Skip to main content
U.S. flag

An official website of the United States government

Enjoy Nature's Fireworks Show

Detailed Description

Littoral explosions at an ocean entry on January 30, 1996, blasted incandescent lava fragments 50 m (165 feet) high. The explosions, caused by lava delta collapses, also threw blocks of solid rock nearly 1 m (3 feet) in diameter up to 250 m (270 yards) inland. USGS-HVO photo.