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Ring of Fire

American  

noun

Geology.
  1. Also called Circum-Pacific belt.  the linear zone of seismic and volcanic activity that coincides in general with the margins of the Pacific Plate.


Etymology

Origin of Ring of Fire

First recorded in 1870–75

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Japan's precarious location on the Ring of Fire means it experiences about 1,500 earthquakes a year, and accounts for 10% of quakes measuring 6.0 magnitude or higher worldwide.

From BBC • Apr. 20, 2026

“Taiwan’s geography adds another layer of vulnerability, as the Pacific Ring of Fire exposes production to earthquakes, tsunamis and severe weather events,” says Helfstein.

From MarketWatch • Jan. 16, 2026

Earthquakes are a near-daily occurrence in the Philippines, which is situated on the Pacific "Ring of Fire", an arc of intense seismic activity stretching from Japan through Southeast Asia and across the Pacific basin.

From Barron's • Oct. 11, 2025

The Philippines, which sits on the geologically unstable "Ring of Fire", has been reeling from a string of devastating natural disasters.

From BBC • Oct. 10, 2025

Because these faults produce volcanic activity, the arc has become known as the Ring of Fire.

From "Meltdown" by Deirdre Langeland

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