A volcano (Hunga Tonga-Hunga Ha’apai) erupted in Tonga last week on Saturday. There have been reports of a measurable pressure wave across the world. I, too, was able to see the effect with my RuuviTag
- Increase on Jan 15 at 20:30
- Decrease on Jan 16 at 04:30
The change is not huge, and it is more visible in the App which collects measurements more frequently. All of my RuuviTags have the increase and decrease.
To me this a wow thing: I was able to measure a volcanic eruption on the other side of the world!