The Japan-Marine Accident Risk and Safety Information System (J-MARISIS) is operated by the Japan Transport Safety Board (JTSB) to provide information about accidents that occurred in and around the country on our website. Please carefully read the following terms and conditions.
1. Terms and conditions of use
- (1) This site is not an electronic navigational chart. As this site is not intended to be used for navigation, please refer to nautical charts, sailing directions and other nautical publications to navigate vessels.
- (2) The information of current location indicates the position where the user is. JTSB does not collect any personal information.
- (3) The information of the user’s current location may not be accurate depending on signal reception or other factors.
- (4) JTSB shall not assume any liability for the result of any decision or action the user takes based on the information on this website.
- (5) This website may not function properly with some devices.
- (6) This website may be unavailable due to system failure, maintenance or other reasons.
2. Inquiry about this site
If you have any inquiry about this site, please contact us at:
Analysis, Recommendation and Opinion Group
Japan Transport Safety Board Secretariat
2-1-2, Kasumigaseki, Chiyoda-ku, Tokyo 100-8918
In order to further enhance transport safety, JTSB has developed a mobile version of J-MARISIS that provides information on past accidents on a map. It can also overlay other information to aid in assessing risks related to such waters.
We hope this map will prove useful to you when you wish to research what types of accident have occurred in your vicinity, what measures have been put in place to prevent recurrence, what characteristics of each location might be contributory factors to each accident, etc.
1. Quick start guide
- (1) Search for accident information
- By tapping the search buttonto start searching, accidents will be displayed as icons. Users can search any place moving the map as they like.
- By turning on the automatic search option, new search will automatically start when users move the map.
- (2) The use of the search bar
- By entering the name of a certain place into the search bar which is next to the search button, if it is found, the map will move to the place. In addition, by entering a phrase such as "personal water craft" or “in fog", if it is found, icons of relevant accidents will be displayed as a search result.
- (3) Icon of accident
- ・・・sinking, capsize
- By tapping an accident icon, a summary of the accident will be displayed. To see the accident in detail, the full text of the investigation report can be found by tapping the headline.
- (4) Menu button
- The menu button allows users to change settings.
- ① Accident information
- Users can set various search criteria including:
- ・Accident type
- ・Vessel type
- ・Date of occurrence
- ② Display of maritime-related information
- ・Safety alerts
- ・Traffic route, recommended traffic route
- ・Fishing ground/fishing method
- ・Traffic density
- ・The weather/sea information, etc.
2. Information of the current location
By tapping the current location button, the map will be centered on the user’s location and display accident information in the area.