The new eruption at the summit of Kīlauea volcano on September 10, 2023. After about an hour of increased seismic activity and uplift, HVO scientists observed the start of the eruption at approximately 3:15 p.m. HST.
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The new eruption at the summit of Kīlauea volcano on September 10, 2023. After about an hour of increased seismic activity and uplift, HVO scientists observed the start of the eruption at approximately 3:15 p.m. HST.
The new eruption at the summit of Kīlauea volcano on September 10, 2023. After about an hour of increased seismic activity and uplift, HVO scientists observed the start of the eruption at approximately 3:15 p.m. HST.
The new eruption at the summit of Kīlauea volcano on September 10, 2023. After about an hour of increased seismic activity and uplift, HVO scientists observed the start of the eruption at approximately 3:15 p.m. HST.
The new eruption at the summit of Kīlauea volcano on September 10, 2023. After about an hour of increased seismic activity and uplift, HVO scientists observed the start of the eruption at approximately 3:15 p.m. HST.
The new eruption at the summit of Kīlauea volcano on September 10, 2023. After about an hour of increased seismic activity and uplift, HVO scientists observed the start of the eruption at approximately 3:15 p.m. HST.
The new eruption at the summit of Kīlauea volcano on September 10, 2023. After about an hour of increased seismic activity and uplift, HVO scientists observed the start of the eruption at approximately 3:15 p.m. HST.
The new eruption at the summit of Kīlauea volcano on September 10, 2023. After about an hour of increased seismic activity and uplift, HVO scientists observed the start of the eruption at approximately 3:15 p.m. HST.
The new eruption at the summit of Kīlauea volcano on September 10, 2023. After about an hour of increased seismic activity and uplift, HVO scientists observed the start of the eruption at approximately 3:15 p.m. HST.
The new eruption at the summit of Kīlauea volcano on September 10, 2023. After about an hour of increased seismic activity and uplift, HVO scientists observed the start of the eruption at approximately 3:15 p.m. HST.
An eruption at the summit of Kīlauea volcano began on September 10, 2023. The main fountain, which HVO geologists estimate is approximately 50 meters tall, is on the eastern margin of Halemaʻumaʻu crater. As of approximately 4:30 p.m.
An eruption at the summit of Kīlauea volcano began on September 10, 2023. The main fountain, which HVO geologists estimate is approximately 50 meters tall, is on the eastern margin of Halemaʻumaʻu crater. As of approximately 4:30 p.m.

This video, captured the evening of September 10, 2023, from near the Uēkahuna overlook within Hawai'i Volcanoes National Park, shows the new eruption within Kīlauea caldera. After approximately an hour of elevated earthquake and ground deformation, the eruption began at 3:13 p.m. on September 10, 2023.
This video, captured the evening of September 10, 2023, from near the Uēkahuna overlook within Hawai'i Volcanoes National Park, shows the new eruption within Kīlauea caldera. After approximately an hour of elevated earthquake and ground deformation, the eruption began at 3:13 p.m. on September 10, 2023.
This timelapse video shows the first two days of the recent eruption at Kīlauea summit, which was active September 10 to 16, 2023. Over this initial period, the fountaining at either end of the fissure system gradually shuts down as activity focuses on the central portion.
This timelapse video shows the first two days of the recent eruption at Kīlauea summit, which was active September 10 to 16, 2023. Over this initial period, the fountaining at either end of the fissure system gradually shuts down as activity focuses on the central portion.
A herd of bison strolls through an open meadow close to sunset in Yellowstone National Park, Wyoming.
A herd of bison strolls through an open meadow close to sunset in Yellowstone National Park, Wyoming.
A view of Castle Geyser erupting as a rainbow rises out and over the eruption. Castle Geyser is located in the Upper Geyser Basin of Yellowstone National Park, Wyoming.
A view of Castle Geyser erupting as a rainbow rises out and over the eruption. Castle Geyser is located in the Upper Geyser Basin of Yellowstone National Park, Wyoming.
"Ear Spring is a truly hot spring, with surface water temperatures often above the boiling point of 198°F (92°C) at this elevation. True to its name, this pool is shaped somewhat like an ear." - NPS
"Ear Spring is a truly hot spring, with surface water temperatures often above the boiling point of 198°F (92°C) at this elevation. True to its name, this pool is shaped somewhat like an ear." - NPS
A view of the Grand Prismatic Hot Spring from the vantage point of the Grand Prismatic Overlook Trail in Yellowstone National Park, Wyoming.
A view of the Grand Prismatic Hot Spring from the vantage point of the Grand Prismatic Overlook Trail in Yellowstone National Park, Wyoming.
The famous Old Faithful geyser begins an eruption as visitors watch in the distance. This view is looking from Beehive Geyser toward Old Faithful.
The famous Old Faithful geyser begins an eruption as visitors watch in the distance. This view is looking from Beehive Geyser toward Old Faithful.
A rainbow rises over Ledge Geyser in Yellowstone National Park, Wyoming. "Ledge is the second largest geyser in the Norris Geyser Basin, capable of shooting water 125 feet into the air. Because it erupts at an angle, however, the water will sometimes reach the ground 220 feet away." - NPS
A rainbow rises over Ledge Geyser in Yellowstone National Park, Wyoming. "Ledge is the second largest geyser in the Norris Geyser Basin, capable of shooting water 125 feet into the air. Because it erupts at an angle, however, the water will sometimes reach the ground 220 feet away." - NPS
A picturesque shot of the sun setting while driving through north Yellowstone National Park, Wyoming.
A picturesque shot of the sun setting while driving through north Yellowstone National Park, Wyoming.
An explosive eruption of silica water erupts from Beehive Geyser located in the Upper Geyser Basin in Yellowstone National Park, Wyoming. The Upper Geyser Basin is also home to the famous Old Faithful geyser which sits just behind Beehive Geyser in the distance.
An explosive eruption of silica water erupts from Beehive Geyser located in the Upper Geyser Basin in Yellowstone National Park, Wyoming. The Upper Geyser Basin is also home to the famous Old Faithful geyser which sits just behind Beehive Geyser in the distance.
This photo shows a river with thermal views below the bridge near the Monument Geyser Trailhead in Yellowstone National Park, Wyoming.
This photo shows a river with thermal views below the bridge near the Monument Geyser Trailhead in Yellowstone National Park, Wyoming.
The Gibbon River, named for Colonel (later General) John Gibbon, who was a member of an early exploring survey of the Yellowstone region, starts near the Center of Yellowstone National Park. All of the outflow from Norris Geyser Basin drains into the river, which merges with the Firehole River in the west part of the park to become the Madison River.
The Gibbon River, named for Colonel (later General) John Gibbon, who was a member of an early exploring survey of the Yellowstone region, starts near the Center of Yellowstone National Park. All of the outflow from Norris Geyser Basin drains into the river, which merges with the Firehole River in the west part of the park to become the Madison River.
Beryl Spring, in the Gibbon River Canyon, is chemically complex—it has a pool with a basic composition and a steam vent with an acidic composition! It’s location next to the highway has caused numerous problems for the road, requiring some creative engineering solutions and a lot of geological expertise!
Beryl Spring, in the Gibbon River Canyon, is chemically complex—it has a pool with a basic composition and a steam vent with an acidic composition! It’s location next to the highway has caused numerous problems for the road, requiring some creative engineering solutions and a lot of geological expertise!
A bison is seen shuffling slowly down a road in Yellowstone National Park. The bison appears to be staying to the shoulder allowing others to safely bypass. The bison was safely recorded from inside a stopped vehicle. Never approach bison on the roadway.
A bison is seen shuffling slowly down a road in Yellowstone National Park. The bison appears to be staying to the shoulder allowing others to safely bypass. The bison was safely recorded from inside a stopped vehicle. Never approach bison on the roadway.
In Yellowstone, a clue about whether a thermal feature is acidic or basic is the style of the feature. Pools of water are generally basic, while mud pots are acidic. Blue Mud Steam Vent is a classic example of an acidic mud pot.
In Yellowstone, a clue about whether a thermal feature is acidic or basic is the style of the feature. Pools of water are generally basic, while mud pots are acidic. Blue Mud Steam Vent is a classic example of an acidic mud pot.