History Of Earthquakes

 
132 — The first seismic measuring device is invented in China.

1566 — An earthquake in Shaanxi, China, kills 830,000 people.

1811 to 1812 — A series of three major earthquakes and numerous aftershocks near New Madrid, Missouri, are felt as far away as Boston and Denver.

1883 — In the Indonesian islands, the Krakatoa volcano explodes. Its lengthy effects include ash clouds that cover the globe and a massive tsunami.

1906 — About 700 people were killed in San Francisco, California, when an earthquake was followed by about 30 fires that raged for three days.

1933 — In Japan, the Sanriku earthquake and tsunami occur in a location that saw damaging quakes in 1896.

1935 — Charles Richter develops the Richter scale, which rates earthquakes based on the size of their seismic waves.

1960 — At magnitude 9.5, the 1960 Valdivia earthquake in Chile is the most powerful quake ever recorded.

1964 — The Alaska earthquake, at magnitude 9.2, is the second-most powerful to date. The tsunami it generated caused damage as far away as Hawaii.

1965 — Plate tectonics is recognized as the theory that unifies current knowledge of earthquake science.

1977 — The National Earthquake Hazard Reduction Program is established by the U.S. Congress to reduce future risks to life and property from earthquakes.

1986 — The Global Seismographic Network was established to measure quakes and combine data using modern technology.

1989 — The Northridge quake in California causes billion in losses.

1994 — For earthquakes over magnitude 3.5, the moment magnitude scale (MMS), developed in the 1970s, replaces the Richter scale. MMS rates earthquakes based on the total amount of energy released.

2004 — A magnitude 9.1 earthquake off the coast of Sumatra created a massive tsunami, now known as the Indian Ocean tsunami, that caused damage in 14 countries. A global effort accelerates the development of a tsunami early warning system.

2011 — A magnitude 9.0  earthquake hits off the northeast coast of Japan’s Honshu island, generating a massive tsunami.

2012  — The city of Sendai, Japan, is recognized as a model for urban resilience for its recovery from the earthquake of 2011.

2018 — Indonesia is hit with nine significant earthquakes, six measuring magnitude 6.0 or greater. Aftershocks rumble in Central Sulawesi months later, with a magnitude 5 quake on November 3. More than 2 million people are affected by the quakes and aftershocks. On the evening of December 22, more than 400 people are reported dead after a tsunami strikes western Java and southern Sumatra islands.

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