Map of part of the Island of Hawaii Sandwich Islands Shewing the Craters and Eruption of May and June 1840 by the U.S. Ex. Ex.

Explore one of the earliest scientific maps of Hawaiian volcanism with the “Map of Part of the Island of Hawaii, Sandwich Islands, Showing the Craters and Eruption of May and June 1840,” created by the U.S. Exploring Expedition (U.S. Ex. Ex.) under Charles Wilkes. This historical map provides a detailed depiction of Kīlauea’s eruption, marking lava flows, craters, and geological features observed during the expedition.