#largest earthquake ever recorded in Hawaii
Volcano Watch: A collapse at Maunaloa’s summit in 1868, like Kīlauea’s in 2018?
March 24, 2025 · 2:00 AM UTC
There seems to be enough evidence of some sort of collapse happening, which remains the only such event in the volcano’s documented history, simultaneously with a dramatic eruption that caused Hawai’i’s largest ever recorded earthquake, a magnitude-7.9 temblor that resulted in a tsunami and landslide in Ka’u that killed more than 100 people and lava flows that inundated 9 square miles.