Kīlauea's Summit Eruption: One Year of Spectacular Volcanic Activity
The one-year anniversary of Kīlauea's summit eruption was marked by scientists closely monitoring conditions that could lead to the next episode. The U.S. Geological Survey reported ongoing inflation at the summit, with glow and intermittent spatter observed from the north and south vents. The eruption, which began on December 23, 2024, has transformed the terrain of Hawaiʻi Volcanoes National Park and attracted visitors from around the world.
Two vents on Halemaʻumaʻu crater's southwest floor have released 53 billion gallons of lava over the past year, creating a thick lava wedge on the surface of the lava lake. The eruption has seen 38 episodes so far, each varying in duration and intensity. Episode 35 produced fountains reaching heights comparable to the Eiffel Tower in Paris, France.
The recent Episode 38, which occurred on December 6, 2025, was particularly remarkable, with the highest effusion rate recorded during the eruption. The power of the episode buried one of the monitoring cameras under 50 feet of molten spatter. Despite the challenges posed by volcanic debris, scientists have found ways to navigate the park safely, including using snowshoes to walk on recent volcanic deposits.
The eruption has led to a significant increase in visitors to the park, with more than 157,000 people visiting in November 2025, a 43% increase from the previous year. Park officials are emphasizing safety guidelines to ensure visitors stay on trails, avoid closed areas, and respect the local culture and traditions. With no signs of the eruption stopping anytime soon, scientists continue to monitor Kīlauea's activity closely.
In conclusion, the ongoing eruption at Kīlauea's summit has captivated visitors and scientists alike, with each episode offering a unique and awe-inspiring display of volcanic activity. As the eruption continues to shape the landscape of Hawaiʻi Volcanoes National Park, visitors are reminded to prioritize safety, respect the local culture, and appreciate the significance of the natural wonders they are witnessing.