1975 Hawaii earthquake

1975 Hawaii earthquake
Date November 29, 1975 (1975-11-29)
Magnitude 7.2 Mw
Epicenter 19°20′02″N 155°01′26″W / 19.334°N 155.024°W / 19.334; -155.024Coordinates: 19°20′02″N 155°01′26″W / 19.334°N 155.024°W / 19.334; -155.024
Areas affected United States, Hawaii
Tsunami yes
Casualties 2

The 1975 Hawaii earthquake was a large earthquake and tsunami event in Hawaii. The quake measured 7.2 on the Moment magnitude scale, and was felt across several of the Hawaiian Islands. This event was notable for the large tsunami that was as high as 47 feet triggered by the quake. Two people were killed and 19 others were injured. Significant damage occurred in the southern part of the Big Island worth $4.1 million from the shaking and the tsunami. The tsunami was also detected in Alaska, California, Japan, Samoa, and on Johnston and Wake Islands. The earthquake also caused significant changes to shorelines along the southern coast of the Big Island with subsidence of 12 feet observed causing some areas to be permanently submerged. It also triggered a small brief eruption of Kilauea volcano. The quake itself occurred on the Hilina Slump, which was responsible for a more powerful earthquake and tsunami in 1868.

See also


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