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In the Sendai Port, the tsunami measured 0.9 m (2 ft 11 in) at 00:08. [114] In Iwate Prefecture, a 1.1 m (3 ft 7 in) tsunami was recorded at 02:26 on 16 January. The tallest tsunami was recorded 1.34 m (4 ft 5 in) at Amami Ōshima, Okinawa. [115] Tsunami waves of less than a metre were reported along the Hokkaido Pacific coast. [116]
[2] [9] Its most recent eruption in January 2022 generated a tsunami that reached as far as the coasts of Japan and of the Americas, and a volcanic plume that reached 58 km (36 miles) into the mesosphere. As of February 2024 the eruption is the largest volcanic eruption in the 21st century. Hunga Tonga–Hunga Haʻapai likely had a previous ...
An earthquake occurred off the coast of the Alaska Peninsula on July 28, 2021, at 10:15 p.m. local time. [ 5 ] The large megathrust earthquake had a moment magnitude (Mw) of 8.2 according to the United States Geological Survey (USGS). [ 6 ] A tsunami warning was issued by the National Oceanic and Atmospheric Administration (NOAA) but later ...
An explosive volcanic eruption occurred near the Kingdom of Tonga, a nation of 170 islands in the southwestern Pacific Ocean, causing tsunami waves to impact the region and ash to fill the sky. A ...
The latest in a string of powerful earthquakes shook part of the southwestern Pacific on Friday morning, local time, leading to far-reaching tsunami concerns. The magnitude 8.1 earthquake occurred ...
A tsunami warning was hoisted for the entire west coast of the United States, Hawaii and eastern coasts of Japan on Saturday morning after an earthquake struck near Tonga in the South Pacific. The ...
In some regions, tsunami sirens are used to help alert the public. The Pacific Tsunami Warning Center (PTWC), located on Ford Island, Hawaii, is one of two tsunami warning centers in the United States, covering Hawaii, Guam, American Samoa and the Northern Mariana Islands in the Pacific, as well as Puerto Rico, the U.S. Virgin Islands and the British Virgin Islands in the Caribbean Sea.
Nuʻuanu Slide or Nuʻuanu Debris Avalanche is the largest of seventeen known submarine landslides around the Hawaiian Islands and at 200 kilometers (124 mi) in length, one of the largest landslides on Earth. It broke from the eastern or windward side of Oʻahu, Hawaiʻi between 1 and 1.5 million years ago and lies in the Pacific Ocean north of ...