Please use this site to add hazards relevant to each tab (context).
To add or edit a hazard you created, click on the map and then expand the hazard section under the map, editing
the fields to provide relevant data.
To refresh the known hazards at a given zoom level, use the link under the map.
We only show the first 64 hazards we find at a given zoom level, if you don't see one you're after, try zooming in a bit.
Use the forum tab or the chat link from the listing to discuss a particular item with others.