Tropical Storms and Hurricanes Today
See active tropical storms and hurricanes in NOAA’s current summary, including maximum winds, pressure, position, movement, and links to official forecasts.
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Arctic and Antarctic Sea Ice Today
Daily Arctic and Antarctic sea-ice extent from the NSIDC Sea Ice Index, with recent changes, charts, methodology, and limitations.
Earthquakes Today
Live USGS data for earthquakes recorded in the rolling past 24 hours, with magnitudes, depths, locations, and guidance on how to read the numbers.
How tectonics shaped Musandam at the Strait of Hormuz
At the Strait of Hormuz, the hard limestone spine of the Musandam Peninsula meets a much larger geological turn. To the northwest, Arabia presses into Eurasia in the Zagros collision zone. To the southeast, seafloor from the Gulf of Oman descends beneath southern Iran along the Makran subduction system. The narrow sea passage lies beside…