Category: SRL

29 July 2020–Aaron Lojewski, who leads aurora sightseeing tours in Alaska, was lucky enough to photograph a “eruption” of brilliant pink light in the night skies one night in February. The same perturbations of the Earth’s magnetic field that lit up the sky for Lojewski’s camera were also captured by … Continue Reading »

13 May 2020–Three hundred-year-old administrative documents from the Roman government, granting residents permission to repair damage to their buildings, can help modern-day seismologists calculate intensities for a notable sequence of earthquakes that struck central Italy in 1703. Details gleaned from these “Lettere Patenti” offer a unique glimpse at the geographical … Continue Reading »

6 May 2020–Yes, there’s a prize for the most beautiful flower-filled float in the Rose Parade each year, but how about a prize for the most ground-shaking marching band? According to a new study, the 2020 honors go to the Southern University and A&M College, followed closely by the hometown … Continue Reading »

30 January 2020–Nearly 40 years ago, analog data tapes faithfully recorded intense seismic activity in the two months before the historic eruption of Mount St. Helens in Washington State in May 1980. It took some lengthy and careful restoration efforts—including a turn in a kitchen oven for some of the … Continue Reading »

22 January 2020–The 2019 Ridgecrest earthquake sequence, which startled nearby California residents over the 4 July holiday with magnitude 6.4 and magnitude 7.1 earthquakes, included 34,091 earthquakes overall, detailed in a high-resolution catalog created for the sequence. The catalog, developed by David Shelly at the U.S. Geological Survey in Golden, … Continue Reading »