The volcano

Facts about Etna

Numbers, eruptions, craters, nature and myths of Europe's highest active volcano. With sources, so you can check.

01 / Now

Live data

Real-time weather and seismic activity from Rifugio Sapienza

Weather at Rifugio Sapienza (1,923 m)

LIVE

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For those going up

Weather

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Seismic Activity - Volcanic Tremor

INGV

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Official bulletins

To know what the volcano is doing and whether there are aviation notices, read the sources directly.

Weather from Open-Meteo. The tremor charts are the official ones published by INGV; no data is simulated.

02 / In numbers

The volcano in numbers

Stable data and data that changes: where it changes, you will find the date.

3.300–3.400

metres in height

It changes with every eruption. July 2024: INGV measured 3,369 m on the rim of the Voragine (it may have changed since).

4

summit craters

North-East, Voragine, Bocca Nuova and South-East.

500.000

years since the first eruptions

The first phase was submarine; the present edifice formed about 57,000 years ago.

2013

UNESCO World Heritage

19,237 hectares protected, criterion (viii): one of the longest documented eruptive histories.

59.000

hectares of Park

Etna Park, established in 1987, covers 20 municipalities.

2.700+

years of documented history

According to UNESCO, at least 2,700 years of documented eruptions.

03 / History

The great eruptions

Some moments that shaped the area, from the 1600s to today.

  1. 1614–1624

    The decade of the Sciara del Follone

    The longest flank eruption of recent centuries: about ten years of activity, which formed an enormous lava field.

  2. 1669

    The most destructive of the historical era

    In about four months roughly 600 million m³ of lava covered 40 km² and ran for 17 km. Nine towns were destroyed and the medieval walls of Catania diverted the flow.

  3. 1886

    Nicolosi evacuated

    A lateral vent opened at about 1,400 m: the lava reached the first houses of Nicolosi and the town was evacuated.

  4. 1928

    The end of Mascali

    Eighteen days of eruption: an 8 km long lava flow completely destroyed Mascali and the hamlets of Pietrafucile and Costa Sovara.

  5. 1991–1993

    Saving Zafferana Etnea

    The largest volume of lava since 1669. To protect Zafferana, intervention was made to stop and divert the flow, in an operation that became famous.

  6. 2001 e 2002–03

    Two flank eruptions with a lot of ash

    Eruptions on the south and north-east flanks, with intense and prolonged explosive activity.

  7. 2018

    Eruption and earthquake

    From 24 December a short eruption in the Valle del Bove; on 26 December a magnitude 4.9 earthquake on the Fiandaca fault damaged buildings and infrastructure from Fleri to Santa Maria la Stella.

  8. 2021 e 2024

    The South-East and then the Voragine

    In 2021 the South-East Crater rose to about 3,354 m (a value corrected in 2023). After the July 2024 paroxysms, the eastern rim of the Voragine was measured at 3,369 m, the highest elevation recorded up to that time.

  9. 2025–2026

    A volcano that never stops

    In 2025 and 2026 too, INGV reported new eruptive phases, with lava flows and explosive activity at the summit craters. To know what is happening today, always read the latest bulletin.

04 / How it works

How it erupts

Etna has several ways of being active: understanding them helps in reading the bulletins.

Persistent activity

A continuous release of gas from the summit craters. It sometimes evolves into low-energy Strombolian activity, with small explosions and ejections of incandescent material.

Lava fountains

"Terminal" or "sub-terminal" eruptions: they occur at or near the summit craters, with lava jets and an ash column.

Paroxysms

Particularly intense phases of explosive activity. They can produce ash clouds kilometres high and lead to the closure of roads and parts of the airspace.

Flank eruptions

Vents open on the flanks of the volcano: "lateral" if fed by the central conduit, "eccentric" otherwise. These are the ones that can reach inhabited areas.

The four summit craters

Until the early 1900s there was only one crater, the Central Crater. Today there are four, and each has its own story.

North-East

It formed in 1911.

Voragine

Formed in 1945 inside the old Central Crater. Its eastern rim reached 3,369 m in July 2024.

Bocca Nuova

It opened in 1968, next to the Voragine, in the same Central Crater.

South-East

Born in 1971, in recent years it has been one of the most active, with numerous paroxysms.

05 / The landscape

The Valle del Bove

A gigantic horseshoe-shaped depression of about 7 × 4.5 km on Etna's eastern flank.

It was created by several collapses of the volcano's flank in the Holocene: the landslide deposit that marks its beginning has been radiocarbon-dated to between 7478 and 7134 BC. The floor is almost entirely covered by the lava flows of the most recent flank eruptions.

The easiest way to look out over the valley is the route of the Schiena dell’Asino.

The Valle del Bove seen from above

06 / Nature

The Etna Park

Established in March 1987, it covers about 59,000 hectares. From the woodlands to the black sands at high altitude.

Woodlands

Pines, holm oaks, downy oaks, beeches and oaks. Higher up grows an endemic birch.

At high altitude

Around 2,300 m the Sicilian milk-vetch ("spino santo") grows; towards 3,000 m the dock colonises the basaltic sands.

Mammals

Fox, porcupine, dormouse, hedgehog, wild rabbit, hare and the wildcat, threatened in Sicily.

Birds

Golden eagle, peregrine falcon, common buzzard, kestrel, sparrowhawk, barn owl, scops owl, long-eared owl, tawny owl and black redstart.

07 / Reading the notices

The colours of the VONA

The VONA (Volcano Observatory Notice for Aviation) is a notice for aviation: the colour describes the state of the volcano for those who fly, not the danger for those who walk.

Green

Volcano in normal conditions, with no eruptive activity.

Yellow

Activity above the known baseline level, or decreasing after an eruption.

Orange

Activity increasing with a higher probability of eruption, or an eruption under way with little or no ash.

Red

Imminent eruption with probable significant ash emission, or eruption under way with significant ash.

Definitions of the international colour code for aviation (ICAO). For trails and craters, what matters are the INGV bulletins, the ordinances and the guides' advice. Updated notices are on INGV – VONA notices.

08 / Who monitors it

Monitoring by scientists

Etna is one of the most studied and monitored volcanoes in the world.

Geophysical monitoring

Seismic networks record earthquakes and volcanic tremor, signals of magma movement. GPS and satellite radar (InSAR) measure the ground deformation caused by magmatic pressure.

Geochemical monitoring

Multi-GAS stations measure volcanic gases such as SO₂, CO₂ and H₂S in real time: their ratios can give early signals of rising magma.

Satellite observation

Thermal cameras and optical sensors track temperatures, lava flows and ash dispersal. The digital terrain model is updated after every eruption.

Laboratory analysis

Lava and ash samples are analysed to study minerals, composition and magma mixing processes.

09 / Culture

Myths and flavours

The volcano has shaped legends, wines and cuisine.

Hephaestus and the Cyclopes

For the Greeks, Etna was the forge of Hephaestus, the god of fire. According to tradition, the Cyclops Polyphemus lived on the volcano: the sea stacks of Aci Trezza are called the "Islands of the Cyclopes", the boulders hurled at Odysseus.

Typhon under the mountain

In myth, Zeus imprisoned the giant Typhon beneath Etna: the rumblings and columns of fire are said to be his breath.

Etna DOC

Etna DOC, Sicily's first DOC, was established in 1968. The red comes mainly from Nerello Mascalese, the white from Carricante; the vineyards climb from 450 to 1,100 m.

Flavours of the volcano

The volcanic soil yields typical products of the Etna towns: pistachios, citrus fruit, orange-blossom honey, cheeses. You can also find them on the page Where to eat.

10 / Questions

Frequently asked questions

Etna offers a spectacle all year round. In spring and autumn the climate is ideal for trekking; in winter you can ski and in summer you enjoy clear views and starry nights. Every season has its own unique charm.

Roughly between 3,300 and 3,400 metres, and the value changes with every eruption because the craters grow or collapse. In July 2024 the INGV measured 3,369 m on the eastern rim of the Voragine, the highest elevation recorded up to that time; it may have changed since, so check the latest INGV data.

Tourist areas are monitored, but activity can change in a short time and some areas may be closed. Access depends on ordinances and current conditions: always follow the instructions of the authorities, the Park and the guides, and check Etna today.

Yes, with authorised guided excursions. They are reached by cable car and 4x4 jeep up to 2,850 m, then a guided trek. Access depends on safety conditions and volcanic activity. Accompaniment by volcanological guides is mandatory.

A particularly intense phase of explosive activity at the summit craters, with lava fountains and an ash cloud that can rise for kilometres. It can lead to the temporary closure of roads and parts of Catania airport.

The VONA is a notice for aviation. The red code indicates an imminent eruption with probable significant ash emission, or one already under way. It concerns air navigation and does not by itself say whether a trail can be walked: for that, the INGV bulletins and the ordinances count.

A large horseshoe-shaped depression of about 7 × 4.5 km on the volcano's eastern flank, created by several flank collapses during the Holocene. The floor is almost entirely covered by recent lava flows. You can admire it from the route of the Schiena dell'Asino.

Layered clothing, hiking boots, a windproof jacket, sunglasses, sunscreen, a hat and water. At altitude the temperature can change a lot. On guided hikes the technical equipment is often provided.

Follow the instructions of the municipality and Civil Protection. In general, protect your eyes and airways, avoid motorbikes and scooters and drive carefully: asphalt covered in ash is slippery and visibility is reduced.

Sources

Where we checked

Texts rewritten by us from these public sources; data verified in October 2026. The volcano's activity changes: for today's situation the latest INGV bulletin always applies.