Seismic measuring device in the crater of the Nisyros volcano. It is covered in sulphur deposits. Photographed on the Greek island of Nisyros.

---

Size: 3425px × 5138px
Photo credit: © PHIL HILL/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: active, aegean, arc, crator, device, equipment, europe, european, geographical, geography, greece, greek, instrument, island, kos, measurement, measuring, nisyros, seismic, seismograph, seismology, seismometer, south, sulfur, sulphur, volcanic, volcano, volcanology, vulcanology