Tree rings hint that two neighboring faults ruptured within 6 months of each other and suggest that the maximum magnitude of quakes around Puget Sound could exceed previous estimates.
earthquakes
Posted inResearch Spotlights
The First Slow-Slip Events Seen off Southern Costa Rica
Five events observed off the Osa Peninsula shed new light on the role that these small, slow earthquakes can play in strain accumulation and tsunami hazards along subduction zones.
Posted inNews
Shaking Up Earthquake Science in Cascadia
A new center will bring together earthquake scientists to study the Cascadia Subduction Zone and clarify seismic hazards.
Posted inThe Landslide Blog
Landslides triggered by the 5 September 2022 Ms=6.8 Luding Earthquake in China
The 5 September 2023 Ms=6.8 Luding Earthquake in China killed an estimated 118 people, of whom 80% were killed by landslides.
Posted inEditors' Highlights
Earthquakes Have Preparatory Stage Years Before Rupture
Tidally induced seismicity increased locally before the 2019 Ridgecrest earthquake, suggesting that fault sensitivity to stress increases in the years immediately before large earthquakes.
Posted inEditors' Highlights
Fluid Release from Subducted Slabs Without Percolation Flow
A new study demonstrates the absorption mechanism of H2O release out of subducting slabs, making the previous hypothesis of dehydration embrittlement unnecessary.
Posted inResearch Spotlights
Exploring the Mantle Through Microseisms
A new method for examining the tiny vibrations of Earth caused by ocean swells could help reveal details of deep-Earth structure.
Posted inEditors' Highlights
Source Selection Essential to Inter-Source Cross-Correlation
Inter-source correlograms yield coherent signals upon careful consideration of source mechanisms and source-receiver geometry, affording new means of characterizing planetary interiors.
Posted inNews
Decoding an Ancient Tsunami from the Ground Up
The seafloor around Santorini is helping scientists investigate forces behind the devastating Minoan tsunami.
Posted inEditors' Highlights
Low-Frequency Quakes Have Modest Effect on Slow Earthquake Cycle
Slow slip phenomena on subdaily scales, captured by seismic and GNSS data, show that low-frequency earthquakes are incidental to larger magnitude slow earthquakes, in which aseismic slip dominates.