Above is an example of an isopach map because it shows the different heights of ash that lie above the ground as a result of a volcanic eruption that occurred in New Zealand in 1985. This map is similar to some of the other maps that have been seen because it uses the technique of connecting similar rock or, in this case, ash levels that are on the ground. The trend in this map is obviously showing how the ash was the highest very close to the volcano and then slowly reduced in height, however, something important to note from this isopach map is that the ash only piled up on one side. With this information, and others like it, scientists may be able to make more accurate predictions on areas to evacuate in eruptions, as well as making better estimates on where certain materials may be located in current rocks.
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