A whirlwind formed over Hawaii’s Kilaeua volcano on Monday, June 1. Footage captured by the US Geological Survey (USGS) shows a funnel swirl upward and then dissipate. On Monday, lava fountains

Footage released from United States Geological Survey captured a whirlwind, known in Hawaiian as a puahiohio, forming over Hawaii’s Kilauea volcano on June 1. Scientists said heat rising from recent lava flows likely helped create the rare atmospheric phenomenon.

In the case of the May 22 earthquake, staff at HVO started analyzing the earthquake data even before shaking had stopped, as the earthquake rolled through the south and east side of the island, HVO’s automated software system rapidly sent out preliminary estimates of the earthquake origin time, location and magnitude.