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

Tsunami warnings as powerful quake strikes off Japan 4/20/2026 11:15:00 AM.

An earthquake with a magnitude of 7.5 has struck off the ?northeast coast of Japan, prompting authorities to urge residents to stay away from coastal areas where tsunami waves of ?up to three metres were expected. Two hours after the trem
...(more)
Giappone, scossa di terremoto di magnitudo 7.4 con epicentro in mare: .. 4/20/2026 11:14:00 AM.

Un terremoto di magnitudo 7.4 è stato registrato sul versante nord orientale del Giappone, nella regione del Tohoku, alle 16:53 ora locale (le 9:53 in Italia). Stando a quanto reso noto dall’agenzia meteorologica del Paese, la Japan Meteoro
...(more)
Tsunami warnings as powerful quake strikes off Japan 4/20/2026 11:13:00 AM.

An earthquake with a magnitude of 7.5 has struck off the ?northeast coast of Japan, prompting authorities to urge residents to stay away from coastal areas where tsunami waves of ?up to three metres were expected. Two hours after the trem
...(more)
Giappone, terremoto magnitudo 7.5, epicentro in mare al largo di Sanri.. 4/20/2026 11:13:00 AM.

Alle 16:53 ora locale (le 9:53 in Italia) di lunedì 20 aprile è stato registrato in Giappone un terremoto magnitudo di 7.5 con epicentro in mare al largo della prefettura della Costa di Sanriku , a 10 chilometri di profondità . Immediatamen
...(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),