M 4.5 in Japan on 28 Aug 2025 09:50 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 1497861
Earthquake Magnitude: 4.5M
Depth: 47.2 Km
Lat/Lon: 42.9781 , 145.9245
Event Date: 28 Aug 2025 09:50 UTC
28 Aug 2025 19:50 Local
Exposed Population:
30 thousand in MMI III
Inserted at: 28 Aug 2025 10:15 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
us7000qrim 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

Iran extends condolences, aid to Afghan quake victims 9/1/2025 9:43:00 AM.

KABUL (Pajhwok): Iran on Monday expressed sympathy for Afghanistan’s earthquake victims, particularly the families of the deceased, and announced its readiness to assist the Afghan government with relief and rescue efforts in the eastern pr
...(more)
Memorials held for 1923 quake victims and Koreans slain September 1, 2.. 9/1/2025 9:35:00 AM.

Memorial events were held in the greater Tokyo metropolitan area on Sept. 1 to pray for the victims of the 1923 Great Kanto Earthquake and ethnic Koreans massacred as a result of unfounded rumors falsely accusing them of looting and arson.
...(more)
Experience colours of autumn at one of a kind Japanese garden in Scotl.. 9/1/2025 8:49:00 AM.

The Japanese Garden at Cowden Castle , near Dollar in the Ochil Hills, is the only one of its kind in the world designed by a Japanese woman. Taki Handa, then studying in England, was recruited in 1908 by the Scottish explorer Ella Christie
...(more)
DEADLY TREMORS 9/1/2025 7:54:00 AM.

A tsunami has hit coastal areas of Russia’s Kuril Islands and Japan’s large northern island of Hokkaido after a powerful, 8.8-magnitude earthquake struck off the coast of Russia early Wednesday. (AP via NTV) A magnitude 6.0 earthquake str
...(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 (41), (3), NEIC (4), OCHA (1), INGV (1), WMO (1), INFORM (2), USGS (2),