The earliest recorded evidence of an earthquake has been
traced back to 1831 BC in the Shandong province of China, but there is a
fairly complete record starting in 780 BC during the Zhou Dynasty in
China.
Read More......
When the Chilean earthquake occurred in 1960, seismographs
recorded seismic waves that traveled all around the Earth. These
seismic waves shook the entire earth for many days! This phenomenon is
called the free oscillation of the Earth.
Read More......
Asian women are the most likely to be in a first marriage that lasts
over 20 years. The CDC concludes that 70% of Asian women are still in
their first marriage, compared to 54 % of white women, 53% of Hispanic
women, and 37 % of black women.
Read More......