Over 16 days from May 11–27, 1924, there were more than 50 explosions from Halemaʻumaʻu crater at Kīlauea volcano on the Island of Hawaiʻi. These explosions ejected blocks weighing >12,000 kg, as well as extremely fine ash to lapilli size tephra. The greatest thicknesses of tephra were at the summit region of Kīlauea, but some tephra fell on Wood Valley, Pāhala, and Waiʻōhinu to the southwest, with trace ash falling on Hilo to the northeast, along the Hāmākua coast (at Hakalau) to the north, and disrupted rail service to the east between Pāhoa and Makuʻu. The most intense explosions occurred on May 17–18 with plumes going ~10 km high (although many plumes throughout the explosive sequence were
