat, 27 Aug 2016 07:46:00 +0200.

Associated Press. NEW YORK. How long can people survive in the rubble of an earthquake? A week or more under the best circumstances, some experts say. That means the trapped victims aren’t seriously injured, they have air to breathe and the
...(more)
SCUOLA/ Le colpe gravi dei prof di lettereSat, 27 Aug 2016 06:52:00 +0200.

(Di sabato 27 agosto 2016) La SCUOLA sembra funzionare in modo esattamente contrario all'essere umano. Basta osservare come gli studenti parlano degli autori che leggono. Di chi è la colpa? GIANLUCA ZAPPA(Pubblicato il Sat, 27 Aug 2016 06:0
...(more)
Survival of buried quake victims depends on many factorsSat, 27 Aug 2016 06:46:00 +0200.

NEW YORK – How long can people survive in the rubble of an earthquake? A week or more under the best circumstances, some experts say, if the trapped victims aren’t seriously injured and have air to breathe and the weather isn’t too hot or t
...(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 (41), (3), NEIC (4), OCHA (1), INGV (1), WMO (1), INFORM (2), USGS (2),