TSUNAMIS

Earthquakes may betray their impending presence much earlier than previously thought through a variety of anomalies present in the ground, atmosphere and ionosphere that can be detected using satellites, a recent study in the Journal of...
University of Southern California scientists have proven that the Earth's inner core is backtracking—slowing down—in relation to the planet's surface, as shown in new research published in Nature. Movement of the inner core has been debated by the scientific community for...

Model shows New Zealand should expect 15-meter tsunami every 580 years

A team of geographers, Earth scientists and environmental scientists affiliated with several institutions in New Zealand, working with that country's National Institute of Water...

Japan issues tsunami alert after M7.7 quake hits off Philippines

Japan's weather agency issued a tsunami alert late Saturday for wide areas facing the Pacific including the prefectures of Chiba, Shizuoka and Kagoshima, after...

Japan lifts a tsunami advisory issued after an earthquake hit near its outlying islands

Japan issued a tsunami advisory Thursday after a strong earthquake struck near its outlying islands in the Pacific Ocean, but lifted it about two...

How an earthquake becomes a tsunami

The movement between continental and oceanic plates at the bottom of the sea, so-called megathrust earthquakes, generates the strongest tremors and the most dangerous...

7.7 magnitude earthquake causes small tsunami on South Pacific islands

A 7.7 magnitude earthquake caused a small tsunami to wash ashore on South Pacific islands Friday. No damage has been reported, and the threat...

Pre-Columbian tsunami deposit revealed in a core taken in mangrove pond at East Bajura, Puerto Rico. Credit: Bruce Jaffe

Tsunami deposits identified in a coastal mangrove pond in Northwest Puerto Rico could have come from a megathrust earthquake at the Puerto Rico Trench...

Strong earthquake shakes western Indonesia, no tsunami alert

A strong undersea earthquake shook western Indonesia Monday morning. But there were no immediate reports of serious damage or casualties. The magnitude 6.0 earthquake was...

Seafloor video shows landslide was not source of 1918 Puerto Rico tsunami

Seafloor video collected by a remotely operated vehicle off the coast of Puerto Rico indicates that an underwater landslide was not the cause of...

Underwater tsunamis created by glacier calving cause vigorous ocean mixing

Scientists on a research vessel in Antarctica watched the front of a glacier disintegrate and their measurements "went off the scale." As well as...

Global tsunamis driven by underwater volcanic eruptions

In 1883, there was a volcanic eruption so large it killed tens of thousands of people. It expelled so much ash that, for a...

The plate boundary between Africa and the Iberian Peninsula could cause large tsunamis

A new study led by the Institut de Ciències del Mar (ICM-CSIC) in Barcelona and the Institució Catalana de Recerca i Estudis Avançats (ICREA)...

Shockwave caused by Tonga underwater eruption may help scientists predict future tsunami

Using data from the eruption of the underwater volcano near Tonga in 2022, a research group at Nagoya University in Japan has used disturbances...

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