The Midcontinent Rift has characteristics of a large igneous province, causing geologists to rethink some long-standing assumptions about how this giant feature formed.
seismology
Posted inNews
Tiny, Deep Quakes Increase on San Andreas as Tides Tug on Fault
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.
Posted inScience Updates
Does Geothermal Exploitation Trigger Earthquakes in Tuscany?
For the past 25 years, power production has been accompanied by a small but steady increase in seismicity near geothermal wells. A new project seeks to explore why.
Posted inScience Updates
Ocean Floor Networks Capture Low-Frequency Earthquake Event
Last August, stations on a newly deployed permanent ocean floor observation network recorded rarely seen, very low frequency signals from shallow earthquakes.
Posted inResearch Spotlights
Flash Heating May Lubricate Rubbing Rock Faces in Earthquakes
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.
Posted inScience Updates
Extending Recent Seismic Imaging Successes to South America
Ambient Noise Tomography Workshop (MIMOSA); Tucson, Arizona, 17–23 January 2016
Posted inResearch Spotlights
A Hole in Earth’s Surface
Research shows that a broken lithosphere underneath the island of Hawai'i could explain the island's patterns of seismic activity.
Posted inNews
Crowdsourced Seismology
The seismologists of the world want to turn you into an earthquake detector.
Posted inNews
Sound Waves Help Scientists Track Volcanic Eruptions
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
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.