During recent summit deflation, the lava lake within Halema‘uma‘u Crater dropped out of view of overlooks in Hawai‘i Volcanoes National Park. But since the switch to inflation early Sunday morning (September 18), Kīlauea Volcano's summit lava lake has been rising again, bringing the lake surface back into view.
Images
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During recent summit deflation, the lava lake within Halema‘uma‘u Crater dropped out of view of overlooks in Hawai‘i Volcanoes National Park. But since the switch to inflation early Sunday morning (September 18), Kīlauea Volcano's summit lava lake has been rising again, bringing the lake surface back into view.
USGS personnel maintaining weather station on Sperry Glacier in Glacier National Park
USGS personnel maintaining weather station on Sperry Glacier in Glacier National Park
Necropsy of bird performed by NWHC pathologist.
Necropsy of bird performed by NWHC pathologist.
Two scientists on the Arctic coastal bluff preparing a study location with cameras that they hope will run continuously, collecting images.
Two scientists on the Arctic coastal bluff preparing a study location with cameras that they hope will run continuously, collecting images.
Adult polar bear walking across a recently overwashed barrier island during a large Arctic storm in September 2016. The barrier island is offshore of Barter Island on Alaska’s north coast.
Adult polar bear walking across a recently overwashed barrier island during a large Arctic storm in September 2016. The barrier island is offshore of Barter Island on Alaska’s north coast.
Greater Yellowstone Area ice patches, northwestern Wyoming
Greater Yellowstone Area ice patches, northwestern Wyoming
Pacific Golden-Plover standing on rocks near Big Creek, Alaska.
Pacific Golden-Plover standing on rocks near Big Creek, Alaska.
Christie gears up to survey beach elevation in Santa Cruz, CA with a precise and accurate GPS unit mounted to her backpack. The GPS unit on her backpack communicates with a nearby "base station" to minimize errors in location.
Christie gears up to survey beach elevation in Santa Cruz, CA with a precise and accurate GPS unit mounted to her backpack. The GPS unit on her backpack communicates with a nearby "base station" to minimize errors in location.
USGS team of scientists electro-shocking (fishing) Zollner Creek, OR.
USGS team of scientists electro-shocking (fishing) Zollner Creek, OR.
North Santiam River Valley downstream of Detroit Dam, as viewed from the top of Detroit Dam.
North Santiam River Valley downstream of Detroit Dam, as viewed from the top of Detroit Dam.
The Agashashok River and Asik watershed
The Agashashok River and Asik watershed
The explosive interaction of hot lava entering cool seawater throws spatter (clots of molten lava, visible at center of image) from the leading edge of the lava delta forming at Kīlauea's Kamokuna ocean entry.
The explosive interaction of hot lava entering cool seawater throws spatter (clots of molten lava, visible at center of image) from the leading edge of the lava delta forming at Kīlauea's Kamokuna ocean entry.
A river in Easton Kansas washes over a road.
A forest stream in Virginia with fall leaves.
A forest stream in Virginia with fall leaves.
USGS scientists Jonathan Warrick and Jeff Duda receiving Riverprize recognition in New Delhi, India. Image courtesy of International Riverfoundation.
USGS scientists Jonathan Warrick and Jeff Duda receiving Riverprize recognition in New Delhi, India. Image courtesy of International Riverfoundation.
Looking West To Old Rag Mountain in Madison County Virginia
Looking West To Old Rag Mountain in Madison County Virginia
A polar bear rests in a field on Barter Island, Alaska.
A polar bear rests in a field on Barter Island, Alaska.
Polar bear lounging on Alaska’s north coast.
A photo of a Johnson County stream flowing through rocks and greenery on both sides of the stream.
A photo of a Johnson County stream flowing through rocks and greenery on both sides of the stream.
USGS coral reef scientists, from left to right: Jill Bourque, Cheryl Morrison, Nancy Prouty, Katharine Coykendall, Amanda Demopoulos, and Christina Kellogg. All women presented their research at the 6th International Symposium of Deep Sea Corals, September 11-16, 2016.
USGS coral reef scientists, from left to right: Jill Bourque, Cheryl Morrison, Nancy Prouty, Katharine Coykendall, Amanda Demopoulos, and Christina Kellogg. All women presented their research at the 6th International Symposium of Deep Sea Corals, September 11-16, 2016.
The lava lake at the summit of Kīlauea remained at a high level today, about 18 m (60 ft) from the floor of Halema‘uma‘u Crater at the time of this photo.
The lava lake at the summit of Kīlauea remained at a high level today, about 18 m (60 ft) from the floor of Halema‘uma‘u Crater at the time of this photo.