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Table 7 Examples of specific considerations provided by respondents related to the process of map development

From: The diversity of volcanic hazard maps around the world: insights from map makers

The process of map development

• Maps should be revised periodically

• Maps should be tested with communities and map users before finalising, to ensure maps are comprehensible

• This map was tested during an actual unrest episode at the volcano. The small scale used for the map did not match the larger scale used for defining emergency plans. So new maps were created at those larger scales

• Do not forget to create or update a background hazard map after a volcanic crisis ends and the short-term map is no longer valid

• A pre-planned process and checklist for making a crisis hazard map would have been useful

• Our civil protection stakeholders preferred individual scenarios instead of a combined volcanic hazard map, since the individual processes (e.g., lava flows vs. ashfall) require different management approaches

• Stakeholders may prefer qualitative values rather than probabilities, to make the map easier to understand

• Engagement with indigenous partners led to a change in the map title