#largest quake in Hawaii in 20th century and so far in 21st century

Volcano Watch: Remembering the destructive Kalapana earthquake 50 years ago

The largest Hawaiʻi earthquake of the 20th century and so far in the 21st century happened 50 years ago this month; shaking as well as ground subsidence and a local tsunami contributed to a catastrophic sequence of events Nov. 29, 1975.