#hawaiian geology
Volcano Watch: Something New From Something Old — A New Geologic Map of The State of Hawaiʻi
The original purpose of geologic mapping in Hawaiʻi was to understand the distribution of groundwater and soils to support agriculture. But as geologic maps have been developed over time, they’ve provided basic information on how the Hawaiian Islands evolved, the workings of individual volcanoes and the relative degree of long-term hazards posed.