Mt. Etna eruption Flames and smoke billowing from a crater, as seen from the southern side of the Mt Etna volcano, tower over the city of Pedara, Sicily, Wednesday night, Feb. 24, 2021. Europe's most active volcano has been steadily erupting since last week, belching smoke, ash, and fountains of red-hot lava. (AP Photo/Salvatore Allegra) (Salvatore Allegra/AP)
Mt. Etna eruption Lava flows from the Mt Etna volcano, near Catania in Sicily, southern Italy, Tuesday, Feb. 23 , 2021. The explosion started before midnight on Monday night, provoking a huge eruption plume that rose for several kilometers from the top of Etna, as reported by The National Institute of Geophysics and Volcanology, Etneo Observatory. (AP Photo/Salvatore Allegra) (Salvatore Allegra/AP)
Mt. Etna eruption Smoke fills the sky during an eruption of Mt. Etna volcano, near Catania in Sicily, southern Italy, early Tuesday, Feb. 23, 2021. The explosion started before midnight on Monday night, provoking a huge eruption plume that rose for several kilometers from the top of Etna, as reported by The National Institute of Geophysics and Volcanology, Etneo Observatory. (AP Photo/Salvatore Allegra) (Salvatore Allegra/AP)
Mt. Etna eruption Flames and smoke billowing from a crater, as seen from the southern side of the Mt Etna volcano, tower over the city of Pedara, Sicily, Wednesday night, Feb. 24, 2021. Europe's most active volcano has been steadily erupting since last week, belching smoke, ash, and fountains of red-hot lava. (AP Photo/Salvatore Allegra) (Salvatore Allegra/AP)
Mt. Etna eruption A fiery river of glowing lava flows on the north-east side of the Mt Etna volcano engulfed with ashes and smoke near Milo, Sicily, Wednesday night, Feb. 24, 2021. Europe's most active volcano has been steadily erupting since last week, belching smoke, ash, and fountains of red-hot lava. (AP Photo/Salvatore Allegra) (Salvatore Allegra/AP)
Mt. Etna eruption Lava gushes from the Mt. Etna volcano near Catania, Sicily, Tuesday, Feb. 16, 2021. Europe's most active volcano came alive around 4 p.m. on Tuesday, according to the Italian Institute of Geophysics and Volcanology. (AP Photo/Salvatore Allegra) (Salvatore Allegra/AP)
Mt. Etna eruption Lava spews during an eruption of Mt. Etna volcano, near Catania in Sicily, southern Italy, late Monday, Feb. 22, 2021. The explosion started before midnight on Monday night, provoking a huge eruption plume that rose for several kilometers from the top of Etna, as reported by The National Institute of Geophysics and Volcanology, Etneo Observatory. (AP Photo/Salvatore Allegra) (Salvatore Allegra/AP)
Mt. Etna eruption Lava and smoke are belched out from a crater as seen from the north-east side of the Mt Etna volcano near Milo, Sicily, Wednesday night, Feb. 24, 2021. Europe's most active volcano has been steadily erupting since last week, belching smoke, ash, and fountains of red-hot lava. (AP Photo/Salvatore Allegra) (Salvatore Allegra/AP)
Mt. Etna eruption A fiery river of glowing lava flows on the north-east side of the Mt Etna volcano near Milo, Sicily, Wednesday night, Feb. 24, 2021. Europe's most active volcano has been steadily erupting since last week, belching smoke, ash, and fountains of red-hot lava. (AP Photo/Salvatore Allegra) (Salvatore Allegra/AP)
Mt. Etna eruption Smoke fills the sky during an eruption of Mt. Etna volcano, near Catania in Sicily, southern Italy, late Monday, Feb. 22, 2021. This is the fifth episode in a series of Mt. Etna eruptions which have been occurring over the past week. (AP Photo/Salvatore Allegra) (Salvatore Allegra/AP)
