Water has been steadily rising in the pool since it was discovered at the end of July.
The eruption started in April and continued through August, as magma drained and the caldera collapsed.
It reportedly registered a magnitude of about 4.3.
It's headed for the boat ramp in Isaac Hale Park.
A hydrovolcanic explosion could have caused the explosion that hit a tour boat in Hawaii.
See the coastline of Hawaii before and after the Kilauea volcano added acres and acres of lava land.
Coagulated volcanic spatter has created a 200 feet cone that should last for thousands of years.
Several new fissures are oozing lava—and there was another explosion at Kilauea's summit.
Volcanic ash continued to sputter from a volcano on Hawaii's Big Island, raising health concerns about exposure to the toxic plumes.
Plumes of acid rain, vog and lava continue to plague Hawaii's Big Island.
The lava coming from Kilauea spread to cover huge areas of land and filled an entire bay.