Abstract: Based on studies of continuous waveform data recorded on broad-band seismograph stations in Africa, Europe and North America, we report evidences for two temporally persistent and spatially ...
The phenomenon initially surprised the scientific community, which began by defining it as an "unidentified seismic object" before determining that the source was the landslide. In September 2023 ...
On September 16, 2023, several seismic stations worldwide detected a bizarre signal. Earthquakes are not rare. In 2023 alone, 1,712 earthquakes of magnitude 5 or more were registered worldwide.