| Gas burner used in laboratories | 31 |
| Gas burner | 10 |
| Explosive Italian landmark | 26 |
| Europe's largest volcano | 28 |
| Erupter of 2002 | 15 |
| Erupter of 1971 | 15 |
| Erupter of 1169 | 15 |
| Catania lies at its foot | 24 |
| Apennine erupter | 16 |
| Active volcano | 14 |
| 2007 erupter | 12 |
| 1998 erupter | 12 |
| ''Empedocles on ___'' (Arnold poem) | 51 |
| Where Hephaestus worked, in myth | 32 |
| Where Empedocles met his demise | 31 |
| Volcano that erupted in 2002 | 28 |
| Volcano that devastated Catania in 1669 | 39 |
| Volcano that devastated Catania | 31 |
| Volcano in 2002 news | 20 |
| Valle del Bove site | 19 |
| Traditional lab item | 20 |
| The Cyclopes' workplace | 27 |
| Tall Sicilian smoker | 20 |
| Stack blower of 475 B.C. | 24 |
| Source of an eruption in Italy | 30 |
| Sometimes-hot spot | 18 |
| Smoker in Sicily? | 17 |
| Site of the fabled forges of the Cyclops | 40 |
| Site of a fabled forge | 22 |
| Site in Sicily | 14 |
| Sicily's mountain | 21 |
| Sicily's highest peak | 25 |
| Sicily volcano | 14 |
| Sicily sight | 12 |
| Sicilian tourist sight | 22 |
| Sicilian summit | 15 |
| Sicilian smokestack | 19 |
| Sicilian place of volcanological interest | 41 |
| Sicilian lava maker | 19 |
| Sicilian landmark known for blowing its stack | 45 |
| Sicilian gusher | 15 |
| Sicilian bubbler | 16 |
| Sicilian attraction | 19 |
| Relative of Vesuvius | 20 |
| Pittsburgh suburb | 17 |
| Pindar called it a "Pillar of Heaven" | 47 |
| Peak near the Gulf of Catania | 29 |
| Peak near Taormina | 18 |
| Noted volcano | 13 |
| Nearly 11,000-foot mount in Europe | 34 |
| Mount SW of Messina | 19 |
| Mount ___, Colo. | 16 |
| Italy's Mt. ___ | 19 |
| It's known locally as Mongibello | 36 |
| It has been active in Italy | 27 |
| It blew its top in 1992 | 23 |
| It blew its stack in Europe | 27 |
| It blew in 1852 | 15 |
| Hot spot of Sicily | 18 |
| Home of Vulcan | 14 |
| Fiery Sicilian | 14 |
| Fiery Italian landmark | 22 |
| Famed European volcano | 22 |
| European hot spot | 17 |
| Europe's largest active volcano | 35 |
| Eruptive spot | 13 |
| Eruptive Italian landmark | 25 |
| Eruptive anagram for "ante" | 37 |
| Enceladus' burial place, in myth | 36 |
| Enceladus' burial place | 27 |
| Destructive volcano in Sicily | 29 |
| Centuries-old Sicilian threat | 29 |
| Catania's volcano | 21 |
| Catania menace | 14 |
| Borough NNE of Pittsburgh | 25 |
| Big part of the Sicilian scenery | 32 |
| Big European smoker | 19 |
| Anagram for "ante" | 28 |
| Active one, in Sicily | 21 |
| A suburb of Pittsburgh | 22 |
| 2002 erupter | 12 |
| 2001 erupter | 12 |
| 2000 erupter | 12 |
| 1852 eruptor | 12 |
| 11,000-foot Sicilian peak | 25 |
| 11,000-foot mount in Europe | 27 |
| "Empedocles on ___" (Matthew Arnold poem) | 51 |
| ''Empedocles on ___'' (Matthew Arnold poem) | 59 |
| World Heritage site since 2013 | 30 |
| Where Vulcan worked | 19 |
| Where Typhon, a 100-headed monster, was buried, in Greek myth | 61 |
| Where Enceladus was buried | 26 |
| Vulcan's forging place, in myth | 35 |
| Vulcan's forge | 18 |
| Vulcan's "chimney" | 32 |
| Volcano whose eruption was described by Virgil | 46 |
| Volcano that once devastated Catania | 36 |
| Volcano that erupted in 1169 | 28 |
| Volcano near Taormina | 21 |
| Volcano known to locals as Mongibello | 37 |