February 2018

L8 launch
Feb 9, 2018Landsat 8 at Five

Landsat 8 marks five years since launch.

AGU logo
Dec 10, 2017Landsat at #AGU17

Over 400 presentations at the 2017 AGU Fall Meeting featured Landsat.

Darrel Williams
Nov 15, 2017USGS-NASA Pecora Award Recognizes Excellence in Earth Observation

Two awardees have been presented with the 2017 William T. Pecora Award for achievements in Earth remote sensing.

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.

changes to the River Ob in Siberia
Dec 9, 2016Landsat Maps Global Surface Water

Quantifying changes in global surface waters over the past 32 years.

NASA researchers in the field
Jun 2, 2016Details of a Greening Arctic

The northern reaches of North America are getting greener, according to a NASA study that provides the most detailed look yet at plant life across Alaska and Canada. In a changing climate, almost a third of the land cover – much of it Arctic [...]

TIRS telescope
Apr 12, 2016USGS TIRS Update

Toward the end of April, reprocessing efforts will begin for Landsat 8 OLI/TIRS scenes acquired from January 1 to March 31, along with data acquired during April, to create nominal Level-1 products containing valid TIRS data. 

TIRS diagram
Feb 12, 2016Landsat 8 TIRS Updates from USGS

As of Feb. 12, 2016, many of the Landsat 8 scenes acquired from October to December 2015 have been reprocessed into nominal Level-1 products containing valid TIRS data and are available for download, and can also be submitted for higher-level [...]

TIRS diagram
Jan 13, 2016Landsat 8 Thermal Data Update

Landsat 8 Thermal Infrared Sensor (TIRS) data continue to be collected with the scene select mirror encoder electronics disabled (mode 0). While in this mode, the TIRS line of sight model (LOS) will be regularly updated and modifications are [...]

TIRS telescope
Dec 8, 2015TIRS Anomaly

On Nov. 1, 2015 the TIRS instrument experienced an anomalous condition related to the instrument's ability to accurately measure the location of the Scene Select Mirror.

Landsat 8 TIRS in thermal vac
Apr 16, 2015Landsat 9 Is Coming

NASA and USGS have started work on Landsat 9.

Server farm at Google
Mar 26, 2015Big Data Helps Scientists Dig Deeper

In 2008, the U.S. Geological Survey took 3.6 million images acquired by Landsat satellites and made them free and openly available on the Internet.

Mar 16, 2015L8 TIRS Data Processing Resumed

On March 13, 2015 at 4:00 pm CT, processing of Landsat 8 Thermal Infrared Sensor (TIRS) data resumed. The newly processed data includes the revised Calibration Parameter Files established after the mechanism control electronics (MCE) swap on [...]

Mar 6, 2015TIRS Resumes Nominal Operations

The Landsat 8 Thermal Infrared Sensor (TIRS) resumed normal imaging operations.

The LDCM Thermal Infrared Sensor
Feb 26, 2015Landsat 8 Thermal Sensor Update

After extensive investigation and testing, the decision has been made to switch the TIRS Mechanism Control Electronics from the primary to redundant side on Monday, March 2, 2015.