ripples

The Tonga Volcanic Eruption Was So Powerful It Sent Ripples Out Into Space

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The ongoing volcanic eruption in Tonga began in December 2021, but it wasn’t until 5:15 pm local time on January 15, 2022, that the powerful explosion occurred. It generated an enormous cloud of ash, earthquakes, and tsunamis that reached as far as the distant coastlines of Peru on the other side of the Pacific.   … Read more

Tonga Volcano Eruption Created Puzzling Ripples in Earth’s Atmosphere

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Scientists are racing to understand a puzzling series of massive ripples in Earth’s atmosphere triggered by the eruption of the Tongan volcano at the weekend. Satellite data shows that the event — which some fear might have devastated the Pacific-island nation — provoked an unusual pattern of atmospheric gravity waves. Previous volcanic eruptions have not … Read more

There’s a Hidden Mathematical ‘Law’ in The Sand Megaripples Found All Over Earth

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Wherever there is sand and an atmosphere, prevailing winds may whip the grains into undulating shapes, pleasing to the eye with their calming repetition. Certain sand waves, with wavelengths between 30 centimeters (almost 12 inches) and several meters (around 30 feet), are known as megaripples: they’re between ordinary beach ripples and full dunes in size, … Read more