M 4.9 in Tonga on 02 Apr 2025 21:06 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 1475507
Earthquake Magnitude: 4.9M
Depth: 48.8 Km
Lat/Lon: -16.691 , -173.4629
Event Date: 02 Apr 2025 21:06 UTC
02 Apr 2025 09:06 Local
Exposed Population:
1 thousand in MMI III
Inserted at: 02 Apr 2025 21:27 UTC
INFORM Coping capacity:
1.1 (Tonga)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Rapid Impact)
GDACS score
NEIC 0 0
us6000q3iv Scaled population (vector) 0  
  C1 rapid impact 0  
  C2 rapid impact 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, 2025. 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

Terremoto Tonga, scossa di magnitudo stimata 5.4 a Pangai, tutti i det.. 4/6/2025 8:54:00 PM.

Scossa di terremoto. Una scossa di terremoto di magnitudo stimata attorno a 5.4, si è verificata alle ore 01:00 (ore 17:04 in Italia) con epicentro nei pressi di Pangai, Tonga. La profondità stimata è stata di circa 18 Km . Potete monitorar
...(more)
Strong mag. 5.2 earthquake - 163 km southwest of Nuku''alofa, Tongatap.. 4/5/2025 9:38:00 PM.

Nearby places The closest larger town where the quake might have been felt is Haveluloto , a town with 3,400 inhabitants in Tonga , in 161 km (100 mi) distance northeast of the epicenter. People likely experienced weak shaking there. In the
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Powerful Earthquake Strikes Papua New Guinea''s New Britain Region 4/5/2025 5:35:00 PM.

- The Arabian Post) A magnitude 6.9 earthquake struck off the coast of New Britain''s Kimbe town in Papua New Guinea at approximately 9:04 pm local time on April 4, 2025. The United States Geological Survey reported that the earthquake''s e
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Strong mag. 5.1 earthquake - South Pacific Ocean, 170 km east of Tofua.. 4/5/2025 10:16:00 AM.

Nearby places The closest larger town where the quake might have been felt is Fangale''ounga , a town with 2,000 inhabitants in Tonga , in 96 km (59 mi) distance west of the epicenter. People likely experienced weak shaking there. In the ca
...(more)

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),