Volcano

https://twitter.com/wonderofscience/status/1482280041799385092

...

The biggest volcanic eruption ever seen from space, captured by two different satellites on January 15, 2022. https://twitter.com/wonderofscience/status/1670049906038386688

—

A pyroclastic flow is a fast-moving current of hot gas and volcanic matter capable of reaching speeds up to 700 km/h. This is the flow originated by the Unzen volcano during its 1991 eruption https://x.com/Rainmaker1973/status/1745369730611830982