When the edge of a Greenland glacier breaks off into the sea to become an iceberg, can a global seismic network "hear" it? The answer is yes—but only if the event is a large one. And it helps to pair the resulting surface seismic waves with satellite observations to get the best overall chance at detecting calving tidewater glaciers, researchers said at the 2026 SSA Annual Meeting.

When the edge of a Greenland glacier breaks off into the sea to become an iceberg, can a global seismic network “hear” it? The answer is yes—but only if the event is a large one. And it helps to pair the resulting surface seismic waves with satellite observations to get the best overall chance at detecting calving tidewater glaciers, researchers said at the 2026 SSA Annual Meeting.

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