25 April 2019–A spring surge of meltwater, seeping through vertically tilted layers of rock, caused a seismic swarm near California’s Long Valley Caldera in 2017, according to research presented at the 2019 SSA Annual Meeting. The unusual event prompted U.S. Geological Survey researcher Emily Montgomery-Brown and her colleagues to look … Continue Reading »
24 April 2019–Researchers at the SSA 2019 Annual Meeting are discussing proposed revisions to the National Seismic Hazard Model (NSHM). The draft report concludes that there could be significantly increased ground shaking across many locations in the central and eastern United States, as well as four urban areas built on … Continue Reading »
24 April 2019–The central Salish Sea of the Pacific Northwest is bounded by two active fault zones that could trigger rockfalls and slumps of sediment that might lead to tsunamis, according to a presentation at the 2019 SSA Annual Meeting. These tsunamis might be directed toward the islands of San … Continue Reading »
24 April 2019–Using ground motions generated for a range of simulated magnitude 9 earthquakes in the Pacific Northwest, researchers are testing how well reinforced concrete walls might stand up under such seismic events. The walls may not fare so well, especially within the city of Seattle, said University of Washington … Continue Reading »
23 April 2019–NASA’s InSight mission has detected its first likely “quake” on Mars. At the opening of the 2019 SSA Annual Meeting, InSight Principal Investigator Bruce Banerdt of NASA’s Jet Propulsion Laboratory described the finding by the lander and discussed the hopeful future of Martian seismology. Watch the video of … Continue Reading »
22 April 2019–This year’s SSA Annual Meeting includes three joint sessions with the Seismological Society of Japan, continuing a long-standing partnership with SSJ and SSA members. The three session topics—Machine Learning in Seismology, Next Generation Earthquake Early Warning Systems: Advances, Innovations and Applications and The Science of Slow Earthquakes from … Continue Reading »