The recent explosive eruption of the volcano near Tonga, was even registered by my weatherstation in the Netherlands, at 16,000km distance.
The shockwave of the blast caused a 3hPa disturbance on the barometer graph. The 'second' wave (actually from the same blast but coming from the other direction) was also registered. Unbelievable.
(drukgolf is Dutch for shockwave)
