Remembering Hawaii’s Largest Earthquake – 7.2 Magnitude, Tsunami and Two Deaths

On this day in history, the largest earthquake in over a century struck Hawaii the morning of November 29, 1975, at 4:48 AM HST. The earthquake was of magnitude 7.2 on the Richter scale.

largest Hawaii Earthquake

It was centered about 5 km beneath the Kalapana area on the southeastern coast of Hawaii, the largest island of the Hawaiian chainĀ  and was preceded by numerous foreshocks.

The event was accompanied, or followed shortly, by a tsunami, large-scale ground movements, hundreds of aftershocks, an eruption in the summit caldera of Kilauea Volcano.

The earthquake and the tsunami it generated produced about 4.1 million dollars in property damage, and the tsunami caused two deaths.

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