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The USGS is a science organization that provides impartial information on the health of our ecosystems and environment, the natural hazards that threaten us, the natural resources we rely on, the impacts of climate and land-use change, and the core science systems that help us provide timely, relevant, and useable information.

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UAS Video, July 19, 2017, of the Mud Creek Landslide in Big Sur
UAS Video, July 19, 2017, of the Mud Creek Landslide in Big Sur
UAS Video, July 19, 2017, of the Mud Creek Landslide in Big Sur

The Mud Creek landslide on Big Sur coast, California, occurred on May 20, 2017. USGS Mendenhall researcher Shawn Harrison took this video from an unmanned aerial system (UAS) on July 19, 2017. USGS drone footage shows the slide from many angles.

The Mud Creek landslide on Big Sur coast, California, occurred on May 20, 2017. USGS Mendenhall researcher Shawn Harrison took this video from an unmanned aerial system (UAS) on July 19, 2017. USGS drone footage shows the slide from many angles.

Sagebrush Ecosystems in a Changing Climate and Adaptive Management
Sagebrush Ecosystems in a Changing Climate and Adaptive Management
Sagebrush Ecosystems in a Changing Climate and Adaptive Management

This webinar was conducted on July 17, 2017 as part of the USGS National Climate Change and Wildlife Science Center Climate Change Science and Management Webinar Series, held in partnership with FWS National Conservation Training Center. 

This webinar was conducted on July 17, 2017 as part of the USGS National Climate Change and Wildlife Science Center Climate Change Science and Management Webinar Series, held in partnership with FWS National Conservation Training Center. 

Debris flow monitoring at Chalk Cliffs, CO (2017)
Debris flow monitoring at Chalk Cliffs, CO (2017)
Debris flow monitoring at Chalk Cliffs, CO (2017)

The USGS and its cooperators have installed debris-flow monitoring equipment in the largest drainage basin at Chalk Cliffs, CO. Data collection at this site supports research on the hydrologic factors that control debris-flow initiation, entrainment, and flow dynamics.

The USGS and its cooperators have installed debris-flow monitoring equipment in the largest drainage basin at Chalk Cliffs, CO. Data collection at this site supports research on the hydrologic factors that control debris-flow initiation, entrainment, and flow dynamics.

Pāhoehoe Breakout
Pāhoehoe Breakout
Pāhoehoe Breakout

Pähoehoe breakouts remain active on the coastal plain, a short distance from the base of the pali. Typical breakout activity was observed today. This video clip, shown at x30 speed, highlights the erratic nature of pähoehoe advance, and the process of inflation beneath the crust.

Pähoehoe breakouts remain active on the coastal plain, a short distance from the base of the pali. Typical breakout activity was observed today. This video clip, shown at x30 speed, highlights the erratic nature of pähoehoe advance, and the process of inflation beneath the crust.

Kamokuna Ocean Entry
Kamokuna Ocean Entry
Kamokuna Ocean Entry

The Kamokuna ocean entry remains active. Several parallel cracks cross the delta, suggesting sagaing and instability at the front of the delta.

The Kamokuna ocean entry remains active. Several parallel cracks cross the delta, suggesting sagaing and instability at the front of the delta.

Pāhoehoe Breakout on Coastal Plain
Pāhoehoe Breakout on Coastal Plain
Pāhoehoe Breakout on Coastal Plain

This video shows the recent pähoehoe breakout along the 61g lava flow on the coastal plain. The first few segments are shown at x30 speed and the final segment is a time-lapse over 10 minutes with a frame every 30 seconds

This video shows the recent pähoehoe breakout along the 61g lava flow on the coastal plain. The first few segments are shown at x30 speed and the final segment is a time-lapse over 10 minutes with a frame every 30 seconds

Time-lapse sequence of lava delta subsidence at ocean entry
Time-lapse sequence of lava delta subsidence at ocean entry
Time-lapse sequence of lava delta subsidence at ocean entry

This movie shows a sequence of 8 time-lapse photos—one photo per day from July 6 to July 13, 2017—of the lava delta at Kīlauea Volcano's Kamokuna ocean entry. The sequence shows the front of the delta subsiding, and cracks running parallel to the coast widening, over the 8-day time period.

This movie shows a sequence of 8 time-lapse photos—one photo per day from July 6 to July 13, 2017—of the lava delta at Kīlauea Volcano's Kamokuna ocean entry. The sequence shows the front of the delta subsiding, and cracks running parallel to the coast widening, over the 8-day time period.

Wildlife on the Nevada National Security Site
Wildlife on the Nevada National Security Site
Wildlife on the Nevada National Security Site

Mountain lions, desert bighorn sheep, mule deer, and a variety of other wildlife live on and pass through the Nevada National Security Site each day. It’s a highly restricted area that is free of hunting and has surprisingly pristine areas.This 22-minute program highlights an extraordinary study on how mountain lions interact with their prey.

Mountain lions, desert bighorn sheep, mule deer, and a variety of other wildlife live on and pass through the Nevada National Security Site each day. It’s a highly restricted area that is free of hunting and has surprisingly pristine areas.This 22-minute program highlights an extraordinary study on how mountain lions interact with their prey.

Return of the Yellowstone Grizzly Bear
Return of the Yellowstone Grizzly Bear
Return of the Yellowstone Grizzly Bear

Yellowstone grizzly bears inhabit federal, state, tribal, and private lands, and long-term research requires careful coordination across governmental levels.

Yellowstone grizzly bears inhabit federal, state, tribal, and private lands, and long-term research requires careful coordination across governmental levels.

Landsat Collections - RMSE
Landsat Collections - RMSE
Landsat Collections - RMSE

Landsat Collections: Providing a Stable Environment Record for Time Series Analysis

Ocean Entry View at Kamokuna
Ocean Entry View at Kamokuna
Ocean Entry View at Kamokuna

The Kamokuna ocean entry remains active, with recent lava flows spreading out over the surface of the lava delta. The spot where the lava tube exits the seacliff is visible, and a ramp of solidifed lava has been built here. Lava then flows into a tube on the lava delta, and finally flows into the water at several spots, marked by the gas plume.

The Kamokuna ocean entry remains active, with recent lava flows spreading out over the surface of the lava delta. The spot where the lava tube exits the seacliff is visible, and a ramp of solidifed lava has been built here. Lava then flows into a tube on the lava delta, and finally flows into the water at several spots, marked by the gas plume.

Image of the Week: 26th Anniversary of Mt. Pinatubo Eruption
Image of the Week: 26th Anniversary of Mt. Pinatubo Eruption
PubTalk 6/2017 — Effects of Climate Change: A Scientific Path Forward
PubTalk 6/2017 — Effects of Climate Change: A Scientific Path Forward
PubTalk 6/2017 — Effects of Climate Change: A Scientific Path Forward

Title: The Effects of Climate Change: A Scientific Pathway Forward

  • The frequency of extreme and unpredictable weather events is increasing.
  • What are the effects of an increase or decrease in carbon emissions?
  • What is scientific research projecting for the future of climate change?

Title: The Effects of Climate Change: A Scientific Pathway Forward

  • The frequency of extreme and unpredictable weather events is increasing.
  • What are the effects of an increase or decrease in carbon emissions?
  • What is scientific research projecting for the future of climate change?
H1 East Transect – June 2017
H1 East Transect – June 2017
H1 East Transect – June 2017

Permanent Site: H1 East Transect; Depth: 5.4 Meters (17.6 Feet); Distance from river mouth: 2.4 Kilometers (1.5 Miles) east; Pre/Post Dam Removal: 6 years post-dam removal; Lat/Long: 48.1479177,-123.53472865; Site Description: This is a shallow site and one of the farthest removed from the effects of the sediment plume outside of the control sites.

Permanent Site: H1 East Transect; Depth: 5.4 Meters (17.6 Feet); Distance from river mouth: 2.4 Kilometers (1.5 Miles) east; Pre/Post Dam Removal: 6 years post-dam removal; Lat/Long: 48.1479177,-123.53472865; Site Description: This is a shallow site and one of the farthest removed from the effects of the sediment plume outside of the control sites.

Drought Refugia: Remote Sensing Approaches and Management Applications
Drought Refugia: Remote Sensing Approaches and Management Applications
Drought Refugia: Remote Sensing Approaches and Management Applications

This webinar was recorded on June 12, 2017 as part of the Climate Change Science and Management Webinar Series, held in partnership by the USGS National Climate Change and Wildlife Science Center and the USFWS National Conservation Training Center.

This webinar was recorded on June 12, 2017 as part of the Climate Change Science and Management Webinar Series, held in partnership by the USGS National Climate Change and Wildlife Science Center and the USFWS National Conservation Training Center.

Image of the Week: Deforestation in Peru
Image of the Week: Deforestation in Peru
Image of the Week: Deforestation in Peru

Landsat helps document large-scale deforestation in Peru.

The widespread land change is captured over the past few decades.

Landsat helps document large-scale deforestation in Peru.

The widespread land change is captured over the past few decades.

TopoView - A look at version 2.1
TopoView - A look at version 2.1
TopoView - A look at version 2.1

A tutorial by USGS scientist and topoView developer Chris Garrity demonstrating how to use topoView version 2.1. TopoView let's you access and download maps free of charge from the USGS's Historical Topographic Map Collection, published between 1884 and 2006. 

Resources:
An Introduction to TopoView (version 1.0)

A tutorial by USGS scientist and topoView developer Chris Garrity demonstrating how to use topoView version 2.1. TopoView let's you access and download maps free of charge from the USGS's Historical Topographic Map Collection, published between 1884 and 2006. 

Resources:
An Introduction to TopoView (version 1.0)

High Density Digital Tape (HDDT) Landsat Data Recovery
High Density Digital Tape (HDDT) Landsat Data Recovery
High Density Digital Tape (HDDT) Landsat Data Recovery

High Density Digital Tapes (HDDT) containing Landsat scenes arrive at EROS from International Cooperators located around the world. Operators use a baking process to recover the imagery from the HDDTs.
 

High Density Digital Tapes (HDDT) containing Landsat scenes arrive at EROS from International Cooperators located around the world. Operators use a baking process to recover the imagery from the HDDTs.