September 19, 2024 —Kīlauea middle East Rift Zone eruption reference map

This reference map depicts fissures and lava flows from the Kīlauea middle East Rift Zone eruption on Thursday, September 19, 2024. Map data are current as of the Hawaiian Volcano Observatory helicopter overflight that occurred between 9:00 and 10:00 a.m. Areas in bright red represent new lava flows since the area was last mapped late on September 18, with these new flows now covering most of the floor of Nāpau Crater. In total, the fissure system has stretched over 1.8 kilometers (1.1 miles) of the East Rift Zone, with the lava flows now covering 63 hectares (156 acres).