Global Volcanism Program | Image GVP-07824
The advancing front of a lahar travels down the Río Nimá Segundo below the Santiaguito lava dome complex on 14 August 1989. Sediment yields in drainages below the Santa Maria’s active domes are extremely high, and rainy season lahars frequently impact areas downstream.
Photo by Jeff Marso, 1989 (Michigan Technological University).
This image is made available as a Public Domain Work, but proper attribution is appreciated.