Tsunamis are devastating natural disasters that can strike with little to no warning for coastlines. Often the first sign of major tsunami is a drop in the sea level as Keep reading
Tag: tsunami
Tongan Eruption
In January 2022, the Hunga Tonga-Hunga Ha’apai volcano erupted spectacularly, sending waves around the world through the air, water, and ground. In many ways, it was unlike any eruption scientists Keep reading
The Chicxulub Impact’s Tsunami
66 million years ago an asteroid struck offshore of what is now Chicxulub near the Yucatán Peninsula in Mexico. The impact and its aftermath are widely credited with a mass Keep reading
Landslide-Triggered Tsunamis
After the 2018 Anak Krakatoa eruption, a tsunami that ricocheted through the surrounding waters, killing hundreds on nearby islands. The source of that tsunami was a small landslide. Once the Keep reading
Deciphering Krakatau
In 1883, the eruption of Krakatau (also called Krakatoa) shook the world, sending shock waves and tsunamis ricocheting across the globe. Some of the smaller waves hit shorelines in the Keep reading
Anak Krakatoa Landslide
Last December, the collapsing flank of the Anak Krakatoa volcano caused a deadly tsunami in Indonesia. Using satellite imagery, scientists have now constructed a timeline of the island’s dramatic restructuring. In the Keep reading
Anak Krakatoa Tsunami
In late December 2018, a landslide on the island Anak Krakatoa triggered a deadly tsunami in Indonesia. The island (upper left, pre-landslide) lost an estimated 300 meters of height in Keep reading
How Tsunamis Cross the Ocean
Last week an earthquake in Chile raised concerns over a possible tsunami in the Pacific. This animation shows a simulation of how waves would spread from the quake’s epicenter over Keep reading
“Tidal Wave” vs. “Tsunami”
This is part of the trouble when the same term has a scientific meaning and a lay meaning. See also: fluid.
Tsunami Simulation
This simulation shows how tsunami waves are expected to spread from the epicenter of the Japanese magnitude-8.9 earthquake. Note the complicated interference and reflection patterns. The main wavefront moved at a speed Keep reading