9.5
The highest Richter scale value for an historical earthquake was the Great Chilean Earthquake (Valdivia Earthquake) of 1960, which occurred on May 22, 1960. Its moment magnitude was estimated at 9.5 on the Richter scale (9.4 to 9.6).
The Great Chilean Earthquake
The strongest earthquake recorded on the Richter scale was the Great Chilean Earthquake, which struck on May 22, 1960. It measured 9.5 in magnitude and caused widespread devastation in Chile, triggering tsunamis that affected coastal areas across the Pacific Ocean. This earthquake remains the most powerful ever documented in history.
The biggest earthquake ever recorded, which occurred near the cities of Valdivia and Puerto Montt, Chile, in 1960. Known as the Great Chilean Earthquake, the quake measured an impressive 9.5 on the Richter scale. The death toll of the Great Chilean Earthquake is not known, although the USGS estimates about 1,655 people died, and the earthquake may have caused as much as $800 billion US Dollars in damage.
Approximately 1,000-1,500 people were killed in the Great Chilean Earthquake that occurred on May 22, 1960.
No. It is neither the most powerful nor most destructive (in terms of number of deaths). The most powerful earthquake ever was the Valdivian / Great Chilean Earthquake of 1960 (9.5 on Richter scale) and the most destructive was the Shaanxi, China earthquake of 1556 which supposedly killed 850 thousand people. Today's earthquake in comparison was 8.9 on the Richter scale and so far 300 people have been confirmed dead and 500 more missing.
About 8.4 on Richter scale.
Tt was an 8.9 on the Richter scaleand was Japan's largest earthquake ever.
The strongest earthquake to date that was recorded is the Valdivia, Chile (May 22, 1960) earthquake (Great Chilean earthquake) with a on the moment scale magnitude of 9.5.
It occurred on the 22nd of May 1960. Please see the related link.
The epicenter for the 1960 Great Chilean Earthquake or Valdivia Earthquake happened near the city of Cantete about 100 miles south of the 2010 Chile earthquake.
This earthquake destroyed homes, buildings, and schools. This earthquake threatened the USA to by, It hurt Hilo , Hawaii and the USA. had to pay billions of dollars to repaire.