M 6.8 in Japan on 09 Nov 2025 08:03 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 1509469
Earthquake Magnitude: 6.8M
Depth: 10 Km
Lat/Lon: 39.3957 , 143.4108
Event Date: 09 Nov 2025 08:03 UTC
09 Nov 2025 18:03 Local
Exposed Population: 20 thousand in MMI V
Inserted at: 09 Nov 2025 08:20 UTC
INFORM Coping capacity:
1.1 (Japan)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 Tsunami GDACS score
NEIC 0 0.4 0.4
us6000rmea Scaled population (raster) 0 Max wave alert 0.44m  
  C1 shakemap 0 Max wave realtime 0.44m  
  C2 shakemap 0      
  Country Vulnerability 0      
  INFORM_normalised 0      
Maximum expected impact using different data sources.
Virtual OSOCC
Meteo assessment
Satellite products
Analytical products
Japan - Seismic swarm (ECHO 15 Nov 2025)Mon, 10 Nov 2025 09:45

  • A seismic swarm, characterised by more than 30 earthquakes, is occurring off the northeastern coast of Honshu Island. The main shock, measuring 6.8 M, occurred at a depth of 10 km on November 9 at 08:03 (UTC) (17:03 local time) and was located 126 km east of Yamada city, Iwate Prefecture.
  • The Japan Meteorological Agency (JMA) issued a tsunami advisory for the coastal areas of Iwate Prefecture. The advisory was lifted about three hours later, though minor tsunami waves of 20 cm were detected in some locations.
  • According to the Fire and Disaster Management Agency (FDMA), approximately 6,160 people were evacuated across two coastal cities - Ofunato and Otsuchi - in Iwate Prefecture. No casualties have been reported as of the latest update.

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

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Magnitude 6.9 quake hits Japan’s Iwate Prefecture 11/13/2025 3:25:00 AM.

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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), (5), NEIC (5), OCHA (1), INGV (1), WMO (2), USGS (5), INFORM (4), NOAA (1),