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People watch the ocean after a powerful earthquake struck off the coast near Ocean Beach, in San Francisco, California, U.S., December 5, 2024. The word tsunami comes from the Japanese for "harbor ...
The magnitude 9.5 earthquake of 22 May 1960, the largest earthquake ever recorded, generated one of the most destructive tsunamis of the 20th century. The tsunami spread across the Pacific Ocean, with waves measuring up to 25 metres (82 ft) high in places. The first tsunami wave hit Hilo, Hawaii, approximately 15 hours after its origin. The ...
The 2004 Indian Ocean tsunami was a teletsunami.. A teletsunami (also called an ocean-wide tsunami, distant tsunami, distant-source tsunami, far-field tsunami, or trans-ocean tsunami) is a tsunami that originates from a distant source, defined as more than 1,000 km (620 mi) away or three hours' travel from the area of interest, [1] [2] sometimes travelling across an ocean.
More than 150 tsunamis have hit California’s shore since 1800. Most were barely noticeable, but a few have caused fatalities or significant damage. The most destructive tsunami to hit California ...
An astronomical object between 37 and 58 kilometres (23 and 36 mi) wide traveling at 20 kilometres (12.4 mi) per second struck the Earth 3.26 billion years ago east of what is now Johannesburg, South Africa, near South Africa's border with Eswatini, in what was then an Archean ocean that covered most of the planet, creating a crater about 500 ...
The last tsunami to hit California was in January, after a volcanic eruption in the South Pacific Ocean near Tonga sent 2-foot tsunami waves barreling through the Bay Area more than 5,000 miles away.
Two other sub-events measuring 7.6 M w and 7.7 M w occurred 250 km and 300 km south. The 7.6 M w sub-event involved breaking the shallow subduction zone, displaying characteristics of a tsunami earthquake. The larger and shallower mainshock was a slow-rupturing tsunami earthquake that released 70 percent of the seismic moment.
Louis Mullan and Paul Murray were caught up in the 2004 Indian Ocean tsunami.