Skip to main content
U.S. flag

An official website of the United States government

The spatter cone at fissure 8 is now about 55 m (180 ft) tall. Lava...

Detailed Description

The spatter cone at fissure 8 is now about 55 m (180 ft) tall. Lava fountains rise only occasionally above that point, sending a shower of tephra (cooled lava fragments) over the rim.