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Wapi Flow

2,270 Year Old Basaltic Lava Flow

Lava Flow in Craters of the Moon NM (BLM), Craters of the Moon NM, Columbia Plateau, Rocky Mountains, Great Rift WSA in ID

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The Wapi lava field, southeast of the Craters of the Moon lava field, covers about 325 km2 (125 mi2), and consists of a low shield volcano formed during an eruption about 2,270 years ago that produced about 6 km3 (1.4 mi3) of fluid pahoehoe lava flows. The small King's Bowl lava field immediately to the north was also formed at about the same time (2,222 years ago) along a central eruptive fissure flanked by two parallel non-eruptive fissures. This eruption produced a phreatic explosion that created Kings Bowl, an 80-m-long, 30-m-deep (260-by-100 ft) explosion crater.

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