Not long ago, California, located in the western United States, experienced consecutive earthquakes of html 6.4 on the Richter scale and 7.1 on the Richter scale. This was the largest earthquake in California in the past 20 years and affected many cities. Although there is no news of casualties yet, it triggered panic among countless American people. In fact, the area where California is located in the United States has experienced frequent earthquakes in recent years. Since 1989 alone, there have been four strong earthquakes with magnitudes above 7 on the Richter scale (magnitude 7.3 on October 18, 1989, 7.3 on April 26, 1992, 7.9 on June 28, 1992, and 7.1 in 2019). According to experts, many cities in California are located in the famous " San Andres Fault " area. Since the "San Andres Fault" has continued to move faster in recent years, according to expert predictions, the real disaster is still brewing.
As one of the most economically prosperous and densely populated states in the United States, California, located on the west coast of the United States, first triggered a wave of immigrants that dates back to the discovery of the American continent. Due to the discovery of many gold mines in areas such as San Francisco, the gold mining boom quickly drove the prosperity and development of the entire California region. Today, Hollywood, Silicon Valley are both located in California, especially in the economic field. According to statistics from the U.S. Department of Commerce last year, if California is calculated as an independent economy, its economic scale will even exceed that of the United Kingdom, ranking fifth in the world. However, the geological conditions of such a prosperous and prosperous California are like a "ticking time bomb" that may explode at any time.
According to research by geologists, many large cities in California, including Los Angeles and San Francisco, are located on the famous "San Andreas Fault." As the area with the most stratigraphic activity on the earth, it is also the hardest-hit area with frequent earthquakes. According to estimates, every few decades, an extremely destructive and powerful earthquake will occur along the San Andreas Fault. Judging from the actual situation, this theory is by no means alarmist, especially since the 1980s, the number of strong earthquakes in California has increased year by year. In particular, in addition to the two consecutive strong earthquakes of magnitude 6 or above, in just a few days, the US Earthquake Department has detected and counted more than 4,700 aftershocks in California, almost reaching an intensity of one earthquake per minute.
In fact, as early as 1978, the American "Newsweek" published a research report by an authoritative geologist. The report mentioned that the frequency of activity of the "San Andreas Fault" has continued to increase in the past half century. In particular, the energy accumulated by underground geological movements is all accumulated in rock cracks in a closed environment, which has made the underground rock structure extremely fragile. Once the geological movement accelerates to the critical point, all this huge energy is released, which will inevitably trigger extremely destructive strong earthquakes. As early as April 18, 1906, the huge disaster caused by the "San Francisco Earthquake" shocked the whole world. It also caused the United States and other countries around the world to conduct continuous and in-depth research on earthquakes. Earthquake science has also developed rapidly since then. Not only that, this earthquake has a profound impact on the "San Andreas Fault". Because according to post-disaster detection, the earthquake caused the "San Andreas Fault" to slide 6 meters, which further increased the probability of a strong earthquake.
In 2017, the United States Geological Survey pointed out in a report that in the next thirty years, the number of earthquakes in California will increase year by year. Especially in terms of the occurrence probability of strong earthquakes, the probability of occurrence of strong earthquakes with magnitude 8 and above will be about 7%. At the same time, according to the research predictions of many American geologists, judging from the current movement trajectory of the "San Andreas Fault", the possibility of another strong earthquake along the fault will be as high as 70% by 2030 at the latest. By then, California located in the core area of the "San Andres Fault" will also bear the brunt. The scale and destructive power of the next strong earthquake will also be beyond imagination, writing another tragic event in the history of human disasters. (Sharp Blade/Sheva)
