On September 2, 1679, the weather was especially
hot before the magnitude-8 earthquake in Sanhe river,
Hebei province, and Pinggu in Beijing. It was September,
but it was still unbearably hot.
On March 16, 1925, before the Dali Earthquake, the yellow
fog was all around; there was no rain for a long time,
there was no cold weather at night and no dew in the morning,
which formed a typical dry, hot and foggy weather.
In 1933, in Sichuan province, Tiexi earthquake happened.
There are also such records of it: “it was continuously
sunny and very hot for days , especially before the
earthquake. At 14:30 PM earthquake happened. At night
the weather changed suddenly with howling wind and pouring
rain. At 22pm, the ground suddenly moved.”
On March 8th, 1966, in Hebei province, Xingtai earthquake
happened. The ground thawed in the earthquake zone, and
spring returned early. According to meteorological data,
the average daily temperature rose sharply by 25℃ from
-13℃ to 12℃ several days before the earthquake.
On July 26th, 1969, in Guangdong province, Yangjiang
earthquake happened. A few days before the earthquake,
it was particularly sultry making people feel uncomfortable.
On January 5, 1970, in Yunnan province, Tonghai earthquake.
It was the coldest month of the year in the local area, but
a few days before the earthquake, the weather became hot.
Even at night, people felt very hot. Many people couldn’t
fall asleep with the hot wind blowing towards the face. This
lasted until the earthquake came.
On February 6, 1973, in Sichuan province, Luhuo earthquake
happened. There were series of hot days preceding the
earthquake with temperature higher than that of the same
period in previous years.
On May 1, 1974, Yongshan earthquake happened. The days
before the earthquake were especially sultry and hotter