The number of VLP seismic events (standard values 5-12) is medium, 9.4 events/hour.

The amplitude of seismic tremor is not available.

The infrasonic activity is not available. The acoustic pressure of explosions is not available. The amplitude of puffing is not available

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

Thermal activity of explosive events is low. The number of thermal transients in the NE sector of the crater (standard = 100) is low, 17. The amplitude of thermal transients is low, 0.48 ºF. Exit velocity of pyroclasts, estimated through thermal camera analysis, is low, 17 m/s.

MODIS thermal anomalies: no thermal anomalies.

Rockfall activity is low. The number of rockfalls is 2 per day.

SO₂ flux in the NE sector of the crater terrace is not available

CO₂ flux based on the C/S is not available

Indice di Attività Vulcanica: medium

• Seismic (VLP) rate MEDIUM
• Seismic tremor NOT AVAILABLE
• Puffing NOT AVAILABLE
• Acustic pression of explosions NOT AVAILABLE
• Thermal activity LOW
• SO₂ flux not available
• CO₂ flux not available
• Rockfall activity LOW

The volcanic activity is characterized by strombolian explosions and degassing activity (puffing). Infrasonic data of the last 24 hours of Stromboli volcano are not available. The number of VLP events shows MEDIUM values (9.4 events/hour). Thermal activity is characterized by a LOW number of transients having LOW thermal amplitude and LOW exit velocity of pyroclasts. Seismic tremor values are not available. MODIS/VIIRS images showed NO thermal anomalies. SO2 flux values are not available. CO2 flux values are not available. Rockfall activity is LOW with 2 events detected in the last 24h with LOW seismic enercy associated. The volcanic activity index is MEDIUM. N.B.: thermal data infrasonic data, tremor values and VLP rate and could be underestimated or not available due to technical problems of the seismic stations.