In addition to the volcanic eruption, Northern Europeans during the Neolithic period would have also worried about infectious disease.

Besides the acids and bacteria, the balls also contained volcanic rock pumice.

They had barricaded themselves into a small room, but were killed as a tsunami of superheated volcanic gas and ash - known as a pyroclastic flow - ripped through the town.

As the smoke plumes resembling volcanic eruptions rose to the north, east and south of the San Fernando Valley, it was painfully clear what mattered.

The coverage on social media made it look like we woke up in Pompeii after the volcanic eruption.