M 6.4 Off-shore on 08 Sep 2025 21:47 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 1499452
Earthquake Magnitude: 6.4M
Depth: 10 Km
Lat/Lon: -20.9809 , 173.7581
Event Date: 08 Sep 2025 21:47 UTC
09 Sep 2025 09:47 Local
Exposed Population:
Inserted at: 08 Sep 2025 22:05 UTC
INFORM Coping capacity:
1.1 ()

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 Tsunami GDACS score
NEIC 0 0 0
us7000quvp 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, 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

La tecnología de detección de tsunamis GUARDIAN de la NASA capta una o.. 9/12/2025 8:47:00 PM.

Detectó y confirmó un tsunami hasta 45 minutos antes de la detección por mareógrafos en Hawái. Un gran terremoto y posterior tsunami ocurridos frente a las costas de Rusia a finales de julio pusieron a prueba un sistema de detección experim
...(more)
NASA detection technique is a tsunami discovery captures the wave in t.. 9/12/2025 6:37:00 PM.

While GNSS methods on the ground are correct for such deformities, Guardian uses them as a guide. The program wanders in a set of data that is transferred to more than 350 terrestrial stations that work continuously around the world. Tsunam
...(more)
NASA''s GUARDIAN tsunami detection tech catches a wave in real time 9/12/2025 6:27:00 PM.

A massive earthquake and subsequent tsunami off Russia....
Paloma García-Pelayo desmiente a Mar Flores y asegura que Fernández Ta.. 9/12/2025 6:19:00 PM.

En su libro, publicado esta semana, Mar Flores cuenta que Fernández Tapias la llamó antes de morir y cómo se despidió de ella. que han desencadenado y revivido un tsunami mediático, el de la historia Mar Flores-Alessandro Lequio-Fernando Fe
...(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 (92), NEIC (6), OCHA (1), USGS (5), (3), INFORM (2), NOAA (1),