A 2021 satellite photo captured a bizarre atmospheric phenomenon: concentric cloud rings resembling a bull's-eye directly above an erupting volcano on La Palma in Spain's Canary Islands. The rare sighting was documented by the Earth from space project, showing distinct circular patterns in the sky.
These cloud rings are thought to form when rising volcanic gases punch through a stable atmospheric layer, creating ripple effects similar to those produced when a stone is dropped into water. The phenomenon is highly unusual, as it requires specific atmospheric conditions and a sufficiently active volcanic vent.
The image, released by Live Science, highlights the strange interplay between geology and meteorology. La Palma's volcano erupted in September 2021, ending a 50-year dormancy, with streams of lava and ash that disrupted local communities for months.
For scientists, these rings offer a rare opportunity to study how volcanic emissions interact with the atmosphere. The patterns may help refine models of plume dispersion and atmospheric optics. However, observers caution that such visuals are fleeting and difficult to predict.
Experts note that while visually striking, the rings do not indicate an imminent change in volcanic activity. The primary hazards remain lava flows and ash clouds, not atmospheric curiosities.