At Work: Luis Donoso Carmona

Luis Donoso Carmona

12 March 2024–Earthquakes were part of Luis Donoso Carmona’s environment “for as long as I can remember,” growing up in northern Chile in the small city of Vallenar in the Atacama Desert, he said. His great-grandmother told stories of the destroyed ports and railway lines and overturned locomotives she had … Continue Reading »

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

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

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

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 »