Strange Seismic Signals That Baffled Scientists for 9 Days Are Finally Decoded

Strange Seismic Signals That Baffled Scientists for 9 Days Are Finally Decoded

In 2023, Earth sent out a series of mysterious seismic signals that lasted for nine days, leaving scientists puzzled. These signals, occurring every 90 seconds, first appeared in September and reappeared in October, prompting a deeper investigation. Initially suspected to be caused by a seiche—standing waves in enclosed bodies of water—researchers struggled to confirm the cause. However, a breakthrough came when NASA’s advanced Surface Water Oce…