M 4.5 in Japan on 09 Dec 2025 22:20 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 1514286
Earthquake Magnitude: 4.5M
Depth: 50.1 Km
Lat/Lon: 40.9611 , 142.6821
Event Date: 09 Dec 2025 22:20 UTC
10 Dec 2025 08:20 Local
Exposed Population:
150 thousand in MMI II
Inserted at: 10 Dec 2025 02:50 UTC
INFORM Coping capacity:
1.1 (Japan)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Rapid Impact)		 GDACS score
NEIC 0 0
us6000rtr5 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, 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

Earthquake Cycle Explained: Why Some Regions Are Overdue For A Major E.. 12/13/2025 8:36:00 PM.

The earthquake cycle explains how tectonic stress slowly accumulates along fault lines over decades or even centuries, eventually releasing energy as seismic activity. Regions like California''s San Andreas Fault are considered overdue, wit
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DAL MONDO GIAPPONE 7 min Si teme un nuovo mega-tsunami: «Farebbe 200mi.. 12/13/2025 11:42:00 AM.

TOKYO - Quasi 200mila persone potrebbero perdere la vita nell''eventualità di un mega-tsunami innescato da un terremoto di magnitudo 9 lungo le faglie della Fossa del Giappone e della Fossa delle Curili (Chishima), a nord dell''arcipelago.
...(more)
50 modular shelters turned over to quake-affected families in Manay 12/13/2025 7:31:00 AM.

AT LEAST 50 modular housing units have been formally turned over to families in Manay, Davao Oriental, who are displaced by the powerful doublet earthquake that struck eastern Mindanao on October 10, 2025. The move provides a major boost to
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World Earthquake Report for Saturday, 13 December 2025 12/13/2025 5:58:00 AM.

California lawmakers are demanding more information on an early earthquake warning system managed by the U.S. Geological Survey after it issued a false alert last week that a magnitude-5.9 earthquake had struck near the California-Nevada bo
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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 (41), NEIC (4), OCHA (1), WMO (1), (2), INFORM (2), USGS (2),