July 2018


image of Glacier Bay
Jul 11, 2018Avalanches Becoming More Frequent and Powerful in Alaska, Landsat Shows

As global temperatures rise, melting permafrost is expected to cause more frequent and hazardous landslides.

map of forest damage on Puerto Rico
Mar 1, 2018Assessing the Impact of Hurricanes on Puerto Rico’s Forests

Scientists at Berkeley Lab have produced a rapid mapping of the disturbance intensity across Puerto Rico’s forests with the help of Google Earth Engine and Landsat 8.

Mt. Etna
Dec 12, 2017Near Real Time Monitoring of Volcanic Eruptions

Using Earth Observation data to monitor volcanic eruptions.

Rio Grande de Loíza - after Maria
Sep 28, 2017Puerto Rico Landscape Ravaged by Hurricane Maria

Hurricane Maria tore across Puerto Rico on September 20, 2017, ravaging both urban and rural areas with category 4 winds and intense rainfall for several days.

Caribbean Islands before and after Irma
Sep 12, 2017Hurricane Irma Turns Caribbean Islands Brown

Irma battered several Caribbean islands in September 2017; when the clouds cleared the destruction became obvious even from space.

Disaster Charter Landsat-based map of flooding in Venezuela
Aug 15, 2017Mapping Orinoco and Caroni River Floods in Venezuela

The Disaster Charter used Landsat 8 data to map flooding on the Orinoco and Caroni Rivers.

map of fire extent
Jun 26, 2017Landsat Helps Map Fires in Western and Southern Cape Provinces of South Africa

Landsat 8 data was used to map the fire extent, measuring some 16,000 hectares of destruction.

post-fire slope erosion prediction map
Jun 15, 2017Blazing Fast Relief: A NASA-Supported Tool is Accelerating Wildfire Recovery

Burned Area Emergency Response teams—one of most important parts of wildfires that you’ve probably never heard of.

Landsat Images Provided to the Disaster Charter, May 2017
May 31, 2017Landsat Images Provided to the Disaster Charter, May 2017

This month, 34 Landsat scenes were ingested by the USGS Hazard Data Distribution System to provide data for Charter activations.

Mt. St. Helens, 37 Years of Recovery
May 18, 2017Mt. St. Helens, 37 Years of Recovery

In the decades since the Mount St. Helens eruption, scientists have studied the recovery of the ecosystem around the mountain using the Landsat series of satellites.

flood waters south of Lake Urmia
Apr 19, 2017UNOSAT Maps Flood Extent Near Lake Urmia with Landsat 8

A Landsat 8-based map showing regions south of Iran's Lake Urmia that have been effected by recent flooding has been created for UN decision makers.

Landsat Images Provided to the Disaster Charter, Feb. 2017
Feb 28, 2017Landsat Images Provided to the Disaster Charter, Feb. 2017

This month, 37 Landsat scenes were ingested by the USGS Hazard Data Distribution System to provide data for Charter activations.

Landsat Images Provided to the Disaster Charter, Jan. 2017
Jan 31, 2017Landsat Images Provided to the Disaster Charter, Jan. 2017

The International Charter is a system that supplies free satellite imagery to emergency responders anywhere in the world. The Charter concept is this: a single phone number is made available to authorized parties providing 24/7 contact to a [...]

LANDFIRE land/fire schematic
Jan 10, 2017LANDFIRE 2014 Update Completed for CONUS

The LANDFIRE 2014 Update for the conterminous United States has been completed, with Alaska and Hawaii soon to follow. 

Landsat Images Provided to the Disaster Charter, Dec. 2016
Dec 31, 2016Landsat Images Provided to the Disaster Charter, Dec. 2016

You can think of the Charter as a one-stop-shop for impact maps—an essential resource, since in many cases satellite data are the only practical method to assess current ground conditions after a disaster.

volcano in iceland
Dec 16, 2016Creating a Volcanic Plume Elevation Model

Using Landsat 8 to create three-dimensional maps of volcanic ash plumes.

livestock, Pamir Mountains
Dec 15, 2016The 2015 Surge of Kelayayilake Glacier

In May 2015, a severe glacier surge struck the eastern Pamir.

tornado damage Perry Co. 2015
Dec 14, 2016Surveying Damage after Severe Weather Events

Imagery, like Landsat's, offers an overhead view to NWS personnel.

mekong river delta
Dec 13, 2016A Spatial Toolbox to Help Deal with Flooding in Vietnam

A new collaborative platform has been developed to help Vietnam plan for and respond to flooding.

flooding
Dec 12, 2016Mapping Historic Floods Around the World

Developing the largest database of spatial extents for historic floods.

Landsat Images Provided to the Disaster Charter This Month
Nov 30, 2016Landsat Images Provided to the Disaster Charter This Month

You can think of the Charter as a one-stop-shop for impact maps.

74 Landsat Images Provided to the Disaster Charter, Oct. 2016
Oct 31, 201674 Landsat Images Provided to the Disaster Charter, Oct. 2016

The Charter concept is this: a single phone number is made available to authorized parties providing 24/7 contact to a person who can activate the charter.

3 Landsat Images Provided to the Disaster Charter, Sept. 2016
Sep 30, 20163 Landsat Images Provided to the Disaster Charter, Sept. 2016

This month, three Landsat scenes were ingested by the USGS Hazard Data Distribution System to provide data for Charter activations.

Landsat Image Provided to International Charter, July 2016
Jul 31, 2016Landsat Image Provided to International Charter, July 2016

This month, one Landsat scene was ingested by the USGS Hazard Data Distribution System to provide data for Charter activations.

14 Landsat Images Provided to International Charter, June 2016
Jun 30, 201614 Landsat Images Provided to International Charter, June 2016

These maps, provided to responders for free, often show where the damage is and where crisis victims are, allowing responders to plan and execute relief support.

12 Landsat Images Provided to International Charter, May 2016
May 31, 201612 Landsat Images Provided to International Charter, May 2016

The International Charter is a system that supplies free satellite imagery to emergency responders anywhere in the world. The Charter concept is this: a single phone number is made available to authorized parties providing 24/7 contact to a [...]

dead trees in the Sierra Nevadas
May 20, 2016Decades of Foothill Forest Growth in Sierra Nevada Mountains Erased Due to California’s Extreme Drought

Analyzing a three-decade record of vegetation cover change from the Landsat to compare previous controls on Sierra Nevada forest growth rates and effects of recent fluctuations in water availability since the mid-1980s.

Trees burned by the Summit Fire
May 19, 2016Landsat Data Show Rapid Recovery for Some Forests in Santa Cruz Mountains Despite Drought

NASA and the U.S. Geological Survey’s Landsat satellite images over the past three decades showed that the severe drought periods recorded since the 1980s have not slowed rapid tree and shrub growth, especially on steep slopes burned recently by [...]

19 Landsat Images Provided to International Charter, April 2016
Apr 30, 201619 Landsat Images Provided to International Charter, April 2016

The Charter concept is this: a single phone number is made available to authorized parties providing 24/7 contact to a person who can activate the charter. Once activated, a project manager takes charge.

tornado destruction
Apr 27, 2016April 27, 2011–Five Years Later: A Satellite Imagery Perspective

On April 27, 2011, a severe weather outbreak occurred across the southeastern United States, resulting in 199 tornadoes across the region and over 300 fatalities.

tornado damage Perry Co. 2015
Apr 11, 2016Landsat Imagery Helps Determine Tornado Tracks

On December 23, 2015, an unusual early winter season tornado outbreak struck much of the Tennessee Valley.

20 Landsat Images Provided to International Charter, March 2016
Mar 31, 201620 Landsat Images Provided to International Charter, March 2016

The Charter concept is this: a single phone number is made available to authorized parties providing 24/7 contact to a person who can activate the charter.

126 Landsat Images Provided to International Charter, Feb. 2016
Feb 29, 2016126 Landsat Images Provided to International Charter, Feb. 2016

This month, 126 Landsat scenes were ingested by the USGS Hazard Data Distribution System to provide data for Charter activations.

56 Landsat Images Provided to International Charter, Jan. 2016
Jan 31, 201656 Landsat Images Provided to International Charter, Jan. 2016

The Charter as a one-stop-shop for impact maps—an essential resource, since in many cases satellite data are the only practical method to assess current ground conditions after a disaster.

installing water gages in Kenya
Dec 18, 2015Monitoring Small Surface Water Bodies in Africa

Naga Manohar Velpuri, works with the USGS Famine Early Warning Systems Network (FEWS NET). The project has recently initiated a large-scale project to monitor surface water bodies in the pastoral regions of Africa using multi-source satellite [...]

houses in nepal
Dec 17, 2015Detecting Landslides in Nepal with Landsat

Justin Roberts-Pierel from the Joint Center for Earth Systems Technology, uses Landsat 8 to detect landslides in the Himalayas. He provided information about his studies at #AGU15. We talked with him about his work.

Union Beach, NJ post-Sandy
Dec 17, 2015How Hurricane Sandy Affected New Jersey Coastal Marshes

Alex Riter, a graduate student at the University of Maryland College Park, presented her finding on how Hurricane Sandy affected New Jersey coastal marches at #AGU15. We talked to Riter about her research.

earthquake aftermath
Dec 17, 2015How the 2010 Haitian Earthquake & Resulting Human Migration Affected Landslide Occurrences

At #AGU15 Yurika Kato, a Geosciences graduate student at the University of Missouri-Kansas City, presented his research about how the 2010 Haitian earthquake and resulting human migration affected landslide occurrences in the Port-au-Prince [...]

Coropuna
Dec 15, 2015Survival of a Tropical Glacier

William Kochtitzky, a student from Dickinson College, presented a poster on glacial changes on Peru’s Nevado Coropuna volcano at #AGU15.

56 Landsat Images Provided to International Charter in November 2015
Nov 30, 201556 Landsat Images Provided to International Charter in November 2015

The Charter concept is this: a single phone number is made available to authorized parties providing 24/7 contact to a person who can activate the charter. Once activated, a project manager takes charge. The project manager knows what satellite [...]

14 Landsat Images Provided to the International Charter in October 2015
Oct 31, 201514 Landsat Images Provided to the International Charter in October 2015

The International Charter is a system that supplies free satellite imagery to emergency responders anywhere in the world.

Over 150 Landsat Images Provided to the International Charter in September 2015
Sep 30, 2015Over 150 Landsat Images Provided to the International Charter in September 2015

This month, 166 Landsat scenes were ingested by the USGS Hazard Data Distribution System to provide data for Charter activations.

Gombe ecosystem
Sep 29, 2015Landsat Images Advance Watershed Restoration in Western Tanzania

For those who live along its shores, Lake Tanganyika in east Africa is the backbone of local transportation and serves as an essential source of household water and protein. Every night, fishers lure nocturnal, sardine-like fish called dagaa [...]

ISU team in the field
Aug 7, 2015A Landsat-based Tool to Track Cheatgrass, Monitor Potential Wildfire Hazard

Landsat 8 imagery is being used to identify increased wildfire susceptibility due to the invasion of cheatgrass on rangelands.

Landsat Images Provided to the International Charter in July 2015
Jul 31, 2015Landsat Images Provided to the International Charter in July 2015

The International Charter is a system that supplies free satellite imagery to emergency responders anywhere in the world.

Satellite-located landslides
Jun 4, 2015Scientist-Volunteers Map Landslides from Nepal Quakes

As millions of people regroup from earthquakes in Nepal, a team of international volunteers is combing through satellite imagery of the region to identify additional hazards: earthquake-induced landslides. “Landslides are a common secondary [...]

Landsat Images Provided to the International Charter in May 2015
May 31, 2015Landsat Images Provided to the International Charter in May 2015

The International Charter is a system that supplies free satellite imagery to emergency responders anywhere in the world.

Landsat image of blocked road
May 14, 2015Gorkha Quake-Induced Chongsecun Landslide and Lake (Tibet)

The Chongsecun landslide was found by a Canadian government scientist (Ministry of Forests, Lands and Natural Resource Operations Canada) scrutinizing post- and pre-quake Landsat 8 images.

Landsat 8 image of Langtang Valley
May 5, 2015Landsat Shows New Hazards Arising in Manaslu/Langtang Region of Nepal

The April 25, 2015, magnitude 7.8 Gorkha earthquake in Nepal triggered devastating landslides in Langtang Valley. Ice, snow and debris avalanches, rockfalls and landslides also occurred widely in other areas of the Nepal Himalaya. Landsat 8 [...]

Landsat image showing post-earthquake landslide in Langtang Valley.
May 2, 2015Landsat 8 Reveals Extent of Quake Disaster in Nepal’s Langtang Valley

The magnitude 7.8 Gorkha earthquake that struck Nepal on April 25, 2015, caused extensive damage in Kathmandu Valley and severely affected Nepal's rural areas. Space agencies around the world are providing extensive resources in a huge [...]