Global Volcanism Program | Image GVP-12359
Nisyros has a 3.6-km-diameter caldera with walls 300-400 m high and is filled with lava domes, seen here in this September 2019 Planet Labs satellite image monthly mosaic (N is at the top). The edifice also has vents, scoria cones, dikes, fault systems, and geothermal features, including active fumaroles and hot springs.
Satellite image courtesy of Planet Labs Inc., 2019 (https://www.planet.com/).
Copyrighted image used with permission. All Rights Reserved. Contact photographer for any usage requests.