The identity of Jezero Mons on Mars is no longer a mystery. First observed back in 2007, the elevated structure on Jezero Crater was quickly recognized as a mountain, but whether it was a volcano or ...

They're also called composite volcanoes. Mount Rainier in Washington is a famous stratovolcano. Shield volcanoes are big, broad volcanoes made up of oozy lava flows that erupt from multiple vents.

More information: Sara C. Cuevas-Quiñones et al, Evidence for a composite volcano on the rim of Jezero crater on Mars, Communications Earth & Environment (2025). DOI: 10.1038/s43247-025-02329-7.

In 1989, Alaska’s Redoubt Volcano, another composite volcano, belched an 8-mile cloud of ash that clogged all four engines of a KLM Royal Dutch Airlines jet.

– Composite volcanoes or stratovolcanoes: These are symmetrical, cone-shaped and have a conduit system through which magma flows to the surface. They can rise 8,000 feet above their surroundings.

It covers an area of 1,250 square kilometers (482 square miles). What type of volcano is Mount Etna? Mount Etna is what geologists and volcanologists call a stratovolcano or composite volcano. ...

Composite Volcanoes are tall, cone-shaped volcanoes built up from layers of lava flows, ash, and volcanic debris. They often erupt explosively and are known for their steep sides and symmetrical ...