A tsunami is a series of ocean waves generated primarily by underwater disturbances, such as earthquakes, volcanic eruptions, or landslides. Characterized by their immense energy and long ...

Thursday's tsunami warning left many scared and wondering, what are the signs and causes of a tsunami and how do we know when a tsunami warning needs to be put out? According to the Cascadia ...

Within 20 minutes, waves of water began to hit the coasts of surrounding islands. In Indonesia's Aceh province in Northern Sumatra, waves reached 167 feet and caused floods for three miles. Following ...

For months, experts were at a loss as to what caused the tsunami observed over a wide stretch of the Pacific Ocean in October last year. No major earthquakes were detected that day. But the Japan ...

In 2004, a 9.1 magnitude earthquake off the island of Sumatra in western Indonesia triggered a tsunami in the Indian Ocean that killed more than 220,000 people across 12 countries. Ali Rogin ...

Oregon scientists are hoping to help the coastal communities survive a major inundation in various ways. One of those is ...

The theory is that such a significant volcanic eruption would cause a large section of Cumbre Vieja's western slope to slide into the Atlantic, triggering a mega-tsunami in the eastern United States, ...

Lori Dengler, professor emeritus of geology at Cal Poly Humboldt, says that the earthquake’s proximity to land caused concern about a tsunami forming. “Because this earthquake was so close to ...

There are many factors to consider in the causes of a tsunami, such as the depth of the quake's focus. However, with the exception of “mysterious tsunami,” there have been few cases of tsunami ...

The Bureau of Meteorology says tsunamis that affect Australia are more likely to result in dangerous rips and currents (a marine threat) than cause land inundation (a land threat). When the ...