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plate boundary

American  
[playt baund-er-ee, baun-dree] / ˈpleɪt ˈbaʊnd ər i, ˈbaʊn dri /

noun

  1. Geology. Also called tectonic boundary, tectonic plate boundary, a bordering edge between two tectonic plates, along which most volcanic and earthquake activity occurs as the plates push into each other, pull apart from each other, or slide against each other.


Example Sentences

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Caracas’ seismic risk is similar to the risk Los Angeles and San Francisco face, as each of the three cities sits near a tectonic plate boundary “and therefore historically have had bigger earthquakes,” Jones said.

From Los Angeles Times Jun. 25, 2026

Before the plate boundary moved into the area, the oceanic crust there had already become unusually thick and heated.

From Science Daily Feb. 23, 2026

The site of the development is located along an earthquake-prone tectonic plate boundary.

From BBC Dec. 27, 2024

“It’s not quite as obvious, because there is no tectonic plate boundary that is active,” Dr. Frank said.

From New York Times Apr. 5, 2024

Pakistan and the region, which sit along an active continental plate boundary, are often hit by earthquakes.

From Seattle Times Jan. 11, 2024

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