It's headed for the boat ramp in Isaac Hale Park.
Coagulated volcanic spatter has created a 200 feet cone that should last for thousands of years.
Plumes of acid rain, vog and lava continue to plague Hawaii's Big Island.
Kīlauea has been particularly active over the past few weeks.
The first report of an eruption-related injury from the active Kilauea volcano in Hawaii occurred Saturday after a homeowner's lower leg was "shattered" by a "lava bomb."
"There's currently no way to get a message quickly enough from our system to the public because none of our systems were built for speed."
Other vulnerable countries have had systems in place for years.
Scientists assess past eruptions to try to understand what will happen with the supervolcano.
Earthquake swarm is currently active on the western edge of Yellowstone National Park.
The eruption risk at Yellowstone remains low, but one of the recent earthquakes was the biggest to have hit since 2014.