8 May 2025—A new analysis of a fatal landslide that occurred on 13 February 2024 at the Çöpler Gold Mine in Türkiye reveals that the site of the landslide had been slowly moving for at least four years prior to the failure. “Additionally, our analyses detected deformation anomalies in other … Continue Reading »
5 May 2025—One of the reasons that Samantha Hansen serves as a reviewer for The Seismic Record is “to get a first look at projects being completed by our peers and colleagues,” she said. “This is not only very interesting, but it can also give you a better understanding of … 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 »
13 November 2024–Wastewater injection resulting from oil and gas production in Oklahoma caused a dramatic rise in seismic activity in the state between 2009 and 2015. But regulatory efforts to backfill some injection wells with cement and reduce injection volumes have been effective in lowering the state’s induced earthquake rate, … Continue Reading »
1 October 2024–The magnitude 4.8 Tewksbury earthquake surprised millions of people on the U.S. East Coast who felt the shaking from this largest instrumentally recorded earthquake in New Jersey since 1900. But researchers noted something else unusual about the earthquake: why did so many people 40 miles away in New … Continue Reading »