Researchers examine the rings of drowned trees in landslide-dammed lakes for clues to today’s earthquake hazards in the Pacific Northwest.
earthquakes
Posted inScience Updates
At-Sea Workshop Advances Subduction Zone Research
International Ocean Discovery Program Core-Log-Seismic integration at Sea (CLSI@Sea) workshop; Nankai Trough, Philippine Sea, off the coast of southwest Japan, January–February 2018
Posted inEditors' Highlights
Removing the Drudgery from Earthquake Seismology
New methods of machine learning are bringing the phase arrival time and polarity picking used for automatic determination of earthquake fault planes to accuracies better than human analysists.
Posted inResearch Spotlights
Constraining Central Washington’s Potential Seismic Hazard
Fault geometry and slip rate analyses show deformation in the Yakima Fold Province accelerated in the Pleistocene and has remained elevated, offering new insights into earthquake recurrence intervals.
Posted inNews
Huge Spike in Quakes Badly Damages Kīlauea Observatory
Meanwhile, some scientists say that the 35-year eruption from the Pu‘u Ō‘ō vent has ended and that the flows since 3 May are a new eruption. Others take issue with this view.
Posted inNews
Harry W. Green II (1940–2017)
By keenly probing mantle rheology, interactions of deformations and phase transitions, and microscopic features, he made major contributions to petrology, mineralogy, and earthquake science.
Posted inFeatures
Fluid Injection Wells Can Have a Wide Seismic Reach
High-volume fluid injection can cumulatively increase underground pore pressure and induce earthquakes in regions unexpectedly far from injection wells, recent Kansas studies show.
Posted inResearch Spotlights
Evidence for Gravity Tectonics After the Great Sumatra Quake
A new method that applies structural geology principles to aftershock analyses suggests that gravity-driven motion may occur during part of the seismic cycle.
Posted inScience Updates
How Earthquakes Start and Stop
Earthquakes: Nucleation, Triggering, Rupture, and Relationships to Aseismic Processes; Cargèse, Corsica, France, 2–6 October 2017
Posted inFeatures
The Wicked Problem of Earthquake Hazard in Developing Countries
Earthquake preparation in Bangladesh is a conundrum, where crucial information is missing and investments often involve painful trade-offs.