Restless volcano. This Feb. 10 satellite radar image shows the summit of Alaska’s Cleveland Volcano and a new lava dome within the volcano’s summit crater (which is about 200 meters across). The weekly bulletin of the Smithsonian’s Global Volcanism Program reports elevated surface temperatures consistent with such a lava dome were detected in the crater with infrared satellite imagery on April 4. (Image courtesy AVO/USGS)
Related posts:
- A hot new island has just surfaced in the Red Sea. What’s going on? Smithsonian scientists explain.
- New species of giant rat discovered in crater of volcano in Papua New Guinea
- Boom and bust cycle of marine biodiversity every 60 million years linked to uplifting of continents
