INGV reported that during 22-26 June explosions at the N1 vent, one of two vents that comprise Stromboli?s N Area, ejected material as high as 200 m above the vent.
Explosive activity at the second vent, N2, ejected tephra 150 m high that fell within the crater terrace as well as beyond the crater rim.
Intense spattering at N2 was noted on 26 June.
Explosions from the N Area vents occurred at a rate of 10-14 events per hour.
Vent C in the CS Area discontinuously puffed, and spattering also occurred on 26 June.
Explosions from the S1 vents (also part of the CS Area) ejected tephra 150 m high.
Explosions from the CS Area occurred between 5 and 10 events per hour.
Source: Sezione di Catania - Osservatorio Etneo (INGV)