On November 11 at 04:32 UTC, the 8.5-magnitude Vallenar earthquake of 1922 took place in Chile's Atacama Region close to the Argentina border. It created a catastrophic tsunami that was seen as far away as Australia and seriously damaged Chile's coast.

The earthquake occurred in a site where the South American and Nazca tectonic plates are convergent at a pace of 70 millimeters per year.

Since the Paleozoic, Chile has been located at a convergent plate boundary that causes massive earthquakes (500 million years ago). Along this plate boundary, the Chilean coast has seen numerous megathrust earthquakes throughout history, including the largest earthquake ever recorded. The boundary most recently broke in central Chile in 2010.

Great ShakeOut Earthquake Drills, a worldwide earthquake safety movement, encourages people to annually practice how to protect themselves during shaking to reduce injuries and even loss of life. In 2021, 30 million people have participated in ShakeOut, with more than 15.5 million who held drills at the International ShakeOut Day.

The 1952 Severo-Kurilsk earthquake struck off the coast of the Kamchatka Peninsula. The 9.0 Mw earthquake triggered a major tsunami that hit Severo-Kurilsk, Kuril Islands, Sakhalin Oblast, Russian SFSR, USSR, on 4 November 1952...

We should be aware of hazards in your area beforehand. Once the hazards have been identified they can be handled properly, reducing or eliminating the risk of injury or death during and after earthquakes.

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Keeping your home free of dangers and equipped with home safety products can prevent mundane accidents such as falls and can protect you from emergencies like earthquakes, fires and more. Practice some good habits around your home to keep you and your loved ones safe.

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In an earthquake, Drop, Cover, Hold. It stops you from being knocked over, makes you a smaller target for falling and flying objects, and protects your head, neck and vital organs. DROP down on your hands and knees.

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An earthquake is a sudden, rapid shaking of the ground caused by the shifting of rocks deep underneath the earth’s surface. Earthquakes can cause fires, tsunamis, landslides or avalanches. While they can happen anywhere without warning, areas at higher risk for earthquakes include Alaska, California, Hawaii, Oregon, Puerto Rico, Washington and the entire Mississippi River Valley...

On October 13 at 05:17 UTC, the Kuril Islands earthquake of 1963 took place. An incident with a magnitude of Mw=7.8 occurred seven days after the 8.5-magnitude earthquake. Tsunamis were seen in the Pacific Ocean's northern region as a result of both earthquakes.

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Scientists are predicting in a new model what would happen if a tsunami hit Western Washington.

The simulator shows what would happen if a 9.0 earthquake hit the Cascadia subduction zone - also known as “the big one.”

The study estimates that the earthquake would generate a tsunami capable of submerging coastal areas as well as most of the shoreline in Puget Sound with several feet of seawater.

Three of the Sumatra earthquakes of September 2007 had a magnitude of 7 or above and were part of a series of megathrust quakes that hit the Sunda Trench off the coast of Sumatra, Indonesia. There were several tsunami warnings sent out for the region. With a magnitude of 8.4, the strongest in the series ranks among the top 20 largest earthquakes ever detected by a seismograph.