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The ground may feel steady underfoot, but the planet is always in motion. While satellites and sensors have mapped the ...
The Indian Ocean "gravity hole" is a region where Earth's mass is reduced, leading to weak gravitational pull, lower-than-average sea levels and a puzzle scientists have only just begun to solve.
High-resolution images: Maximum Wave Height (210 kB PDF) Travel Time (280 kB PDF) These maps show modeled maximum wave height (top) and travel time (lower) for the Indian Ocean Tsunami […] ...