Overall Green Earthquake alert in Tonga on 28 Jul 2016 15:44 UTC

GDACS is a cooperation framework between the United Nations, the European Commission and disaster managers worldwide to improve awareness, information exchange and coordination in the first phase after major sudden-onset disasters.

M 5.1 in Tonga on 28 Jul 2016 15:44 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 1090832
Earthquake Magnitude:	5.1M
Depth:	16.44 Km
Lat/Lon:	-16.7973 , -172.4707
Event Date:	28 Jul 2016 15:44 UTC 28 Jul 2016 04:44 Local
Exposed Population:	No people within 100km
Inserted at:	28 Jul 2016 16:39 UTC

GDACS Score

For more info on GDACS alert score click here.

	Earthquake		GDACS score
NEIC	0		0
us1000683b	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, 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

Tokyo secouée par une fausse alerte de séisme géant 8/1/2016 3:44:00 PM.

Les utilisateurs de Yurekuru, qui les prévient sur leur smartphone en cas de danger, ont vu arriver un message prévenant qu'un séisme particulièrement puissant allait frapper Tokyo. La ville de Tokyo a tremblé... de peur. Une fausse aler

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Earthquake occurrence in Tonga region 8/1/2016 10:04:00 AM.

Update: 7:45PM AN earthquake occurred this evening at 05:51:27 PM local time, 447 km NE from Nukualofa, Tonga, the Mineral Resources Department Seismology unit reported. According to the Department, the moderate size earthquake with shallow

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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

Analytical products

Data, images, links, services and documents

For this events, GDACS has links to information from the following sources: EC-JRC (41), NEIC (4), OCHA (1), WMO (1), (2), INFORM (2), USGS (2),

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