M 4.5 in Japan on 05 Sep 2025 12:00 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 1499007
Earthquake Magnitude: 4.5M
Depth: 69.1 Km
Lat/Lon: 36.2009 , 139.5759
Event Date: 05 Sep 2025 12:00 UTC
05 Sep 2025 21:00 Local
Exposed Population:
4.3 million in MMI IV
Inserted at: 05 Sep 2025 12:21 UTC
INFORM Coping capacity:
1.5 (Japan)

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Rapid Impact)		 GDACS score
NEIC 0 0
us7000qu28 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

Kisarazu Quake: 4.0 Magnitude Hits Chiba, Japan 9/9/2025 6:12:00 AM.

The earth beneath Chiba Prefecture gave a noticeable tremor on the morning of September 9th, 2025, with a magnitude 4.0 earthquake centered near Kisarazu. While such seismic events are a fact of life in Japan, this particular jolt, occurrin
...(more)
Moderate 4.0 quake hits near Kisarazu, Kisarazu Shi, Chiba, Japan 9/9/2025 12:26:00 AM.

An intermediate magnitude 4.0 earthquake was reported in the morning near Kisarazu, Kisarazu Shi, Chiba, Japan. According to the European-Mediterranean Seismological Centre (EMSC), the quake hit on Tuesday, September 9th, 2025, at 8:53 am l
...(more)
Moderate mag. 4.3 earthquake - Chiba, 38 km southeast of Tokyo, Tokyo,.. 9/9/2025 12:06:00 AM.

We are receiving unverified early reports of ground shaking possibly caused by seismic activity in or near Tokyo, Tokyo, Japan on 8 Sep 2025 (GMT) at approximately 23:56 GMT. There are no details yet on the magnitude or depth of this possib
...(more)
Japan Continues to Attract International Travelers with Strong Growth .. 9/8/2025 3:26:00 PM.

Japan’s Tourism Outlook: Record Year Expected. Looking ahead, Japan is on track to surpass 40 million international arrivals by the end of 2025. This would represent an all-time record for inbound tourism, further solidifying Japan’s positi
...(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),