Sources for background information on Axial Seamount
1. Seattle Times article about the 2015 Axial Seamount eruption:
https://www.seattletimes.com/seattle-news/science/new-window-opens-on-seafloor-just-in-time-for-eruption/
2. Ocean Observatories Initiative Cabled Axial Seamount background:
http://oceanobservatories.org/array/cabled-axial-seamount/
3. NOAA PMEL Axial Seamount expeditions site:
https://www.pmel.noaa.gov/eoi/axial_site.html
