M 4.6 in Japan on 01 Oct 2023 04:25 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 1393959
Earthquake Magnitude: 4.6M
Depth: 60.6 Km
Lat/Lon: 38.6796 , 141.8163
Event Date: 01 Oct 2023 04:25 UTC
01 Oct 2023 13:25 Local
Exposed Population:
80 thousand in MMI IV
Inserted at: 01 Oct 2023 05:19 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
us6000lc0v 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

Japan issues tsunami advisory for islands in eastern Japan 10/5/2023 4:26:00 AM.

Country: Japan SHARE; Japan issued an advisory for a tsunami of 1 metre for the islands off of Izu peninsula on the eastern coast of the country. The warning followed an earthquake that had a preliminary magnitude of 6.6 that struck at 11 a
...(more)
Japan issues tsunami alert on Izu islands after M6.6 quake 10/5/2023 4:19:00 AM.

The Japan Meteorological Agency issued a tsunami alert on Izu islands on Thursday after a magnitude-6.6 quake hit the seas near Torishima at a depth of 10 kilometers.
Strong mag. 5.8 earthquake - Southeast of Honshu, Japan, on Thursday, .. 10/5/2023 4:11:00 AM.

Seismic station: Matsushiro, Japan (MAJO/IU network) | Distance from quake: 768 km / 477 mi | Show on map Station Info Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive
...(more)
Nepal earthquake triggered Sikkim disaster? Scientists to find out 10/5/2023 4:09:00 AM.

The lake outburst also resulted in the breach of the Chungthang dam, which is the largest hydropower project in the state. This dam is part of the 1,200-megawatt (MW) Teesta Stage III Hydro Electric Project, in which the state government is
...(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),