Hawaii's Kilauea Volcano, one of the most active in the world, has erupted again after a brief pause in activity. This is now Kilauea's third eruption this year.
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The eruption that began on September 10, 2023 has ended. No lava fountains, flows, or glow are visible at this time. Read the activity summary of Kilauea, courtesy of USGS. Read the activity summary of Mauna Loa, courtesy of USGS.
At this time, Kilauea is no longer erupting. Lava supply to the Halema?uma?u lava lake paused on September 16, 2023, based on lava lake levels and the behavior of the crater floor. Kilauea could begin erupting again at any time, however. HVO continues to closely monitor Kilauea for signs of renewed activity.
Steamboat Geyser did not have a major eruption in September, but minor eruptions starting in late September indicate that the geyser is likely to erupt in the coming weeks. There have been six major water eruptions of the geyser so far in 2023.
For the past 200 years, Mauna Loa and Kilauea have tended to erupt on average every two or three years, placing them among the most frequently active volcanoes of the world. Some intervals of repose between eruptions at a given volcano have been much longer than its long-term average.
Rising gradually to more than 4 km (2.5 mi) above sea level, Hawaii's Mauna Loa is the largest active volcano on our planet. Its submarine flanks descend to the sea floor an additional 5 km (3 mi), and the sea floor in turn is depressed by Mauna Loa's great mass another 8 km (5 mi).