A series of craters have formed along a NW-SE-trending ridge on Balbi, seen in this January 2018 Planet Labs satellite image monthly mosaic (N is at the top; this image is approximately 15 km across). Part of the summit area is vegetation-free and geothermal activity continues.

Satellite image courtesy of Planet Labs Inc., 2018 (https://www.planet.com/).

Copyrighted image used with permission. All Rights Reserved. Contact photographer for any usage requests.

Balbi