A Slow Emergency and a Sudden Slump | WHAT REALLY HAPPENED

A Slow Emergency and a Sudden Slump

This type of motion is not new, it actually has a name. It is called the Hilina Slump. During the last strong quake in Hawaii, a magnitude 7.2 event on November 29th 1975, this slump slid toward the ocean by about 11 feet. Another temblor, the 7.9 magnitude Hawaii quake of 1868 caused the slump to move as well, resulting in a tsunami with a maximum wave height of about 60 feet.

Webmaster's Commentary: 

Following the 6.9 quakes, the south flank of Kilauea, below the rift, slid toward the ocean by 2 feet.

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