News | Seismological Society of America

Events of 1973 Chilean Coup Captured in Historical Seismograms

Published on 11 December 202429 May 2025 | Community, Journals, News, SRL

11 December 2024–Military vehicles rumbling toward the presidential palace, bombs dropped by the Chilean Air Force, and an eerie quiet descending over Santiago after a curfew imposed by a military junta—a lone seismometer captured all these features of the 1973 Chilean coup d’état. In Seismological Research Letters, Sergio León-Rios of … Continue Reading »

Kenneth W. Campbell Awarded 2025 Bruce Bolt Medal

Published on 15 November 202415 November 2024 | Awards, BSSA, Member, News

15 November 2024–The Earthquake Engineering Research Institute (EERI), the Consortium of Organizations for Strong Motion Observation Systems (COSMOS), and SSA are pleased to announce that Kenneth W. Campbell of CoreLogic Inc. (retired) is the recipient of the 2025 Bruce Bolt Medal. Campbell was recognized for his 50 years of research … Continue Reading »

Plugged Wells and Reduced Injection Lower Induced Earthquake Rates in Oklahoma

Published on 13 November 202429 May 2025 | Journals, News, TSR

Difference between pre-plug back and post-plug back depth for wells that were initially injecting into the Precambrian basement or lower Arbuckle. Inset shows the location of these plugged back wells (colored triangles) and other disposal wells (grey triangles) within area of interest. Inset cross-section shows schematic of a disposal well that was plugged back out of the lowermost portion of the Arbuckle. | Skoumal et al. (2024) TSR

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 »

Laurie Baise Selected as 2025 Joyner Lecturer

Published on 1 November 20241 November 2024 | Annual Meeting, Awards, Journals, Member, News

1 November 2024–The Earthquake Engineering Research Institute (EERI) and SSA are pleased to announce that Laurie Baise, professor and chair of the department of civil and environmental engineering at Tufts University, is the 2025 recipient of the William B. Joyner Lecture Award. Baise will deliver the Joyner Lecture at the … Continue Reading »

Update to SSA Publishing Policies, Effective 15 November 2024

Published on 31 October 2024 | BSSA, Journals, News, SRL, TSR, Uncategorized

31 October — The SSA Board of Directors approved a new fee structure to provide more options for authors submitting to the Bulletin of the Seismological Society of America (BSSA) and Seismological Research Letters (SRL). The price and policy changes are intended to Create a fair and equal fee structure … Continue Reading »

At Work: Julian Lozos

Published on 4 October 202429 May 2025 | At Work, Community, Member, News

4 October 2024–Julian Lozos describes his job—modestly—as “making fake earthquakes on his computer.” But the associate professor of geophysics at California State University, Northridge was also a fan of volcanoes from a young age. During his last visit at his parents’ home, “my mom found a book that I had … Continue Reading »