When large icebergs break off, they produce a seismic event detectable across the Earth. These glacial quakes are all around magnitude 4.6 to 5.2. So pretty big. These earthquakes aren’t caused by faults but triggered by incredible movements of ice and how those impact the ground beneath. Glacial earthquakes are induced during iceberg capsizing: In comparison to … Continue reading Greenland icebergs create powerful earthquakes recorded around the world when they break off