Will global warming cause earthquakes and tsunamis?

With global warming, the crust will change, and earthquakes, volcanic eruptions, large-scale landslides and tsunamis may become more frequent. Explanation: As the climate warms, the ice begins to melt, and the pressure on the earth's crust changes: after the ice melts into water, the water often flows to other places, which often reduces the pressure in the original position, and then increases the pressure there after flowing to other places, thus breaking the original stress balance of the earth's crust. Therefore, it may cause crustal changes. Changes in the earth's crust often cause changes in the nearby waters, which may indirectly lead to tsunamis. On the other hand, the melting of ice itself may directly trigger a tsunami. For example, a large ice sheet suddenly collapses into the sea due to the melting of the bottom, which will trigger a tsunami, but this situation is rare. Of course there are other effects, please refer to the following. The heat wave is getting hotter, the hurricane is getting fiercer and the sea level is getting higher and higher. These are all warnings from global warming to human beings. But scientists point out that frequent earthquakes are also related to global warming. The latest science subject to join the global warming debate is geology. Some geologists explain that climate warming directly leads to the melting of the ice sheet, which will release the suppressed pressure in the crust and lead to extreme geological accidents, including earthquakes, tsunamis and volcanic eruptions. The weight of one cubic meter of ice is close to one ton, and the thickness of some ice layers will exceed 1000 meters. When these weights are removed by melting, the crust will spring back to its original shape. Patrick Wu, a geologist in university of alberta, Canada, explained this effect with a vivid example: he pressed the football with his thumb, and when the thumb was raised and the surface pressure on the ball was removed, the football would return to its original state. These thick ice layers at the poles of the earth, just like the thumb pressing the earth, bring great pressure to the earth and inhibit the occurrence of earthquakes, but when they melt, they will trigger earthquakes again. When there is an earthquake under the ocean, a tsunami will form. Of course, for the earth, this recovery process is quite slow because the crust is very hard. For example, the occasional earthquake in eastern Canada is actually related to the rebound of the last ice age more than 10 thousand years ago. The melting of snow in Antarctica and Greenland will have the same effect, but this process will be accelerated by the greenhouse effect. Patrick Wu also said that after the ice melts, the re-liquefied water will cause the sea level to rise and increase the weight borne by the seabed, which may also affect the plates deep in the stratum. The crust may be more sensitive than many people think, which has been proved by many examples before. For example, after the completion of the dam, the reservoir water intercepted by the dam increased, causing an earthquake. Alan Gherraby Neal, a volcano expert at North Carolina State University, said that when he discovered the relationship between climate change and volcanic activity off the coast of California, he was skeptical at first. However, he went to the library to check the information and found that this connection between climate change and volcanic activity is particularly obvious in many parts of the world, especially in the Mediterranean region. He said: "When the ice melts, the load on the earth's crust is reduced, and under the action of pressure, the magma under the earth's crust is more likely to be ejected. This is a volcano. " The paper published by British geologist Bill Maguire in New Scientist magazine also pointed out: "There is more and more evidence all over the world that global climate change has affected the frequency of earthquakes, volcanic eruptions and catastrophic submarine landslides. This phenomenon has happened many times in the history of the earth, and the evidence shows that it is happening again. "