SATELLITE VIEW of the seven main and largest Hawaiian Islands, by size, are Hawai'i, Mau'i, O'ahu, Moloka'i, Lana'I, Ni'ihau, and Kaho'olawe. (credit: Wikimedia Commons/NASA) Hawaii also has ...

Episode 18 of the ongoing Halemaʻumaʻu eruption began at 10:01 p.m. HST on April 16, 2025 when lava started overflowing from the north vent, according to the USGS Hawaiian Volcano Observatory.