Strange Seismic Wave Arrivals Lead to Discovery of Overturned Slab in the Mediterranean

Published on | Journals, News, TSR
Map of seismic stations and the deep Granada earthquake. Red triangles indicate stations for studying the low velocity layer on the slab.

21 February 2024–Strange seismic wave arrivals from a 2010 earthquake under Spain were the clues that led to an unexpected discovery beneath the western Mediterranean: a subducted oceanic slab that has completely overturned. The waveforms paint a picture of a slab that descended rapidly into the Earth’s mantle and flipped … Continue Reading »

Earthquake Fatality Measure Offers New Way to Estimate Impact on Countries

Published on | BSSA, Journals, News
Ruins of Pelileo in Ambato — after the 1949 Ambato earthquake in Ecuador

15 February 2024–A new measure that compares earthquake-related fatalities to a country’s population size concludes that Ecuador, Lebanon, Haiti, Turkmenistan, Iran and Portugal have experienced the greatest impact from fatalities in the past five centuries. The new impact measure, introduced in the Bulletin of the Seismological Society of America by … Continue Reading »

At Work: HyeJeong Kim

Published on | At Work, Community, Early Career, Member, News

13 February 2024–Oceans cover about 70% of the Earth’s surface—a fact that draws HyeJeong Kim’s scientific gaze under the sea, even as the seismologist now works on dry land as a postdoc at the University of Utah. “If you don’t have seismic stations under that massive water, it’s limiting our … Continue Reading »

SSA Supports NEHRP Reauthorization Bill

Published on | Government Relations, News
NEHRP logo

18 January 2024—Through the work of our Government Relations Committee, SSA is supporting the Congressional reauthorization of the National Earthquake Hazards Reduction Program (NEHRP), through bipartisan legislation introduced today by U.S. Senators Alex Padilla (D-Calif.) and Lisa Murkowski (R-Alaska). NEHRP is the federal government’s coordinated long-term nationwide program to reduce … Continue Reading »

At Work: Adrian Rodriguez-Marek

Published on | At Work, Community, Member, News

8 January 2024–The characterization of uncertainty has been a theme of Adrian Rodriguez-Marek’s career as an earthquake engineer. “That was something that I was interested in from the very first time that I got into hazard analysis,” he explained. “When it comes to ground motion prediction, as a layperson you … Continue Reading »