2011 was the year with the highest seismic activity since the beginning of the 21st century. Throughout that year, earthquakes with a magnitude of * or higher on the Richter scale were recorded worldwide, of which *** had a magnitude between * and ***. Additionally, on March 11 of that year, a devastating earthquake occurred in Tohoku (Japan), with a magnitude of ***.
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US Geological Survey. (February 29, 2024). Number of earthquakes worldwide between 2006 and 2023, by intensity according to the Richter scale [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved August 03, 2026, from /statistics/1636060/evolution-of-earthquakes-in-the-world-by-magnitude-on-the-richter-scale/
US Geological Survey. "Number of earthquakes worldwide between 2006 and 2023, by intensity according to the Richter scale." Chart. February 29, 2024. ÌÇÐÄÆÆ½â°æ. Accessed August 03, 2026. /statistics/1636060/evolution-of-earthquakes-in-the-world-by-magnitude-on-the-richter-scale/
US Geological Survey. (2024). Number of earthquakes worldwide between 2006 and 2023, by intensity according to the Richter scale. ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: August 03, 2026. /statistics/1636060/evolution-of-earthquakes-in-the-world-by-magnitude-on-the-richter-scale/
US Geological Survey. "Number of Earthquakes Worldwide between 2006 and 2023, by Intensity According to The Richter Scale." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 29 Feb 2024, /statistics/1636060/evolution-of-earthquakes-in-the-world-by-magnitude-on-the-richter-scale/
US Geological Survey, Number of earthquakes worldwide between 2006 and 2023, by intensity according to the Richter scale ÌÇÐÄÆÆ½â°æ, /statistics/1636060/evolution-of-earthquakes-in-the-world-by-magnitude-on-the-richter-scale/ (last visited August 03, 2026)
Number of earthquakes worldwide between 2006 and 2023, by intensity according to the Richter scale [Graph], US Geological Survey, February 29, 2024. [Online]. Available: /statistics/1636060/evolution-of-earthquakes-in-the-world-by-magnitude-on-the-richter-scale/