Three scientists launch a "sparker" used in seafloor mapping

Detailed Description
USGS research geologist Jason Chaytor (L) and marine technicians Alex Nichols (center) and Eric Moore (R) deploy the “sparker” sound source on a seismic research cruise off the southwest coast of Puerto Rico aboard the R/V Sultana in March 2020.
Details
Image Dimensions: 4032 x 3024
Date Taken:
Location Taken: PR, US
Credits
Uri ten Brink, USGS