Will the weather be abnormal before the earthquake?

Earthquakes are vibrations of the earth. It originates from a point underground, which is called the focus. Vibration comes from the source and propagates in the earth. The closest point on the ground to the earthquake source is called the epicenter, which is the place where the vibration was first received. Ground vibration is the most intuitive and common manifestation of earthquakes. Strong earthquakes at the bottom of the sea or in coastal areas will cause huge waves, which is called tsunami.

The weather and the abnormal reaction of animals are both omens of the coming earthquake. For example, groundwater suddenly rises and falls, flowers turn around, well water bubbles, tastes stale and muddy, and the earthquake precursor is that spring water or river water suddenly dries up and stops flowing; Sudden climate change; Abnormal reactions such as panic and anxiety in animals. Because the sensory organs of animals are particularly sensitive, they are called "living instruments" to monitor earthquakes. The generation of earth light and earth sound is also a harbinger of the coming earthquake.

As early as the17th century, there was a record in China ancient books that "the sky is clear at noon or after sunset, but there are fine clouds like lines, which are very long and have omens". 1935 "Rebuilding the Records of Longde County, Ningxia, China" records that "the weather is beautiful, the blue sky is clean, and suddenly dark clouds are like wisps, and Wan Ru snakes lie across the sky.

After many earthquakes, people have gradually accumulated rich experience in earthquake precursor observation. Ningxia's "Longde County Records" once summarized the earthquake precursors? Quot Six Ends of Earthquake ":First, the well water is quiet without waves, suddenly muddy as ink, and mud floats up, which is bound to be an earthquake. Second, the water in the pond is blown into a mess by the wind, and the bubble rises for no reason. If tea is boiled, there will be an earthquake. Third, it is natural that the sea meets the wind and the waves are high and urgent; If the weather is sunny and the typhoon doesn't work, the sea will suddenly wind up and there will be an abnormal swell, which will inevitably cause an earthquake. It's dark in the middle of the night, and the sky is suddenly bright and radiant, so the earthquake is bound to happen in the dark. The weather is sunny and warm, and the blue sky is clean. Suddenly, I saw the dark clouds winding like wisps, like a long snake, spanning in the air for a long time, and it must be an earthquake. Sixth, in midsummer, it's very hot and transpiration, sweating like rain, feeling cool, as if affected by ice and snow. Cold air attacks people, muscles explode, and it must be an earthquake. In the above six articles, in addition to the recognized anomalies of earth sound and animals, the macroscopic precursors such as weather anomalies, groundwater anomalies, tsunamis, earth light and earthquake clouds before the earthquake are summarized incisively, and the observation and description of earthquake clouds are basically consistent with the recent research of earthquake clouds abroad. These valuable experiences, not only in ancient times, but also today, can still be used as an effective means to predict earthquake groups and provide clues for us to further remind the mystery of earthquakes.