Alaskan Seismometers Record the Northern Lights

alaska aurora

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 »

SSA Seeks New BSSA Editor-in-Chief

BSSA

7 July 2020 – Today the Seismological Society of America announced its search for the next Editor-in-Chief (EIC) of Bulletin of the Seismological Society of America (BSSA), its flagship, peer-reviewed international journal. The journal is key to the Society meeting its core mission to advance earthquake science worldwide and to … Continue Reading »

Geomagnetic Storms Could Be Recorded at Alaska Seismic Stations

Alaska Transportable array

30 June 2020–Adding relatively inexpensive magnetometers to seismic stations across Alaska could help track geomagnetic storms as well as improve the performance of the seismometers, researchers report in the Bulletin of the Seismological Society of America. As solar winds—plasma ejected from the Sun—interact with the Earth’s magnetic field at the … Continue Reading »

“Lettere Patenti” Help Assess Intensity of Historic Central Italian Earthquakes

Roman administrative document

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 »