Study of Kīlauea's 1924 explosive eruption resembles a CSI

Detailed Description
Map showing ballistic blocks of the 1924 eruption: red, more than 1.5 m in average diameter; yellow, 1-1.5 m. Shading shows lava flows younger than 1924 outside Halema‘uma‘u, and dashed line, the limit of ballistic blocks erupted on March 19, 2008. Crater in 1912 widened to nearly its present diameter during the 1924 eruption.
Sources/Usage
Public Domain.