The number of VLP seismic events (standard values 5-12) is high, 19 events/hour.

The amplitude of seismic tremor is high.

The infrasonic activity is very high. The acoustic pressure of explosions is very high, 3.19 bar (standard values <1 bar). The amplitude of puffing is medium, ~70 mbar.

Tiltmeters analysis does not show any significant deformation of the volcano edifice

Thermal activity of explosive events is medium. The number of thermal transients in the NE sector of the crater (standard = 100) is high, 547. The amplitude of thermal transients is low, 1.72 ºF. Exit velocity of pyroclasts, estimated through thermal camera analysis, is medium, 21 m/s.

MODIS thermal anomalies are low: 6 MW (01:18 UTC yesterday).

Rockfall activity is low. The number of rockfalls is 5 per day.

SO₂ flux in the NE sector of the crater terrace is medium, 111 t/d

CO₂ flux based on the C/S of 2.17 mesured at 04:20 UTC on 2024/06/14 is low, 202 t/d

Indice di Attività Vulcanica: high

• Seismic (VLP) rate HIGH
• Seismic tremor HIGH
• Puffing MEDIUM
• Acustic pression of explosions VERY HIGH
• Thermal activity MEDIUM
• SO₂ flux MEDIUM
• CO₂ flux LOW
• Rockfall activity LOW

The volcanic activity is generally characterized by strombolian explosions and puffing located at NE crater sector. In the last 24h, the Stromboli volcano showed a HIGH degassing activity (puffing 70 mbar). The pressure of the explosions is VERY HIGH (max acoustic pressure 3.19 bar). The number of thermal transients is HIGH, with LOW thermal amplitudes and MEDIUM pyroclast exit velocities. The volcanic tremor shows HIGH values. The number of VLP events shows HIGH values (19.0 events/hour). MODIS/VIIRS images showed LOW thermal anomalies (max 6 MW). The SO2 flux measured at the NE crater sector is MEDIUM (111 t/d). CO2 flux, based on the C/S ratio of 2.17, measured on 14/06/2024 at 04:20 UTC, is LOW (202 t/d). The rockfall activity is LOW (5 event detected in the last 24h).The volcanic activity index is HIGH.