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GPS

A building torn in two in Concepción, Chile, following a magnitude 8.8 earthquake in 2010.
Posted inResearch Spotlights

Understanding Tectonic Processes Following Great Earthquakes

by S. Witman 2 December 20165 October 2022

Scientists parse out the processes underlying tectonic signals detected by GPS networks.

Artist’s representation of the signals from GPS satellites being interrupted when Swarm satellites fly into strong equatorial plasma irregularities.
Posted inResearch Spotlights

What Causes GPS Signal Loss on Satellites like Swarm?

by L. Crane 23 September 201627 January 2022

Using data from the European Space Agency's Swarm mission, scientists find that abrupt drops in the ionosphere's electron density may cause low-orbiting satellites to lose contact with GPS satellites

Posted inResearch Spotlights

New GPS Satellite Technique to Monitor Ionospheric Disturbances

by S. Kelleher 7 March 201624 January 2023

Researchers are developing better ways to use satellites to understand space weather events that can interfere with technology.

Posted inResearch Spotlights

Plate Displacement Rate Offers Insight into 2011 Tohoku Quake

by L. Strelich 4 February 201624 January 2023

For the first time, scientists use GPS to measure the displacement rate of the subducting Pacific Plate near the source of disastrous shaking in 2011.

Posted inNews

Smartphone App Seeks to Make Navigation Safer

by L. O’Hanlon 6 January 20155 May 2022

The app sends local magnetic field strength along with your phone’s position and orientation to scientists, who use the data to fine-tune magnetic field models.

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Features from AGU Journals

RESEARCH SPOTLIGHTS
JGR: Solid Earth
“New Tectonic Plate Model Could Improve Earthquake Risk Assessment”
By Morgan Rehnberg

EDITORS' HIGHLIGHTS
AGU Advances
“Eminently Complex – Climate Science and the 2021 Nobel Prize”
By Ana Barros

EDITORS' VOX
Perspectives of Earth and Space Scientists
“New Directions for Perspectives of Earth and Space Scientists”
By Michael Wysession


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