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Lanai volcano

Shield 1021 m / 3350 ft
Hawaiian Islands, United States, 20.82°N / -156.85°W
Current status: (probably) extinct (0 out of 5) | Reports
Lanai volcano books
Typical eruption style: unspecified
Lanai volcano eruptions: None during the past 10,000 years
Less than few million years ago (Pleistocene) No recent earthquakes
TimeMag. / DepthDistanceLocation


The Pleistocene Lanai shield volcano was constructed along three rift zones, the most prominent of which is the NW rift zone. The large submarine Clark debris avalanche extended 150 km S (Moore et al. 1989). A caldera is located at the southern end of the island. Lava and spatter cones were formed along the rift zones. A single Potassium-Argon date of 1.28 +/- 0.4 million years ago has been obtained on Lanai basalts.
Source: Smithsonian / GVP volcano information

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