Overall Green Earthquake alert in Tonga on 24 Apr 2017 22:18 UTC

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 4.9 in Tonga on 24 Apr 2017 22:18 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 1111080
Earthquake Magnitude:	4.9M
Depth:	55.22 Km
Lat/Lon:	-16.1245 , -173.6514
Event Date:	24 Apr 2017 22:18 UTC 25 Apr 2017 11:18 Local
Exposed Population:	About 1000 people within 100km
Inserted at:	24 Apr 2017 22:42 UTC
INFORM Coping capacity:	1.1 (Tonga)

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
NEIC	0		0
us10008kdl	Scaled population (vector)	0
	C1 earthquake	1
	C2 earthquake	0
	Country Vulnerability	0
	INFORM_normalised	1

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

Centro de Chile sintió sismo de 5.8 grados 4/28/2017 10:04:00 PM.

Un sismo de 5.8 grados se sintió a las 12H30 hora local en la zona central de Chile, según detalló la Oficina Nacional de Emergencia del Ministerio del Interior y Seguridad Pública (Onemi) en su cuenta de Twitter. De acuerdo con el Cent

...(more)

Cadena de sismos sacude la zona central de Chile 4/28/2017 10:00:00 PM.

Derechos de autor de la imagen Reuters Image caption Medios locales reportan preocupación en los pobladores, quienes temen que la ola de movimientos tectónicos sea el anticipo de un terremoto más grande. Una cadena de temblores sacudió la c

...(more)

View more news

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

Analytical products

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),

Disclaimer
While we try everything to ensure accuracy, this information is purely indicative and should not be used for any decision making without alternate sources of information.
The JRC is not responsible for any damage or loss resulting from the use of the information presented on this website.
The designations employed and the presentation of material on the map do not imply the expression of any opinion whatsoever on the part of the European Union concerning the legal status of any country, territory or area or of its authorities, or concerning the delimitation of its frontiers or boundaries.