17 April 2025— Sediment cores drawn from four lakes in Guatemala record the distinct direction that ground shaking traveled during a 1976 magnitude 7.5 earthquake that devastated the country, according to researchers at the Seismological Society of America’s Annual Meeting. The earthquake, which killed more than 23,000 people and left … Continue Reading »

17 April 2025—In 1638, an earthquake in what is now New Hampshire had Plymouth, Massachusetts colonists stumbling from the strong shaking and water sloshing out of the pots used by Native Americans to cook a midday meal along the St. Lawrence River, according to contemporaneous reports. When Roger Williams, founder … Continue Reading »

17 April 2025—You’ve probably seen the posts while scrolling on your phone: a shaky TikTok showing shelves emptying and lights swaying inside a convenience store, or a WHAT WAS THAT?? tweet that captures an earthquake in progress. Researchers now show that Google’s large language model (LLM) Gemini can comb through … Continue Reading »

16 April 2025—When Julian Lozos visited the site of the 2019 Ridgecrest earthquakes two days after the event, he noticed something strange. Pebble- to boulder-sized rocks clearly had been moved by the earthquakes—but there were no signs of dragging or shearing on the desert ground. He wasn’t the only one … Continue Reading »

16 April 2025—Researchers are combining data on earthquake shaking intensity, crowdsourced traffic data from the Waze navigation app and police crash reports to find out if car crashes are more likely during seismic events. So far, the data are too sparse to draw much of a broad conclusion, although the … Continue Reading »