15 May 2018–Record cold temperatures during the winter of 2014 in the Midwestern United States froze large parts of the Great Lakes—and inadvertently offered seismologists a chance to learn more about the seismic signals created by the lakes’ wind-driven waves. The deep freeze stilled the waves and created a period … Continue Reading »
15 May 2018–Scientists monitoring the vibrations of natural rock arches have found that the resonant frequencies of arches undergo dynamic changes from day to day, according to research presented at the 2018 SSA Annual Meeting. University of Utah doctoral student Paul Geimer and colleagues are analyzing these frequency changes to … Continue Reading »
15 May 2018–Almost 70 years later, the man remembers the August day in Playa Rincon, when he clung to the top of an almond tree to survive a tsunami where the waters rushed about 700 meters inland after a magnitude 8.1 earthquake. His recollections and other astonishing eyewitness accounts of … Continue Reading »
20 December 2017–Thanks to generous support from our members, SSA is thrilled to announce that twenty student, international and ESC members will receive travel grants to our Annual Meeting in Miami, to be held May 14-17, 2018. These travel grants are made possible by member contributions to the Kanamori Fund, … Continue Reading »
30 October 2017–Due to the devastating impacts of Hurricanes Irma and Maria on Puerto Rico, the Latin American and Caribbean Seismological Commission (LACSC) and the Seismological Society of America (SSA), with full agreement from the Puerto Rican members of the Program Committee, have decided to move the 2018 joint conference, … Continue Reading »
20 April 2017–DENVER — Data collected from two tall buildings, one in Osaka and one in Los Angeles, demonstrate that long-lasting motions from distant earthquakes — up to hundreds of kilometers away — can shake those buildings severely and can cause structural and non-structural damage.
Mehmet Celebi of the U.S. Geological Survey discussed these two buildings at the 2017 SSA Annual Meeting. He suggested that design codes for these types of buildings should take into account these long-distance effects.