M 5.1 in Japan on 21 Dec 2025 06:58 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 1516132
Earthquake Magnitude: 5.1M
Depth: 10 Km
Lat/Lon: 34.7941 , 141.6701
Event Date: 21 Dec 2025 06:58 UTC
21 Dec 2025 15:58 Local
Exposed Population:
5 thousand in MMI III
Inserted at: 21 Dec 2025 07:22 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
us6000rwaw 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

Quake advisory confuses foreign residents in northern Japan December 2.. 12/25/2025 2:47:00 AM.

SENDAI—The central government’s first disaster advisory under a new warning system caused confusion among foreign residents and even Japanese citizens. It was issued after the Dec. 8 quake off Aomori Prefecture under the name: “Off the coas
...(more)
La ricercatrice della d''Annunzio Satolli fra gli autori di uno studio.. 12/24/2025 4:15:00 PM.

La professoressa Sara Satolli del dipartimento di Ingegneria e Geologia (Ingeo) dell''università d''Annunzio è tra i coautori di un articolo pubblicato su Science , una della più prestigiose riviste scientifiche internazionali, dal titolo “
...(more)
Taiwan Joins Russia, Chile, Indonesia, Philippines, Myanmar as Powerfu.. 12/24/2025 12:32:00 PM.

The government has implemented strict building codes and safety measures in response to past disasters. Taiwan’s National Fire Agency and local authorities remain on high alert, prepared to assist residents and assess the situation in the a
...(more)
TEPCO del Giappone riavvierà parzialmente la più grande centrale nucle.. 12/24/2025 6:02:00 AM.

Tokyo Electric Power Co prevede di riavviare il primo reattore della sua centrale nucleare Kashiwazaki-Kariwa, la più grande al mondo, il 20 gennaio, ha dichiarato mercoledì ai giornalisti il presidente di TEPCO, Tomiaki Kobayakawa. Questa
...(more)

View more news

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),