Check out this gorgeous @planetlabs 🛰️ image of the #Krakatau caldera on August 3, 2017, with a gas plume from Anak Krakatau. If you look closely you can see boats making their way to/from the #volcano.
— Prof. Simon Carn (@simoncarn) February 12, 2018
Image Copyright 2017 Planet Labs Inc. pic.twitter.com/e34846URfz