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Hawaiian fishponds are important cultural and economic resources for native Hawaiians as they are an important component of a sophisticated, integrated food production system. However, changing demographics and systems of land ownership result in declines in the use and upkeep of Hawaiian fishponds throughout the 19th century.
Hawaiian fishponds are important cultural and economic resources for native Hawaiians as they are an important component of a sophisticated, integrated food production system. However, changing demographics and systems of land ownership result in declines in the use and upkeep of Hawaiian fishponds throughout the 19th century.
During the first two weeks of Kīlauea Volcano's 2018 lower East Rift Zone eruption, fissures were characterized by low eruption rates and small flows. This was because the erupted lava originated from pockets of cooler, less fluid magma stored in the rift zone.
During the first two weeks of Kīlauea Volcano's 2018 lower East Rift Zone eruption, fissures were characterized by low eruption rates and small flows. This was because the erupted lava originated from pockets of cooler, less fluid magma stored in the rift zone.
An Unmanned Aircraft Systems overflight of fissure 8 on Saturday afternoon (Sept. 1, 2018) showed incandescence within the cinder cone, with reports that lava had covered the 65x15 m (210x45 ft) crater floor by evening.
An Unmanned Aircraft Systems overflight of fissure 8 on Saturday afternoon (Sept. 1, 2018) showed incandescence within the cinder cone, with reports that lava had covered the 65x15 m (210x45 ft) crater floor by evening.
An Unmanned Aircraft Systems overflight on Sunday afternoon (Sept. 2, 2018) showed that lava remained active within the fissure 8 cone.
An Unmanned Aircraft Systems overflight on Sunday afternoon (Sept. 2, 2018) showed that lava remained active within the fissure 8 cone.
Early this morning, the Unmanned Aircraft Systems team was able to conduct a brief overflight of fissure 8 between passing rain showers, which resulted in abundant steaming on the flow field.
Early this morning, the Unmanned Aircraft Systems team was able to conduct a brief overflight of fissure 8 between passing rain showers, which resulted in abundant steaming on the flow field.
A black sand beach blocks the boat ramp at Isaac Hale Beach Park. The beach consists of fragmented lava rock that is slowly migrating west at Pohoiki Bay.
A black sand beach blocks the boat ramp at Isaac Hale Beach Park. The beach consists of fragmented lava rock that is slowly migrating west at Pohoiki Bay.
Southeast arm of Yellowstone Lake. Photo by Neal Herbert, Yellowstone National Park. Photo source: https://www.flickr.com/photos/yellowstonenps/15005709247/
Southeast arm of Yellowstone Lake. Photo by Neal Herbert, Yellowstone National Park. Photo source: https://www.flickr.com/photos/yellowstonenps/15005709247/
This UAS oblique image of fissure 8 shows that the new lava is mostly confined to the crater floor within the cone, although a small amount extended a short distance into the spillway. HVO geologists noted that the lava activity was at a low level, with the area of incandescence decreasing to almost zero over the course of the afternoon.
This UAS oblique image of fissure 8 shows that the new lava is mostly confined to the crater floor within the cone, although a small amount extended a short distance into the spillway. HVO geologists noted that the lava activity was at a low level, with the area of incandescence decreasing to almost zero over the course of the afternoon.
Another aerial view of the summit crater from this morning's overflight. Zoom in to see HVO and the Park's Jaggar Museum on the caldera rim (right side of photo).
Another aerial view of the summit crater from this morning's overflight. Zoom in to see HVO and the Park's Jaggar Museum on the caldera rim (right side of photo).
Geologic field-trip guide of volcaniclastic sediments from snow- and ice-capped volcanoes—Mount St. Helens, Washington, and Mount Hood, Oregon: U.S. Geological Survey Scientific Investigations Report 2017–5022–F, 97 p., https://doi.org/10.3133/sir20175022F.
Geologic field-trip guide of volcaniclastic sediments from snow- and ice-capped volcanoes—Mount St. Helens, Washington, and Mount Hood, Oregon: U.S. Geological Survey Scientific Investigations Report 2017–5022–F, 97 p., https://doi.org/10.3133/sir20175022F.
This view across the summit caldera shows ground cracks (center) just north of Halema‘uma‘u. Rockfalls within the crater and along the caldera walls continue to stir up dust that can be seen here rising above the caldera rim.
This view across the summit caldera shows ground cracks (center) just north of Halema‘uma‘u. Rockfalls within the crater and along the caldera walls continue to stir up dust that can be seen here rising above the caldera rim.
A group of feral pigs leaves the forest and approaches the photographer at the side of the road. Many parts of Hilo and Hawaii Island are experiencing increased interaction with feral wildlife.
A group of feral pigs leaves the forest and approaches the photographer at the side of the road. Many parts of Hilo and Hawaii Island are experiencing increased interaction with feral wildlife.
Glaucous-winged Gulls capitalize upon a disturbance at the Gull Island colony in 2018 to grab eggs abandoned by breeding Common Murres. One lone Common Murre continues incubation despite the rest of the colony flushing.
Glaucous-winged Gulls capitalize upon a disturbance at the Gull Island colony in 2018 to grab eggs abandoned by breeding Common Murres. One lone Common Murre continues incubation despite the rest of the colony flushing.
Grinnell Glacier from the summit of Mt. Gould, 9/25/2015. Repeat of Hileman, 1938 image.
Grinnell Glacier from the summit of Mt. Gould, 9/25/2015. Repeat of Hileman, 1938 image.
HVO field crews carefully traverse the uneven surface of the channel levee (left of image) to make measurements of the fissure 8 lava channel. The lava is slowly cooling and contracting but the area remains warm (note the steam rising). The view is to the east, with Puu Honuaula in the distance (right of image).
HVO field crews carefully traverse the uneven surface of the channel levee (left of image) to make measurements of the fissure 8 lava channel. The lava is slowly cooling and contracting but the area remains warm (note the steam rising). The view is to the east, with Puu Honuaula in the distance (right of image).
The south edge of the lava flow showed no incandescence this morning and remained less than 0.1 miles from the Pohoiki boat ramp in Isaac Hale Park. The main ocean entry area was still in the Ahalanui area.
The south edge of the lava flow showed no incandescence this morning and remained less than 0.1 miles from the Pohoiki boat ramp in Isaac Hale Park. The main ocean entry area was still in the Ahalanui area.
Void spaces within the cooled lava channel and along the channel margins create hazardous conditions on the fissure 8 flow field. Here, part of the void is visible, but a fragile veneer of lava hides other parts of it (upper right).
Void spaces within the cooled lava channel and along the channel margins create hazardous conditions on the fissure 8 flow field. Here, part of the void is visible, but a fragile veneer of lava hides other parts of it (upper right).
The fissure 8 vent (far distance, upper right) continues to feed an active lava channel on Kīlauea Volcano's lower East Rift Zone, shown here on July 26, 2018.
The fissure 8 vent (far distance, upper right) continues to feed an active lava channel on Kīlauea Volcano's lower East Rift Zone, shown here on July 26, 2018.
Diana McCandless of the Washington State Department of Ecology pauses for a moment, on the beach around the point and to the east of the mouth of Elwha River. McCandless is part of a team of scientists from WA State and the USGS who are periodically mapping the delta and beach areas near the mouth of the Elwha River.
Diana McCandless of the Washington State Department of Ecology pauses for a moment, on the beach around the point and to the east of the mouth of Elwha River. McCandless is part of a team of scientists from WA State and the USGS who are periodically mapping the delta and beach areas near the mouth of the Elwha River.
Landsat sensor technology has come a long way since the days of the Return Beam Vidicon cameras on the first three Landsat satellites. Known as the RBV, it wasoriginally intended to be the satellites’ primary sensor. But the Multispectral
Scanner, or MSS, became the more stable and superior instrument.
Landsat sensor technology has come a long way since the days of the Return Beam Vidicon cameras on the first three Landsat satellites. Known as the RBV, it wasoriginally intended to be the satellites’ primary sensor. But the Multispectral
Scanner, or MSS, became the more stable and superior instrument.
The caldera floor near Halema‘uma‘u is a jumble of down-dropped blocks and surface cracks. HVO field crews hiked along the roadway to verify the location of benchmarks (lower left) and prepare for additional geophysical work to document the changes. The road provided access to the Overlook parking area, closed since 2008.
The caldera floor near Halema‘uma‘u is a jumble of down-dropped blocks and surface cracks. HVO field crews hiked along the roadway to verify the location of benchmarks (lower left) and prepare for additional geophysical work to document the changes. The road provided access to the Overlook parking area, closed since 2008.