Following the draining of magma from Pu‘u ‘Ō‘ō on April 30, 2018, the crater was roughly 356 meters (1168 feet) deep. The upper part of the crater was flaring, with the deepest portion a narrower cylindrical shaft.
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Following the draining of magma from Pu‘u ‘Ō‘ō on Ap
Following the draining of magma from Pu‘u ‘Ō‘ō on April 30, 2018, the crater was roughly 356 meters (1168 feet) deep. The upper part of the crater was flaring, with the deepest portion a narrower cylindrical shaft.
Did groundwater trigger explosive eruptions at Kīlauea?
Explosive eruption columns of ash rising from Halema‘uma‘u at 11:15 a.m. on May 18, 1924 (top) and at 11:05 a.m. on May 15, 2018 (bottom) look similar.
Explosive eruption columns of ash rising from Halema‘uma‘u at 11:15 a.m. on May 18, 1924 (top) and at 11:05 a.m. on May 15, 2018 (bottom) look similar.
COAWST Model Prediction
COAWST model prediction on September 13, 2018 at 17:00:00. Arrows are wind speed and direction and colors are wave heights in meters.
COAWST model prediction on September 13, 2018 at 17:00:00. Arrows are wind speed and direction and colors are wave heights in meters.
Rockfalls continue to change the shape of Pu‘u ‘Ō‘ō
The video was taken during an overflight of Pu‘u ‘Ō‘ō crater on Kīlauea's middle East Rift Zone. No major changes were observed, but the crater shape continues to change due to continued rockfalls.
The video was taken during an overflight of Pu‘u ‘Ō‘ō crater on Kīlauea's middle East Rift Zone. No major changes were observed, but the crater shape continues to change due to continued rockfalls.
Hurricane Florence will erode or overwash beaches
The USGS Coastal Change Hazards Storm Team has forecast coast-wide levels of beach erosion, inundation and overwash due to Hurricane Florence's expected path and landgfall.
The USGS Coastal Change Hazards Storm Team has forecast coast-wide levels of beach erosion, inundation and overwash due to Hurricane Florence's expected path and landgfall.
Sea water levels to go up, stay up as Florence affects coast
The Coastal Change Hazards Storm Team has forecast changing water levels at specific locations over time.
The Coastal Change Hazards Storm Team has forecast changing water levels at specific locations over time.
USGS Scientists Get Ready for Hurricanes
A USGS hydrologic scientist installs a storm-tide sensor near the North Carolina coast as Hurricane Florence approaches.
A USGS hydrologic scientist installs a storm-tide sensor near the North Carolina coast as Hurricane Florence approaches.
Peace at dusk
USGS oceanographer Shawn Harrison stands on the coastal bluff of Barter Island, Alaska at sunset. Shawn and his fellow researchers are studying how the highly erosive bluff changes under the varied conditions experienced by this stretch of coastline.
USGS oceanographer Shawn Harrison stands on the coastal bluff of Barter Island, Alaska at sunset. Shawn and his fellow researchers are studying how the highly erosive bluff changes under the varied conditions experienced by this stretch of coastline.
Retrieving Seismic Airguns
USGS personnel on the deck of the R/V Hugh R.
USGS personnel on the deck of the R/V Hugh R.
Landsat-8 nighttime thermal infrared image from April 2017 showing the Tern Lake
Landsat-8 nighttime thermal infrared image from April 2017 showing the Tern Lake area. In Yellowstone, temperatures are extremely cold at night in the winter, and most lakes are frozen (dark pixels). West Tern Lake seems to be thawing here - perhaps it receives some thermal waters from nearby hot springs.
Landsat-8 nighttime thermal infrared image from April 2017 showing the Tern Lake area. In Yellowstone, temperatures are extremely cold at night in the winter, and most lakes are frozen (dark pixels). West Tern Lake seems to be thawing here - perhaps it receives some thermal waters from nearby hot springs.
View into Halema‘uma‘u from the west rim of Kīlauea's summit ca
View into Halema‘uma‘u from the west rim of Kīlauea's summit caldera. USGS photo: J. Kauahikaua, 03 March 2019
View into Halema‘uma‘u from the west rim of Kīlauea's summit caldera. USGS photo: J. Kauahikaua, 03 March 2019
View of the Mono Lake-Long Valley volcanic region
Aerial view due south of the Mono Lake-Long Valley volcanic region. Inset map shows locations of latest Pleistocene–Holocene silicic magmatic centers relative to Long Valley caldera. Rhyolites of the Mono–Inyo chain are shown in pink, and the dacitic–rhyodacitic Mammoth Mountain dome complex is shown in blue. U.S.
Aerial view due south of the Mono Lake-Long Valley volcanic region. Inset map shows locations of latest Pleistocene–Holocene silicic magmatic centers relative to Long Valley caldera. Rhyolites of the Mono–Inyo chain are shown in pink, and the dacitic–rhyodacitic Mammoth Mountain dome complex is shown in blue. U.S.
Huckleberry Ridge Tuff deposit exposed on Mt. Everts, Yellowstone National Park
Huckleberry Ridge Tuff deposit exposed on Mt. Everts, near the northern boundary of Yellowstone National Park. The deposit was created by ash falling from the plume early in the eruption sequence, 2.08 million years ago. Photo by Madison Myers, Montana State University.
Huckleberry Ridge Tuff deposit exposed on Mt. Everts, near the northern boundary of Yellowstone National Park. The deposit was created by ash falling from the plume early in the eruption sequence, 2.08 million years ago. Photo by Madison Myers, Montana State University.
How do lava flows cool and how long does it take?
This ‘a‘ā flow erupted from fissure 8 on Kīlauea Volcano's lower East Rift Zone on June 1, 2018, shows how the interior of a lava flow remains incandescently hot even though surface cooling forms a crust of solid rubble.
This ‘a‘ā flow erupted from fissure 8 on Kīlauea Volcano's lower East Rift Zone on June 1, 2018, shows how the interior of a lava flow remains incandescently hot even though surface cooling forms a crust of solid rubble.
Science cover_2018 rift eruption and summit collapse of Kīlauea
Science cover_2018 rift eruption and summit collapse of Kīlauea
Science cover_2018 rift eruption and summit collapse of Kīlauea
Low sulfur emissions mean a new focus on a different volcanic gas
A USGS pilot and Hawaiian Volcano Observatory gas geochemist prepare to conduct a test flight of an unmanned aerial system (UAS) on Kīlauea Volcano in November 2018. This UAS was outfitted with a prototype miniaturized multi-gas sensor for the detection of volcanic gases emitted by Kīlauea, including sulfur dioxide and carbon dioxide.
A USGS pilot and Hawaiian Volcano Observatory gas geochemist prepare to conduct a test flight of an unmanned aerial system (UAS) on Kīlauea Volcano in November 2018. This UAS was outfitted with a prototype miniaturized multi-gas sensor for the detection of volcanic gases emitted by Kīlauea, including sulfur dioxide and carbon dioxide.
Atlantic Spotted Dolphins
Atlantic spotted dolphins photographed near the R/V Hugh R. Sharp on August 27, 2018 by the protected species visual observers.
Atlantic spotted dolphins photographed near the R/V Hugh R. Sharp on August 27, 2018 by the protected species visual observers.
Cover of California's Fourth Climate Change Assessment Report
Cover of the 2018 publication, "California’s Fourth Climate Change Assessment: Statewide Summary Report."
Cover of the 2018 publication, "California’s Fourth Climate Change Assessment: Statewide Summary Report."
Impact of Hurricane Lane on Wailuku River
Two views from the Rainbow Falls overlook, downstream of the Wailuku River streamgage near Hilo, Hawaii. The image on the left shows a typical base flow of about 35 cubic feet per second (cfs). The image on the right shows the early impact of Hurricane Lane with a flow of about 26,000 cfs taken at 8:35 a.m. HST, August 23, 2018. This U.S.
Two views from the Rainbow Falls overlook, downstream of the Wailuku River streamgage near Hilo, Hawaii. The image on the left shows a typical base flow of about 35 cubic feet per second (cfs). The image on the right shows the early impact of Hurricane Lane with a flow of about 26,000 cfs taken at 8:35 a.m. HST, August 23, 2018. This U.S.
Why do some Hawaii earthquakes occur so far offshore?
Many of the earthquakes in Hawaii that extend offshore and up the island chain are due to plate bending, or flexure. The upper panel shows magnitude-5 and greater earthquakes since 1861, with some notable events labeled.
Many of the earthquakes in Hawaii that extend offshore and up the island chain are due to plate bending, or flexure. The upper panel shows magnitude-5 and greater earthquakes since 1861, with some notable events labeled.
A sensor data logger recovered from the floor of Yellowstone Lake in the Deep Ho
A sensor data logger recovered from the floor of Yellowstone Lake in the Deep Hole area in 2018 shows signs of melting due to unexpectedly high temperatures in sediments up to ~3 ft (1 m) away from an active hydrothermal vent. Image acquired by the Global Foundation for Ocean Exploration ROV Yogi on August 4, 2018.
A sensor data logger recovered from the floor of Yellowstone Lake in the Deep Hole area in 2018 shows signs of melting due to unexpectedly high temperatures in sediments up to ~3 ft (1 m) away from an active hydrothermal vent. Image acquired by the Global Foundation for Ocean Exploration ROV Yogi on August 4, 2018.