Short answers, pulled from the story.
Mount Etna is an active stratovolcano on the east coast of Sicily, Italy, and its height fluctuates with summit eruptions, reaching 3,357 meters in 2021 before the Voragine crater surpassed it following the summer 2024 eruptions.
The name Etna derives from the Greek word meaning to burn or possibly from a Siculian dialect word meaning the fiery one, and it is also known as Jabal al-Nar in Arabic and Mongibello in Sicilian and Italian.
Volcanic activity first took place at Mount Etna about 500,000 years ago, with a catastrophic collapse of the eastern flank occurring around 8,000 years ago that generated a huge tsunami and left a large depression known as Valle del Bove.
The 1669 eruption of Mount Etna was its most destructive since 122 BCE, starting on the 11th of March 1669 and destroying at least 10 villages before reaching the city walls of Catania on the 15th of April.
Mount Etna is one of Sicily's main tourist attractions with thousands of visitors every year, and its eruptions frequently force the closure of Catania-Fontanarossa Airport due to volcanic ash in the air.
Mount Etna erupted violently on the 14th of August 2024 sending an ash cloud 9.5 kilometers into the atmosphere, and on the 2nd of June 2025 an eruption led to a pyroclastic flow possibly caused by the collapse of material from the northern flank of the southeast crater.