https://phys.org/news/2018-05-amount-ash-plume-hawaii-volcano.html

The plume is separate from the lava eruptions occurring about 25 miles (40 kilometers) away from summit, where about 20 lava fissures in the earth have destroyed more than two dozen homes and forced the evacuation of about 2,000 residents.

Geologists warn that Kilauea's summit could have a separate explosive steam eruption that would hurl huge rocks and ash miles into the sky, but it's not certain when or if that might actually happen.