M 5.6 in Japan on 21 Apr 2026 18:44 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 1536683
Earthquake Magnitude: 5.6M
Depth: 35 Km
Lat/Lon: 40.1562 , 143.4599
Event Date: 21 Apr 2026 18:44 UTC
22 Apr 2026 04:44 Local
Exposed Population: 1.1 million in MMI III
Inserted at: 21 Apr 2026 19:05 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
us6000srvu 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

Terremoto in Giappone, registrate onde di 80 centimetri nel nord del P.. 4/22/2026 9:44:00 AM.

Le autorità hanno ordinato l''evacuazione dalle zone costiere per allerta tsunami. Le autorità hanno ordinato l''evacuazione dalle zone costiere per allerta tsunami. In Giappone il forte terremoto di questa mattina, con una magnitudo rivi
...(more)
Japan Is Used to Earthquakes, but What About a Big One? 4/22/2026 9:28:00 AM.

A 7.4-magnitude earthquake jolted Japan this week and set off a tsunami warning, but shoppers at one grocery store simply steadied their carts and kept browsing as the building shook. Within hours, Tokyo’s subways were once again packed and
...(more)
Why Japan’s earthquake has Bali on edge over magnitude 9 ‘megathrust’ .. 4/22/2026 8:19:00 AM.

Hours after the quake, the Japan Meteorological Agency issued a special advisory warning of a slightly elevated risk of a temblor with a magnitude of 8 or stronger in the coming days. It said there was a 1 per cent chance of a megaquake, co
...(more)
Giovanni Cannarsa ricorda Angelo Santagostino: “Un maestro di giornali.. 4/22/2026 8:11:00 AM.

TERMOLI. Giovanni Cannarsa , amico e collega di Angelo Santagostino, affida a queste righe un ricordo personale e profondo. Un legame nato in redazione, tra cronaca, notizie e giornate condivise, che nel tempo è diventato stima, amicizia e
...(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),