Entire Earth vibrated for nine days after climate-triggered mega-tsunami The GuardianA rumble echoed around the world for nine days. Here’s what caused it. The Washington PostWe Now Know Why Earth Vibrated for Nine Days in 2023 The Wall Street Journal650-foot tsunami in Greenland made waves for days, scientists find NBC News650-Foot High Megatsunami in Greenland Sends Seismic Waves Worldwide SciTechDaily