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seismology

NASA’s next Mars lander, InSight.
Posted inNews

Delayed Launch Approved for Next Mars Mission

by JoAnna Wendel 2 September 201622 June 2022

NASA has set a new 2018 launch date for a spacecraft to probe the Red Planet's interior, after instrument failure hobbled preparations for the mission.

san-andreas-fault-carrizo-plain-deep-earthquakes-show-tidal-patterns
Posted inNews

Tiny, Deep Quakes Increase on San Andreas as Tides Tug on Fault

by A. Coombs 26 July 20166 October 2021

When the gravity of the Sun and Moon causes Earth's crust to bulge every 2 weeks, slow-moving earthquakes proliferate in the lower reaches of the San Andreas, a new study finds.

Micrographs of melted asperities due to flash heating during laboratory earthquakes.
Posted inResearch Spotlights

Flash Heating May Lubricate Rubbing Rock Faces in Earthquakes

by David Shultz 24 May 20166 October 2021

A new laboratory study examines the small-scale physics at play as two pieces of granite are smashed together in a scaled-down version of a real earthquake.

Satellite image of the island of Hawaii.
Posted inResearch Spotlights

A Hole in Earth’s Surface

by W. Yan 26 April 201628 September 2021

Research shows that a broken lithosphere underneath the island of Hawai'i could explain the island's patterns of seismic activity.

pavlof-volcano-eruption
Posted inNews

Sound Waves Help Scientists Track Volcanic Eruptions

by JoAnna Wendel 5 April 20162 May 2022

When sound waves hit the ground, they shake seismometers like earthquake waves. Scientists can now use these sound-induced seismic waves to investigate volcanic activity.

Posted inResearch Spotlights

Variable Mantle Lies Below Ancient Pieces of Earth's Crust

by C. Sullivan 16 March 201610 March 2022

Underneath old and stable pieces of Earth's crust in North America, the mantle's uppermost portion contains multiple layers that change the velocities of seismic waves.

Posted inEditors' Vox

Understanding the Formation and Primordial Evolution of the Earth

by J. Badro and M. Walter 28 January 201620 April 2022

The processes that formed the infant Earth set the stage for its subsequent evolution into the dynamic and habitable planet we know today.

Posted inResearch Spotlights

P Wave Amplitude Decay Offers a Glimpse of Earth's Structure

by L. Strelich 22 January 201610 March 2022

Scientists look at deep earthquake signals to map how seismic waves lose energy in the upper mantle across the United States.

Posted inNews

Quake or Bomb? Seismic Waves Speak Truth, Even If Nations Don't

by C. Sullivan 15 January 20167 January 2022

When the Earth rumbles and no one knows why, seismologists can analyze the seismic event's waveforms to determine whether a hidden explosion or an earthquake caused the shaking.

Posted inResearch Spotlights

Hawaii's Swelling Lava Lake Charts a Volcano's Hidden Plumbing

by E. Betz 30 December 20154 October 2021

Geophysicists used unique seismic signatures to track the cyclic rise and fall of lava inside Hawai'i Volcanoes National Park's Overlook crater.

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From AGU Journals

MOST SHARED
Reviews of Geophysics
“Global and Regional Trends and Drivers of Fire Under Climate Change”
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Global Biogeochemical Cycles
“Emission of trace gases and aerosols from biomass burning”
By M. O. Andreae, P. Merlet

HOT ARTICLE
Geophysical Research Letters
“Relating Slip Behavior to Off-Fault Deformation Using Physical Models”
By Emily O. Ross et al.


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