10 September 2024–Five boulders, delivered by glacier and balancing delicately on rocky pedestals in northern New York and Vermont, can help define long-term maximum shaking intensity of earthquakes in the region. Seismologists examine the fragility of precariously balanced rocks, or PBRs, to determine the intensity of shaking would be needed … Continue Reading »
15 August 2024–Data recorded by seismic instrumentation in buildings where ground motion is weak to moderate can help engineers better understand structural responses to earthquakes, according to a new paper published in the Bulletin of the Seismological Society of America. Philippe Guéguen and Ariana Astorga at Université Grenoble Alpes – … Continue Reading »
8 May 2024–Pore pressure diffusion generated by carbon dioxide injected underground at a carbon storage site in the Illinois Basin is the likely cause of hundreds of microearthquakes that took place at the site between 2011 and 2012, according to a new analysis. The modeling study published in the Bulletin … Continue Reading »
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 »
الزلازل في الأحزمة الجبلية التي تشوه ببطء: زلزال الأطلس الكبير المغربي عام 2023 وزلزال غرب أفغانستان الرباعي عام 2023 بقوة 6.3 ميجاوات تطلب نشرة جمعية رصد الزلازل الأمريكية (BSSA) أوراقًا لعدد خاص حول الزلازل في الأحزمة الجبلية التي تتشوه ببطء، مع التركيز على زلزال الأطلس الكبير المغربي عام 2023 … Continue Reading »
Appel à communications du BSSA Séismes dans les ceintures de montagnes à déformation lente : Le séisme de 2023 dans le Haut Atlas marocain et le quadruplet de séismes d’une magnitude de 6,3 dans l’ouest de l’Afghanistan en 2023 Le bulletin de la société sismologique d’Amérique (BSSA) sollicite des articles pour … Continue Reading »