Tonga eruption pressure

On 15th of January 2022 there was an eruption of Tonga volcano.

Pressure wave has been registered across the globe, including local weather station. According to BBC article linked above eruption was at 4:10 GMT and it reached UK at 19:10 GMT, which translates to 20:10 CET.

Here's a graph from a Bosch BME280 temperature, humidity, pressure sensor. Pressure is recalculated to a sea-level equivalent.

Pressure spike after Tonga eruption