One of the most powerful and destructive powers of nature is an earthquake. At the point when there is a sudden arrival of vitality within the Earth’s covering, seismic waves are made, resulting in an earthquake. Its intensity is estimated using a Richter scale, and it is recorded on a seismometer
.➤ In 350 BC, Aristotle, a Greek rationalist, found that the delicate ground shakes in excess of a hard and rough ground when earthquakes happen.
➤ In America, the European pilgrims experienced an earthquake in the mid-seventeenth century. Be that as it may, the Spanish travelers made the most punctual report of an earthquake in 1769, which happened 30 miles southeast of Los Angeles.
➤ In 1556, January 23, an earthquake happened in Shansi, China killing around 830,000 individuals. This debacle is considered the deadliest ever off.
➤ In 1751, crude seismographs were first built; the explanation behind the events of an earthquake was determined just in 1855.
➤ There were 46 noteworthy earthquakes around the world from 1900-1949, i.e., in a year the normal is 1.08. In any case, somewhere in the range of 1950 and 1999, a normal of 1.64 earthquakes had happened around the world, i.e., around 82 earthquakes.
➤ Between 2000 and 2004, 10 noteworthy earthquakes have been accounted for at a normal of 2.5 earthquakes for each year. The greatness and the recurrence of such catastrophes are increasing each year.
➤ Reports demonstrate that few million recognizable earthquakes happen far and wide. In any case, the tremors of just 20% of the earthquakes could be felt, as they are of low intensity.
➤ On May 22, 1960, an earthquake of size 9.5 struck Southern Chile. This is the biggest earthquake at any point recorded. It murdered a large number of individuals and around two million were left destitute. The intensity of this earthquake caused a wave that came to the extent that Japan killing around 140 individuals.
➤ Southern California sees a normal of 10,000 earthquakes in a year. In any case, the greater part of these is minor tremors that go unnoticed. Just 15 to 20 earthquakes are more noteworthy than size 4.0.
➤ The San Andreas fault zone is in excess of 800 miles and up to 10 miles down. An earthquake can happen along one of the faults whenever.
➤ On a normal, one devastating earthquake with a greatness of 8.0 or above happens once every year. In excess of a million little tremors strike our planet’s surface each year.
➤ San Francisco Bay zone is vulnerable to such debacles. The center segment of the Bay Bridge fell in the 1989 earthquake of Loma Prieta.