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seismology

The orange glow from erupting lava illuminates the area around the summit of Kīlauea volcano under a star-filled night sky.
Posted inScience Updates

An Unprecedented Experiment to Map Kīlauea’s Summit Magma System

by Roger Denlinger, Daniel R. H. O’Connell, Guoqing Lin, Steve Roecker and Ninfa Bennington 18 September 202423 September 2024

Dozens of researchers deployed nearly 2,000 seismic stations—and a T-Rex—to better illuminate subsurface structure and magma storage below the summit of the highly active volcano.

Satellite image of the site of the 16 September 2023 landslide on the flanks of Dickson Fjord in Greenland.
Posted inThe Landslide Blog

The 16 September 2023 landslide on the margin of Dickson Fjord in Greenland

by Dave Petley 18 September 202418 September 2024

The Landslide Blog is written by Dave Petley, who is widely recognized as a world leader in the study and management of landslides. There has been quite a stir over the last week regarding a remarkable paper (Svennevig et al. 2024) that was published in the journal Science, describing a series of events that occurred […]

A desert landscape vegetated by dry grass and shrubs.
Posted inNews

Fiber-Optic Cables Used to Measure Changing Soil Moisture

by Caroline Hasler 10 September 202410 September 2024

Scientists are using seismic techniques to measure soil moisture. Their results show that recent droughts in California depleted water in the shallow subsurface.

A GPS station in a California desert
Posted inNews

U.S. Earthquake Early Warning System Gets a Major Upgrade

by Grace van Deelen 13 August 202413 August 2024

Satellite capabilities will improve the accuracy of ShakeAlert earthquake magnitude measurements.

Map of the Moon with symbols.
Posted inEditors' Highlights

New Moonquakes from Old Data

by Laurent G. J. Montési 5 August 202414 August 2024

Almost 50 years after they were turned off, the Apollo seismometers still have secrets to reveal.

Ein Bild von Deutschlands höchstem Gipfel, der Zugspitze
Posted inResearch Spotlights

Seismologie: Ein vielversprechender Weg zur Überwachung von Permafrost

by Terri Cook 5 August 20245 August 2024

Passive seismische Daten von einer Messstation auf der Zugspitze zeichneten im Lauf der letzten 15 Jahre den Schwund von Permafrost auf. Somit eignet sich dieses Verfahren vermutlich auch für die langfristige Überwachung der Umwelt.

An aerial image of Palos Verdes, Calif. The land is green, with roads curving across it, and the exposed cliffside along the ocean is brown. The ocean is deep blue, and the sky is hazy.
Posted inResearch Spotlights

Imaging Below the Surface Reveals One of Los Angeles’s Webs of Faults

by Nathaniel Scharping 29 July 202429 July 2024

Damage zones extend to either side of many faults and can affect how future earthquakes behave.

Map of Paradox Basin with symbols
Posted inEditors' Highlights

Faults Along Salt Walls Are Less Stressed in the Paradox Basin

by Birgit Müller 22 July 202422 July 2024

Based on an extended stress database, scientists observe systematic changes in the tectonic stress state and a reduction in fault reactivation potential near salt walls in the Paradox Basin.

Small brown structures against a backdrop of tall, snowy mountain peaks and a blue sky
Posted inResearch Spotlights

Mantle Upwelling May Have Triggered Morocco Earthquake

by Rebecca Owen 18 July 202418 July 2024

Researchers glean new information about the deep origins of a deadly event.

A landslide of gray rock spilling over onto a road, seen from above
Posted inResearch Spotlights

Watching and Listening for Signs of Slope Failure

by Rebecca Owen 17 July 202417 July 2024

Ten years of data preceding a rockfall in the French Alps suggest the need for more comprehensive monitoring systems.

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