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Explore our planet through photography and imagery, including climate change and water all the way back to the 1800s when the USGS was surveying the country by horse and buggy.
Photographs from a red wolf (Canis rufus) found dead in North Carolina
Photographs from a red wolf (Canis rufus) found dead in North Carolina, USA. (A) Adult heartworms (Dirolfilaria immitis) in the right ventricle and atria of the heart and extending into the pulmonary artery. (B) Hard, haired nodule on the medial surface of the distal radius of the right leg. (C) Bilaterally symmetric bony proliferative lesions on the
...Double Keyhole Cave Diving
Bobby Scharping, a post-doctoral scholar working with scientists from the USGS (John Pohlman) and the Woods Hole Oceanographic Institution (Stefan Sievert and Matt Charette), documents the environmental conditions where he as emplaced an acoustic current meter and multi-sensor package 90 feet underwater AND underground in Double Keyhole Cave near the coastline of Tampa Bay
...December 2020 USGS Active Groundwater Level Network Animation
The USGS Active Groundwater Level Network includes about 20,000 wells that have been measured by the USGS or USGS cooperators at least once within the past 13 months. The animation shows a daily snapshot of water-level statistics in the network for December 2020.
Refer to the
...Kīlauea west vent on December 31, 2020, morning
The western fissure in Halemaʻumaʻu wall remains active. Glowing vents and a prominent spatter cone are visible in this photo, which shows some spattering at the vent. This view looks steeply down from Kīlauea's west caldera rim, and the lava lake surface is visible in the background. USGS photo by B. Carr on 12/31/2020.
December 31, 2020—Kīlauea summit eruption
View of the northern portion of the lava lake within Halemaʻumaʻu crater at Kīlauea Volcano's summit. Smaller islands present in the northeastern portion of the lava lake are visible. USGS photo by M. Patrick on 12/31/2020. USGS photo by M. Patrick on 12/31/2020.
December 31, 2020—Kīlauea summit eruption
View of the northern portion of the lava lake within Halemaʻumaʻu crater at Kīlauea Volcano's summit. Smaller islands present in the northeastern portion of the lava lake are visible. USGS photo by M. Patrick on 12/31/2020.
December 31, 2020—Kīlauea summit eruption
A channel-like feature is visible on the lava lake surface within Halemaʻumaʻu crater at Kīlauea Volcano's summit. This feature originates from the influx of lava from the western fissure, just out of view on the bottom of the photograph. USGS photo by M. Patrick on 12/31/2020.
December 31, 2020—Kīlauea summit eruption
The view from Kīlauea Volcano's western caldera rim shows the eastern portion of the lava lake in Halemaʻumaʻu crater. The main island is visible in the bottom of the photograph, and smaller islands can be seen above it (to the east). USGS photo by M. Patrick on 12/31/2020.
December 31, 2020—Kīlauea summit eruption
The western fissure in Halemaʻumaʻu wall remains active. Glowing vents and a prominent spatter cone are visible in this photo. This view looks steeply down from Kīlauea's west caldera rim, and the lava lake surface is visible in the background. USGS photo by M. Patrick on 12/31/2020.
December 31, 2020—Kīlauea summit eruption
Kīlauea's summit lava lake in Halemaʻumaʻu is continually re-surfacing. HVO geologists monitoring the activity in the field have observed crustal foundering, in which pieces of solidified lava crust on the surface of the lava lake break and sink back into the liquid portion. USGS photo by M. Patrick on 12/31/2020.
December 31, 2020—Kīlauea summit eruption
Kīlauea's summit lava lake in Halemaʻumaʻu is continually re-surfacing. HVO geologists monitoring the activity in the field have observed crustal foundering, in which pieces of solidified lava crust on the surface of the lava lake break and sink back into the liquid portion. USGS photo by M. Patrick on 12/31/2020.
December 31, 2020—Kīlauea summit eruption contour map
This map of Halema‘uma‘u at the summit of Kīlauea shows 20 m (66 ft) contour lines (dark gray) that mark locations of equal elevation above sea level (asl). The map shows that the lava lake (approximate area marked in red) has filled 184 m (603 ft) of Halema‘uma‘u since the eruption began at approximately 9:30 p.m. HST on December 20, 2020. USGS map.
Jon Cohl ADCP at 01457400 Musconetcong Riegelsville
Photo Contest Winner | January 2021 | People
Jon Cohl ADCP at 01457400 Musconetcong Riegelsville
Annotated photograph of the Halemaʻumaʻu eruption
Annotated eruption photograph taken at 5 p.m. HST on December 30, 2020, from the south rim of Halemaʻumaʻu, Kīlauea Volcano summit. USGS photo by K. Lynn.
Kīlauea summit eruption - Dec. 30, 2020, at 5 a.m. HST
HVO field crews observed activity within Halema‘uma‘u, at Kīlauea Volcano's summit, overnight from within a closed area of Hawai‘i Volcanoes National Park. The area remains closed to the public for safety reasons and HVO field crews are equipped with a range of specialized safety gear and personal protective equipment. In the early hours of December 30, the western vent in
...Incense cedar in the Sierra Nevada
Incense cedar in the Sierra Nevada
Scientist monitoring Kīlauea summit eruption on 12/29/2020
HVO scientists monitor the ongoing Kīlauea summit eruption from within an area of Hawai‘i Volcanoes National Park that remains closed to the public for safety reasons. They are equipped with a range of specialized safety gear and personal protective equipment such as gas masks, helmets, gloves, and eye protection. No major changes were observed at the eruption site
...Kīlauea summit eruption - Dec. 29, 2020 at 5:30 a.m. HST
This photo, taken at approximately 5:30 a.m. December 29, 2020, shows Kīlauea's ongoing summit eruption. The western vent in the wall of Halema‘uma‘u continued to erupt overnight, and the northern/eastern vent remained inactive. At approximately 3:45 a.m. HST today (Dec. 29), HVO field crews measured the lava lake as 179 m (587 ft) deep. USGS photo by H. Dietterich.
Lava Erupting from a Fissure
Animated GIF of lava erupting from a fissure at Kīlauea Volcano at night time on December 27, 2020.
Lava Erupting from a Fissure
Animated GIF of lava erupting from a fissure at Kīlauea Volcano at night time on December 27, 2020.
December 28, 2020—Kīlauea summit eruption thermal map
A helicopter overflight yesterday (Dec. 28, 2020) at approximately 10:30 AM HST allowed for aerial visual and thermal imagery to be collected of the new eruption within Halema'uma'u crater at the summit of Kīlauea Volcano. This preliminary thermal map shows that the lake area has not changed significantly since the thermal map that was made on December 26. The dimensions
...HVO scientist monitors eruption
HVO scientists use a laser rangefinder to measure the distance to the lava lake surface at Kīlauea's summit. By making measurements from a reference point of known elevation, and because the elevation of the base of Halema‘uma‘u before this eruption began was known, scientists can derive the approximate depth of the lava lake which has grown over the past 8 days. In this
...Kīlauea summit eruption - Dec. 28, 2020 at 6 p.m. HST
The eruption with Halema‘uma‘u continues on the evening of December 28, 2020. This photo shows an HVO scientist making observations of Kīlauea's summit lava lake, with Mauna Loa in the background. HVO scientists have been monitoring the eruption from within an area of Hawai‘i Volcanoes National Park that remains closed to the public for safety reasons. No major changes
...December 26, 2020—Kīlauea summit topographic changes
This graphic depicts the changes to Kīlauea Volcano's summit resulting from the eruption that began on December 20, 2020. Pre-eruption topography of Halema'uma'u crater, collected in 2019, is shown on the left and compared to the topography at the summit on December 26, 2020. The models show that the deepest portion of Halema'uma'u at Kīlauea Volcano's summit has been
...December 28, 2020, sunrise at Kīlauea's summit
Sunrise at the summit of Kīlauea, within Hawai‘i Volcanoes National Park, on the morning of December 28, 2020. Portions of Crater Rim Drive that down-dropped during Kīlauea's 2018 collapse events, are visible in the lower left. This area remains closed to the public due to hazardous conditions. USGS photo by C. Parcheta.
Using a laser ranger finder to measure Kīlauea summit eruption
HVO field crews have been using a laser range finder to measure the vertical distance between points of known elevation and features of the ongoing eruption, such as the lava lake surface level and the erupting vents. This morning, the eruption continues at the west vent in Halema‘uma‘u, and streams of lava about 40 m (131 ft) pour from the vent to the lava lake surface.
...Lava Spewing from Fissure; Lavanado — Kīlauea
This animated GIF is captured from a USGS video which shows both lava erupting from a fissure and a wind vortex (lavanado) over the lava lake at Kīlauea Volcano.
Kīlauea summit eruption - Dec. 28, 2020 at 5 a.m. HST
HVO field crews observed the continuing eruption in Halema‘uma‘u at Kīlauea's summit early this morning. Overnight, the western vent in the wall of Halema‘uma‘u continued to erupt, and the northern/eastern vent remained inactive. At approximately 4:30 a.m. HST today (Dec. 28), HVO field crews measured the lava lake as 179 m (586 ft) deep. Note that initial values reported
...December 27, 2020—Kīlauea summit eruption contour map
This map of Halema‘uma‘u at Kīlauea's summit shows 20 m (66 ft) contour lines (black) that mark locations of equal elevation above sea level (asl). The map shows that the lava lake (approximate outline marked in red) has filled 177 m (580 ft) of Halema‘uma‘u since the eruption began at approximately 9:30 p.m. HST on December 20, 2020 (nearly one week ago). The lava lake
...Kīlauea summit eruption - Dec. 27, 2020 at 7:15 a.m. HST
HVO field crews were unable to observe early morning eruption activity in Halema‘uma‘u crater at Kīlauea's summit due to high winds. Upon return to the eruption site this morning, HVO field crews noted the reduced vigor at the western vent. The northern/eastern vent remains inactive. At approximately 7:30 a.m. HST today (Dec. 27), HVO field crews measured the lava lake as
...Kīlauea summit eruption - Dec. 27, 2020 at 7:15 a.m. HST
The western vent in Halema‘uma‘u crater wall at Kīlauea summit remains active but field crews monitoring the eruption this morning (December 27) noted that its vigor is somewhat reduced from yesterday. Where three open channels were observed yesterday, there are only two today. Of the three locations that have been erupting at the west fissure vent, the eastern one has
...KW webcam image taken December 27, 2020, just after 6:30 a.m. HST.
Kīlauea summit KW webam image taken on December 27, 2020, just after 6:30 a.m. HST. The eruption in Halemaʻumaʻu continues and this photo shows that activity remains focused at the west vent as of Dec. 27 morning. You can view live KW webcam images here.
...December 26, 2020—Kīlauea summit eruption thermal map
A helicopter overflight yesterday (Dec. 26, 2020) at approximately 9:30 AM HST allowed for aerial visual and thermal imagery to be collected of the new eruption within Halema'uma'u crater at the summit of Kīlauea Volcano. This preliminary thermal map shows that the new lava lake is 790 m (864 yd) E-W axis and 520 m (569 yd) in N-S axis. The most recent estimate of lake
...Kīlauea summit west vent - Dec. 26, 2020 at 5:15 a.m. HST
As of about 2:40 a.m. HST on December 26, 2020, activity at the west vent in Halema‘uma‘u crater wall at Kīlauea's summit has increased. This photo, taken at approximately 5:15 a.m. HST shows fountaining at the west vent, and lava pouring from the north end of the fissure into the growing lava lake. HVO field crews monitoring the activity overnight measured the west vent
...Kīlauea summit eruption - Dec. 26, 2020 at 5:15 a.m. HST
The eruption continues in Halema‘uma‘u crater at Kīlauea's summit. HVO field crews observing the activity overnight noted that at approximately 2:40 a.m. HST December 26, 2020, activity at west vent in the wall of Halema‘uma‘u rejuvenated: the west vent has became more active than the northern vent. Since the start of the eruption on December 20 at 9:30 p.m. HST, the
...Kīlauea summit eruption - Dec. 25, 2020 at 6 p.m. HST
On the evening of December 25, 2020, the eruption in Halema‘uma‘u crater at Kīlauea's summit continued. Throughout the day, fountaining at two vents continued to feed the rising lava lake which slowly fills Halema‘uma‘u. This photo, taken at approximately 6 p.m. HST from the south rim of the crater shows the main northern vent that is being drowned by the rising lava lake
...December 25, 2020, preliminary map of the lava lake depth at 2:15 p.m.
Lava lake level measurements collected during a field visit of Kīlauea Volcano's summit around 2:15 p.m. HST on December 25, 2020, were used to create a preliminary lava lake depth map. When compared to pre-eruption topographic models, it shows that the bottom of Halema'uma'u crater has been filled by almost 176 m (578 ft) of lava. Map by H. Dietterich.
Kīlauea's summit lava lake - Dec. 25, 2020 at 7:30 a.m. HST
HVO field crews measured Kīlauea's summit lava lake this morning (Dec. 25) around 7:30 a.m. HST. The lake surface is now 445 m (1460 ft) below the crater rim observation site, indicating that the lake has filled 176 m (577 ft) of the bottom of Halema‘uma‘u crater. The lake rose approximately 6 m (20 ft) over the past 24 hours. Fountaining continues at two locations, more
...Kīlauea summit eruption - Dec. 25, 2020 at 2:30 a.m.
An early December 25, 2020, morning view of the ongoing eruption in Halema‘uma‘u crater at Kīlauea's summit. Overnight fountaining continued to feed the rising lava lake, which slowly fills Halema‘uma‘u. This photo, taken at approximately 2:30 a.m. from the south rim of the crater, shows the main northern vent that is being drowned by the rising lava lake. Intermittent
...Halema‘uma‘u lava lake depth compared to Empire State Building
Beginning on December 20, 2020, fissure vents opened in the Halema‘uma‘u crater. The former water lake quickly boiled away and, fed by two active fissures, the new lava lake is rising. How high is the lava in the approximately 54 acre lake? If the Empire State Building, in New York City, was placed at the bottom of Halema‘uma‘u crater, we estimate the lava lake level could
...KW webcam image taken on December 24, 2020, around 6:30 a.m. HST
Kīlauea summit KW webam image taken on December 24, 2020, just after 6:30 a.m. HST. The water lake has been replaced by a lava lake; fissures in the wall of Halemaʻumaʻu feed a lava lake that continues to fill the crater. You can view live KW webcam images here
...December 23, 2020—Kīlauea summit eruption thermal map constructed from
A helicopter overflight yesterday (Dec. 23, 2020) at approximately ~10:30 AM HST allowed for aerial visual and thermal imagery to be collected of the new eruption within Halema'uma'u crater at the summit of Kīlauea Volcano. This preliminary thermal map shows that the new lava lake is 715 m (780 yd) E-W axis and 460 m (500 yd) in N-S axis. The most recent estimate of lake
...Graph showing depth of Halema‘uma‘u lava lake, Kīlauea volcano
Graph showing the depth of the Halema‘uma‘u crater lava lake at Kīlauea Volcano's summit. HVO scientists measure the Kīlauea summit lava level using a small laser rangefinder mounted on a tripod. Measurements began one day after the start of the eruption on December 20, 2020 and are updated by geologists making observations from the field. HVO field crews use a laser range
...Tracking the lava lake in Halema‘uma‘u
Plot showing rise of Kīlauea's summit lava lake since the eruption in Halema‘uma‘u began on December 20 at 9:30 p.m. Since then, laser rangefinder measurements of lava lake surface are made 2–3 times per day. Photos compare the lava lake on the morning of Dec. 21, when it was about 289 ft (87 m) deep, to the evening of Dec. 23 when it was about 511 ft (155 m) deep. For
...Monitoring Kīlauea's new summit lava lake
A helicopter overflight yesterday (Dec. 22, 2020) at approximately ~11:30 AM HST allowed for aerial visual and thermal imagery to be collected, which was used to map the area of Kīlauea's growing summit lava lake in Halema‘uma‘u crater. As of yesterday afternoon, the lake is over 690 m (yd) E-W axis and 410 m (yd) in N-S axis. The lake area is more than 22
...Kīlauea summit eruption - December 23, 2020
Scientists continue to monitor the ongoing eruption in Kīlauea Volcano's summit caldera, Island of Hawai‘i. This photo, from the south rim of Halema‘uma‘u crater and looking north, shows the volcanic gas plume heading west. USGS photo by M. Patrick.
HVO scientist checks monitoring equipment
The current eruption is confined to Halemaʻumaʻu crater within Hawai'i Volcanoes National Park but data from tiltmeters and Global Positioning System (GPS) stations show contraction in the upper portion of the East Rift Zone (an area between Kīlauea’s summit and Pu‘u ‘Ō‘ō). Similar instruments in down-rift areas, including the site of the 2018 eruption, are stable and do
...December 22, 2020—Kīlauea summit eruption thermal map
A helicopter overflight today (Dec. 22, 2020) at approximately ~11:30 AM HST allowed for aerial visual and thermal imagery to be collected of the new eruption within Halema'uma'u crater at the summit of Kīlauea Volcano. This preliminary thermal map shows that the new lava lake is 690 m (yd) E-W axis and 410 m (yd) in N-S axis. The lake area is about 22 hectares (54 acres
...