it is fascinating, that the air blast wave from eruption of Hunga Tonga–Hunga Haʻapai volcano on 15th jan 2022 04:14:14 UTC could be registered in germany with a simple BME280 pressure sensor.
As measured by official stations, a first wave passed at approx. 19:30 UTC, see
With 1235km/h for the speed of sound and a distance of approx. 20000km the time to reach europe is in the order of 16 hours…
My own sensor showed this even more clearly, but how can images be uploaded here?