this is pretty cool
Airport air pressure sensor changes as the Tonga Volcano shockwave crossed the US mainland.
https://rumble.com/vso3kv-airport-air-pressure-sensors-as-the-tonga-volcano-shockwave-crossed-the-us-.html
That’s a stunning piece. One assumes the pressure wave went around the world in an omnidirectional fashion so that on the exact opposite side of the planet, the two sides would meet.