Overall Green Earthquake in Tonga on 24 Mar 2026 04:37 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 7.5 in Tonga on 24 Mar 2026 04:37 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 1530770
Earthquake Magnitude:	7.5M
Depth:	229.5 Km
Lat/Lon:	-18.6678 , -175.5601
Event Date:	24 Mar 2026 04:37 UTC 23 Mar 2026 16:37 Local
Exposed Population:	20 thousand in MMI V
Inserted at:	24 Mar 2026 05:37 UTC
INFORM Coping capacity:	1.1 (Tonga)

GDACS Score

For more info on GDACS alert score click here.

	Earthquake (Shakemap)		Tsunami		GDACS score
NEIC	0		0		0
us7000s789	Scaled population (raster)	0	Max wave alert	0m
	C1 shakemap	0	Max wave realtime	0m
	C2 shakemap	0
	Country Vulnerability	0
	INFORM_normalised	0

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

Simon turner 3/28/2026 2:12:00 AM.

Large portions of farmland and residential areas have been decontaminated, allowing many evacuation orders to be lifted. decontaminated is a myth. Absolutely no work on the smashed NPP has had any success after 15 years. ALPs may remove ces

...(more)

5.4-magnitude quake hits 145 km E of Hihifo, Tonga -- USGS 3/28/2026 1:35:00 AM.

BEIJING, March 28 (Xinhua) -- An earthquake with a magnitude of 5.4 jolted 145 km E of Hihifo, Tonga at 2335 GMT on Friday, the U.S. Geological Survey said. The epicenter, with a depth of 10 km, was initially determined to be at 15.92 degre

...(more)

5.4-magnitude quake hits 145 km E of Hihifo, Tonga -- USGS 3/28/2026 1:34:00 AM.

BEIJING, March 28 (Xinhua) -- An earthquake with a magnitude of 5.4 jolted 145 km E of Hihifo, Tonga at 2335 GMT on Friday, the U.S. Geological Survey said. The epicenter, with a depth of 10 km, was initially determined to be at 15.92 degre

...(more)

How carnage will unfold if Iran strikes us 3/28/2026 1:16:00 AM.

If even a remote part of the Scottish Highlands were hit, it would cause national panic. Tehran’s target of choice, however, is Heathrow, the busiest airport in Europe, selected to cause carnage, stretch our emergency services and paralyse

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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 (90), NEIC (5), OCHA (1), WMO (2), USGS (5), (3), INFORM (4),

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