The USGS said lava fountains from the north vent reached a maximum height of between 500 and 600 feet before they started to decrease.

A tall fountain of lava is spewing from a volcano on Hawaii’s Big Island again. Webcam video from Tuesday shows vigorous streams of glowing-red molten rock in the latest episode of an on-and-off eruption.

The latest activity, classified as episode 11 of the ongoing eruption, began at 6:26 p.m. with low-intensity spattering before intensifying. By 6:50 p.m., lava was flowing onto the caldera floor through a spillway in the north vent, covering 10% to 15% of Halemaumau’s floor, officials said.

Lava fountains from a Hawaii volcano reached heights of 600 feet (180 meters) during the latest episode of an eruption that has been pausing and resuming for several months. Fountains dropped in height 250 feet (80 meters) to 300 feet (90 meters) on Tuesday night,

Kilauea, one of the world’s most active volcanoes, has been erupting on and off for nearly two months since it burst to life on Dec. 23. The eruption has been taking place at the volcano’s summit crater inside Hawaii Volcanoes National Park. No residential areas have been threatened by lava.

Hawaii’s Kilauea volcano spews lava again Watch live view of Mount Kilauea erupting in Hawaii as lava shoots into the sky in tall fountains that were expected to grow even bigger as part of an off-and-on eruption.

The eruption began on December 23 in a crater at the summit of Kilauea, one of the world’s most active volcanoes.