Chiba Prefecture.
prefecture of Japan
- Reports this week
- 3
- Active events
- 4
- Connections
- 303
What's happening
Active this week
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Rainfall in Chiba Prefecture floods sweet potato fields, affecting farms in neighboring prefectures.Some support1 report
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Typhoon caused landslides and flooding in Chiba Prefecture, Banjarmasin, and East Java on September 26, 2026.Some support1 report
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Power outages reported in Chiba and Tokyo following the impact of a typhoon.Some support1 report
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Typhoon-related service suspensions and flight cancellations affect Chiba Prefecture, involving All Nippon Airways and Hachijojima Airport.Well supported4 reports
Earlier this month
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Sony Life, a company, has a branch in Chiba Prefecture and is facing scrutiny from the Financial Services Agency due to a scandal.Some support1 report
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Chiba Bank, a regional commercial bank in Japan, is headquartered in Chiba City.Some support3 reports
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On March 20, 2013, a series of events unfolded, including an explosion at the Cosmo Oil refinery in Chiba, damage to the Fukushima plant, and market plunges affecting Toyota.Some support1 report
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Matsudo is a city located within the boundaries of Chiba Prefecture.Some support1 report
One to three months ago
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Severe weather events affected Tokyo, Chiba Prefecture, and Kumamoto on August 18, 2026, while the area hosted an international conference on advanced science.Some support1 report
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Experiments were conducted by Unit 731, a core member of which was Shiro Ishii, at a hospital in Chiba Prefecture.Some support1 report
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Severe weather caused major flooding and disruptions in Chiba Prefecture on August 14, 2026, prompting highest rain warnings.Well supported11 reports1 development inside
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Records were preserved at a hospital in Chiba Prefecture on August 15, 2026.Some support1 report
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Infrastructure failure due to extreme weather in Tokyo and Chiba Prefecture on January 1, 2026.Well supported3 reports
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A zoo located in Ichikawa City, Chiba Prefecture, is the subject of reporting by the Associated Press.Some support1 report
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New train service links Narita and Haneda airports, while China issues a warning against Japan-India security cooperation.Some support1 report
Gone quiet
No new reports in 90+ days-
Earthquake tremors were felt in areas near Tokyo, including those in Chiba Prefecture, on June 24, 2026.Well supported5 reports
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A theme park anniversary event is underway, connecting locations in Chiba Prefecture and the greater Tokyo area.Some support1 report
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Kikkoman, a Japan-based food manufacturer, is headquartered in Noda, Chiba Prefecture.Some support2 reports
No events began in the chosen period. Widen it, or reset.
What's reaching Chiba Prefecture
Recent events traced to Chiba Prefecture, step by stepAround Chiba Prefecture this week
News at the entities that move Chiba Prefecture most-
Japan Meteorological Agency OperationalRecord rainfall in Miura led to a landslide mudflow in the Chiba region.Moves Chiba Prefecture
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Europe OperationalThe European Central Bank is forced to raise interest rates due to energy price shocks from the Iran war and an influx of Chinese exports.Moves Chiba Prefecture
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Tokyo OperationalEgypt is promoting tourism in Tokyo.Moves Chiba Prefecture
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Narita Shared contextFlooding has occurred in the area involving Chiba and Narita due to a failure in lake management, specifically embankment breaches.Moves Chiba Prefecture
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Kumamoto Shared contextThe Japan Sumo Association is holding tournaments in Tokyo, while sumo wrestlers may offer comfort in Kumamoto.Moves Chiba Prefecture
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NHK Shared contextA researcher from the International Centre for Integrated Mountain Development spoke to the broadcasting company NHK about their work.Moves Chiba Prefecture
Connections
The 40 strongest of 303, analyzed from the reporting. The bars show how strongly a change on one side reaches the other.-
Mobara Structural
Mobara is a city located within the administrative boundaries of Chiba Prefecture.
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Toshihito Kumagai Structural
Toshihito Kumagai serves as the appointed Governor operating within the administrative structure of Chiba Prefecture.
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Japan Meteorological Agency Operational
The Japan Meteorological Agency actively monitors Chiba Prefecture and issues official warnings and disaster alerts based on weather and seismic events.
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Tokyo Operational
Chiba Prefecture's environmental events and infrastructure status directly impact Tokyo's operational services and metropolitan area.
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Narita Shared context
Narita is geographically located within Chiba Prefecture, and its operations are susceptible to environmental disruptions originating in the prefecture.
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Oamishirasato Structural
Oamishirasato is a locality that is administratively part of Chiba Prefecture.
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Chiba Prefectural Government Structural
Chiba Prefectural Government functions as the administrative body within the geographical boundaries of Chiba Prefecture.
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Kumamoto Shared context
Kumamoto and Chiba Prefecture are noted as locations sharing vulnerability to severe weather events.
Show all 40 connections
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TEPCO Power Grid Shared context
TEPCO operates within the geographic and administrative boundaries of Chiba Prefecture.
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NHK Shared context
NHK reported on disaster casualties that occurred within Chiba Prefecture.
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Sony Life Shared context
Sony Life operates a branch within the administrative boundaries of Chiba Prefecture.
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Ibaraki Operational
The two locations coordinate emergency responses, specifically issuing shared evacuation orders during a deluge.
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Cabinet Office Shared context
The entities are mentioned in the context of government responses to disaster preparedness and evacuation efforts.
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Narita International Airport Shared context
Narita International Airport is geographically situated within the administrative boundaries of Chiba Prefecture.
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Matsudo Shared context
Matsudo is a city administratively located within the boundaries of Chiba Prefecture.
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Chiba Shared context
Chiba is a city located within the administrative boundaries of Chiba Prefecture.
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Chiba Bank Shared context
Chiba Bank is geographically situated and operates within the jurisdiction of Chiba Prefecture.
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Urayasu Shared context
Urayasu is a location within the larger administrative area of Chiba Prefecture.
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Antara Shared context
The relationship is based on a shared situational awareness regarding a major weather event impacting the geographical area of Chiba Prefecture.
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Fukushima Prefecture Shared context
Both prefectures were impacted by heavy rains affecting eastern Japan.
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Yokosuka Shared context
The two entities share a geographic context, specifically the risk of landslides in the Kanto region.
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Haneda Shared context
Haneda Airport operates within the geographical context of Chiba Prefecture, relevant to regional transport infrastructure.
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Noda Shared context
Noda is geographically situated within the boundaries of Chiba Prefecture.
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Kisarazu Shared context
Kisarazu is a location within Chiba Prefecture, and regional events affect Kisarazu.
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Saitama Shared context
The two prefectures share regional resources, including evacuation shelter capacity.
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Unit 731 Shared context
The relationship is contextual, with activities observed within Chiba Prefecture.
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Kamogawa Shared context
Kamogawa is located within Chiba Prefecture.
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Europe Operational
The relationship is defined by a competitive dynamic where Chiba's advanced adaptation is contrasted against Europe's lack of access to key technologies or markets.
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Toyama Prefecture Shared context
The two prefectures share a common context of being affected by severe weather warnings.
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National Center for Global Health and Medicine Shared context
A is a health center whose location is within the administrative context of B.
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Supreme Public Prosecutors Office Shared context
The office of the prosecutor operates within the administrative jurisdiction of Chiba Prefecture.
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Minamiboso Shared context
Minamiboso is geographically located within the boundaries of Chiba Prefecture.
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Kimitsu Shared context
A is located within the geographical area of B, which is subject to large-scale events like typhoons.
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Sodegaura Shared context
Sodegaura is a locality within Chiba Prefecture, sharing regional events such as landslides.
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Japan Ground Self-Defense Force Shared context
The Japan Ground Self-Defense Force operated within Chiba Prefecture to assist stranded people.
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Japan Shared context
Chiba Prefecture is a specific geographical location within Japan, which was affected by severe weather events.
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Soga Station Shared context
Soga Station is geographically located within the boundaries of Chiba Prefecture.
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Ichikawa Shared context
Ichikawa is a municipality located within the administrative boundaries of Chiba Prefecture.
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Ichihara Shared context
Ichihara is a municipality within Chiba Prefecture, which was subject to administrative warnings.
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Kanagawa Prefecture Shared context
Both prefectures shared exposure to and experienced impacts from Typhoon Dujuan, a major regional weather event.
History
Events by the month they beganSeptember 2026
7 events- Rainfall in Chiba Prefecture floods sweet potato fields, affecting farms in neighboring prefectures.
- Typhoon caused landslides and flooding in Chiba Prefecture, Banjarmasin, and East Java on September 26, 2026.
- Power outages reported in Chiba and Tokyo following the impact of a typhoon.
- Typhoon-related service suspensions and flight cancellations affect Chiba Prefecture, involving All Nippon Airways and Hachijojima Airport.
- Sony Life, a company, has a branch in Chiba Prefecture and is facing scrutiny from the Financial Services Agency due to a scandal.
- On March 20, 2013, a series of events unfolded, including an explosion at the Cosmo Oil refinery in Chiba, damage to the Fukushima plant, and market plunges affecting Toyota.
- Matsudo is a city located within the boundaries of Chiba Prefecture.
August 2026
6 events- Severe weather events affected Tokyo, Chiba Prefecture, and Kumamoto on August 18, 2026, while the area hosted an international conference on advanced science.
- Experiments were conducted by Unit 731, a core member of which was Shiro Ishii, at a hospital in Chiba Prefecture.
- Severe weather caused major flooding and disruptions in Chiba Prefecture on August 14, 2026, prompting highest rain warnings.
- Records were preserved at a hospital in Chiba Prefecture on August 15, 2026.
- Infrastructure failure due to extreme weather in Tokyo and Chiba Prefecture on January 1, 2026.
- A zoo located in Ichikawa City, Chiba Prefecture, is the subject of reporting by the Associated Press.
July 2026
2 eventsShow 1 earlier month
June 2026
3 events- Earthquake tremors were felt in areas near Tokyo, including those in Chiba Prefecture, on June 24, 2026.
- A theme park anniversary event is underway, connecting locations in Chiba Prefecture and the greater Tokyo area.
- Kikkoman, a Japan-based food manufacturer, is headquartered in Noda, Chiba Prefecture.