Earthquakes are vibrations that occur in the Earth’s surface caused by the movement of the earth’s crust or plates. Gauges or seismograph called a seismometer or also known as a seismograph. The magnitude of an earthquake is expressed in the Richter Scale.
Earthquakes mostly occur due to the release of energy for their slab or crust moves, and also it can be caused by the movement of magma inside the volcano, the accumulation of a large mass of water behind the dam and can also be caused from blasting explosives.
1. Earthquake Shaanxi
earthquake deadliest in history that occurred on February 14, 1556 in Shaanxi, China claimed the lives of no less than 830,000 people. This earthquake was recorded at 8.0 on the Richter scale www.whatcausesearthquakes.com
2. The Tangshan Earthquake
This earthquake occurred on July 28, 1976 in Tangshan Hebei, china. This earthquake claimed the lives of about 255,000 people. This earthquake took place in the morning and is expected to take place in 10 seconds with 8.o Richter scale.
3. Haiyuan Earthquake
Earthquake that occurred on December 16, 1920 in the town of Haiyuan, Ningxia, China resulted in at least 240,000 people died. Haiyun around 7.8-8.5 magnitude earthquake on the Richter scale.
4. Earthquake Aleppo
earthquake centered in the city of Aleppo, Syria on October 11, 1138 that killed at least 230,000 people. The magnitude of the earthquake which measured 8.5 on the Richter scale.
5. The Indian Ocean Earthquake
This earthquake occurred on 26 December 2004 in the Indian Ocean, off the west coast of Aceh. The quake measuring 9.3 on the Richter scale, which is the largest earthquake in Southeast Asia in the last 40 years. This earthquake also caused a tsunami that killed approximately 230,000 people.