By reanalyzing seismic records, researchers found a plethora of tiny earthquakes in Southern California that trace new fault structures and reveal how earthquakes are triggered.
history
Posted inNews
Podcast: When the Sahara Was Green
Past climate change likely motivated human migrations.
Posted inResearch Spotlights
Decadal Changes in Glacial Discharge in the High Alps
A new statistical analysis of daily, glacial runoff cycles offers a unique way of examining how Alpine glaciers have responded since the onset of rapid regional warming in the 1980s.
Posted inNews
Secrets from the New Madrid Seismic Zone’s Quaking Past
High-resolution lidar topography reveals a long history of ancient earthquakes.
Posted inNews
Precariously Balanced Rocks Reveal Earthquake History in Israel
Using the prevalence of unstable rock formations in Israel’s Negev Desert, researchers determined that historical earthquakes in the region were weaker than previously thought.
Posted inNews
European Contact with the Americas May Have Triggered Global Cooling
The loss of precontact agricultural communities to genocide and disease may have led to massive reforestation, a dip in carbon dioxide, and one of the coldest snaps of the Little Ice Age.
Posted inFeatures
The Renaissance of Hydrology
Hydrology has evolved as a transdisciplinary, data-driven science in a remarkably short period of time.
Posted inResearch Spotlights
A 192,000-Year Record of Northwest African Fire History
Biomarker analyses from an offshore sediment core suggest that increased fire occurrence around 55,000 years ago coincided with increased fuel loads and human settlement in this region.
Posted inNews
Westward Expansion, Technology, and Tornado Fatalities
By mining records from 1808 to 2017, researchers can now show just how many lives have likely been saved by technology like radar.
Posted inNews
Varying Impact of Earthquake- and Monsoon-Induced Landslides
Using nearly 50 years of satellite data and records stretching back millennia, scientists determine the relative frequency—and the erosional power—of monsoon- and earthquake-induced landslides in Nepal.