The number of VLP seismic events (standard values 5-12) is medium, 11 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 -2

Thermal activity of explosive events is not available. The number of thermal transients in the NE sector of the crater(standard = 100) is not available. The amplitude of thermal transients is not available. Exit velocity of pyroclasts, estimated through thermal camera analysis, is not available.

MODIS thermal anomalies: no thermal anomalies.

Rockfall activity is not available.

SO₂ flux in the NE sector of the crater terrace is low, 51 t/d

CO₂ flux based on the C/S of 11.05 mesured at 04:20 UTC on 2024/02/25 is medium, 490 t/d

Indice di Attività Vulcanica: medium

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

In the last 24h, due to the power failure at the COA, seismic tremor, infrasonic, thermal and rockfall activity are not available. The number of VLP events, counted from 06.00 to 12.00 of 25/02/2024, is MEDIUM (11 events/hour). MODIS/VIIRS images showed no thermal anomalies. The SO2 flux measure is LOW (51 t/d). The CO2, based on the C/S ratio of 11.05 measured on 25/02/2024 at 04.20 UTC, is MEDIUM (490 t/d). The volcanic activity index is MEDIUM.