Mount Etna June 2000 event was captured by naturalist filmmaker Geoff Mackley. Another event occurred on 11 April 2013. The borders of ten municipalities (Adrano, Biancavilla, Belpasso, Bronte (from two sides), Castiglione di Sicilia, Maletto, Nicolosi, Randazzo, Sant'Alfio, Zafferana Etnea) meet on the summit of Mount Etna, making this point one of elevenfold complexity, and the most complicated geopolitical multi-point anywhere north of the South Pole. Etna is one of Sicily's main tourist attractions, with thousands of visitors every year. The most common route is through the road leading to Sapienza Refuge ski area, lying at the south of the crater at
Mount Etna accessible record of Etna's eruptive history. The most recent collapse event at the summit of Etna is thought to have occurred about 2,000 years ago, forming what is known as the Piano Caldera. This caldera has been almost entirely filled by subsequent lava eruptions, but is still visible as a distinct break in the slope of the mountain near the base of the present-day summit cone. Mount Etna is moving towards the Mediterranean Sea at an average rate of 14 mm per year, the massif sliding on an unconsolidated layer above the older sloping terrain. Eruptions of Etna follow a