Volcanic field

The type and number of volcanoes required to be called a "field" is not well-defined.

[1] Volcanic fields usually consist of clusters of up to 100 volcanoes such as cinder cones.

Alexander von Humboldt observed in 1823 that geologically young volcanoes are not distributed uniformly across the Earth's surface, but tend to be clustered into specific regions.

[4] Scoria cones are particularly prone to cluster into volcanic fields, which are typically 30–80 kilometers (19–50 miles) in diameter and consist of several tens to several hundred individual cones.

The unusually large Trans-Mexican Volcanic Belt has nearly 1000 cones covering an area of 60,000 square kilometers (23,000 sq mi).