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10sparks

Fact 1100 — Hawaiian drift

The Hawaiian Islands sit on the Pacific Plate, which moves northwest over a relatively stationary mantle hotspot. USGS estimates the current rate at about 6 cm per year; some broader summaries of plate motion give about 10 cm/year. “Toward Japan” is an approximate direction, and 10 cm/year is not the only estimate. [1–2]

Schematic island motion over a hotspot; synthetic illustration.