M 5.6 in Japan on 20 Apr 2026 08:32 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 1536392
Earthquake Magnitude: 5.6M
Glide number: EQ-2026-000057-JPN
Depth: 24.5 Km
Lat/Lon: 39.6393 , 143.2591
Event Date: 20 Apr 2026 08:32 UTC
20 Apr 2026 18:32 Local
Exposed Population: 2.2 million in MMI III
Inserted at: 20 Apr 2026 08:48 UTC
INFORM Coping capacity:
1.1 (Japan)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 GDACS score
NEIC 0 0
us6000srih Scaled population (raster) 0  
  C1 shakemap 0  
  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, 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

No abnormalities observed at Japan nuclear facilities after earthquake.. 4/20/2026 12:52:00 PM.

01f7b2b9.B8Gs2m4UhoppSY03Vb5umSOQ-Ps-eamIar-cdzhBjio.SezGsQpR4foof7VnOf8p80fVnaEHK8HdW9zeKF8z2mZJtZ3uLyOzzBkO3A No abnormalities observed at Japan nuclear facilities after earthquake, IAEA says.
No Reports Of Malaysians Seriously Affected In Northern Japan Quake 4/20/2026 12:52:00 PM.

KUALA LUMPUR, April 20 (Bernama) -- No Malaysians have been reported seriously affected, aside from minor disruptions, following a powerful magnitude 7.5 earthquake that struck off the coast of Iwate Prefecture in northern Japan on Monday a
...(more)
L''AVVISO 4/20/2026 12:50:00 PM.

Possibile un nuovo terremoto devastante in Giappone: scatta l''allerta dopo il sisma e lo tsunami: 182 città a rischio, la mappa Allerta sismica nel nord del Giappone dopo la forte scossa e lo tsunami. La JMA sottolinea che, pur restando b
...(more)
Japan issues tsunami warnings after 7.5 quake off Sanriku, transport d.. 4/20/2026 12:48:00 PM.

A magnitude 7.5 earthquake struck off Japan’s Sanriku coast on April 20, triggering tsunami warnings for parts of Hokkaido, Aomori and Iwate and jolting rail, road and coastal shipping links across northern Japan, according to the Japan Met
...(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 (48), NEIC (4), OCHA (1), WMO (1), USGS (5), (2), INFORM (2),