Stromboli

September 11, 1930 Eruption of Stromboli

September 11, 1930 · VEI 3 · 6 deaths

Stromboli in Italy erupted on September 11, 1930 with a Volcanic Explosivity Index of 3. The eruption killed 6 people, counting its secondary effects. It caused a tsunami.

Where it erupted

Stromboli, Italy, with its other significant eruptions.

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The eruption

Date
September 11, 1930
Volcano
Stromboli, stratovolcano
Country
Italy
Volcanic Explosivity Index
3, moderate to large (eruption column 3 to 15 km)
Killed by
Pyroclastic flows, surges and direct blasts; Waves or tsunami; Tephra (ash, bombs, lapilli, steam blasts)
Location
38.789° N, 15.213° E

The toll

Deaths
5; 6 with the tsunamis, mudflows and other effects it caused
Injuries
20
Damage
Moderate (about $1 to $5 million)

Where the literature gives no number, NCEI records a description on a scale of 1 to 4, printed here in its words. Damage is in millions of US dollars of the year of the event, not adjusted for inflation.

What the record says

NCEI’s account, from the sources it cites.

1930, September 11. Three people killed by pyroclastic flows and a fourth died after being scalded in the sea near the point where the flows reached the coast. One person died from a tsunami and another from a falling block. (reference #9675)

1930, September 11. A catastrophic eruption occurred on Stromboli on 11 September 1930. It was heralded by strong explosions and hot avalanches, and reached its climax with a lava flow along with a tsunami (Rittmann, 1931, ref #5043). Six people were killed and 20 injured; moreover, huge damage was reported at all the villages of the island (Abbruzzese, 1936, reference #10539). (reference #10187)

1930, September 11. Hot avalanche and blocks, bombs and scoria fallout on Ginostra, a block of 30 tons destroys the semaphore of Labronzo, up to 150 kg blocks fall on the village of Stromboli, tsunami, secondary lava flows, 6 deaths, 22 injured. (reference #10534)

1930, September 11. This is one the most impressive events occurred at Stromboli in the last 200 years: the eyewitnesses’ accounts are still rich in pathos and details. On September 11, at 10:00, a first tremendous explosion threw a large amount of volcanic material and lava bombs particularly on the western and southwestern side of the island. Hot avalanches and two secondary lava flows were originated. One of them stopped very close to the church of San Bartolo and the other entered the sea at Piscita`. At Ginostra, most roofs were destroyed. A second explosion, shortly after the first one, produced a dense rain of ash and tephra. Lava blocks hit the north-western and north-eastern side of the island, killing four persons and injuring several people at the villages of San Vincenzo and San Bartolo, where moreover many fires burnt the surrounding fields. The paroxysm lasted for about 20 min. A tsunami followed the explosion and was responsible of two more fatalities. (reference #3078)

Note: death at Piscita due to the heat of the lava that had come in contact with the sea water, not attribute to tsunami in NCEI database. As a result only 1 tsunami death (at Punta Lena / San Vincenzo beach) and 5 volcano deaths.

Other significant eruptions of Stromboli

More

Every eruption in 1930The 1900sStromboliEarthquakes near StromboliThis day in weather history

Sources

Volcanoes and significant eruptions from NOAA’s National Centers for Environmental Information, Global Historical Hazard Database, cited as NCEI/WDS, doi:10.7289/V5PN93H7. Public domain. Read 2026-09-24. Volcano numbers are the Smithsonian Institution’s Global Volcanism Program’s. NCEI event 26.