Advancing earthquake science worldwide
27 March 2025—Hydroacoustic signals captured by the world’s international nuclear monitoring system suggest an underwater landslide may have broken communications cables and disrupted internet traffic in west African countries for several weeks in March 2024. Researchers used data collected by hydrophones installed by the International Monitoring System of the Comprehensive … Continue Reading »
11 March 2025– A recent swarm of small shallow earthquakes in Mexico City in 2019 and 2023 caused surprisingly strong ground shaking, prompting researchers to wonder how shaking from a moderate sized earthquake might impact buildings across the city. In the Bulletin of the Seismological Society of America, Miguel Jaimes and … Continue Reading »
5 March 2025 — A new seismic study of Singapore could guide urban growth and renewable energy development in the coastal city nation, where 5.6 million residents live within an area of 734 square kilometers. The study, published in Seismological Research Letters, identifies areas with increased risk of ground shaking and … Continue Reading »
14 February 2025 — In late July to October 2022, residents of the Manu’a Islands in American Samoa felt the earth shake several times a day, raising concerns of an imminent volcanic eruption or tsunami. An earthquake catalog for the area turned up nothing, because the islands lacked a seismic … Continue Reading »
22 January 2025—The magnitude 7.9 Bonin Islands earthquake sequence, which ruptured deep within the earth near the base of the upper mantle, did not include an aftershock that extended to record depths into the lower mantle, according to a study in The Seismic Record. When Hao Zhang of the University … Continue Reading »
22 January 2025—Gather around, and let Susan Hough tell you the tale of the Summerville Light. Legend has it that the strange orb sometimes seen hovering over the railroad tracks in the remote area around Summerville, South Carolina is a lantern borne by a ghost whose husband lost his head … Continue Reading »