Significant Earthquakes of 1820
Every significant earthquake NOAA records in 1820.
Map
The significant earthquakes of 1820. Circles are sized and colored by magnitude; select one for its page.
Every earthquake
- 1820, Mazandaran, Iran
- 1820, Loango, Congo
- March 1, 1820, East Aleutian Islands, Alaska, United States
- March 17, 1820, Levkas, Greece
- May 4, 1820, Guerrero, Oaxaca, Puebla, Veracruz, Mexico
- August 3, 1820, Henan Province, China
- October 9, 1820, Shiraz, Iran
- October 19, 1820, Omoa, San Pedro Sula, Honduras
- December 29, 1820, Makasar, Sulawesi, Indonesia
- December 29, 1820, Zakinthos (Zante), Greece
Sources
Significant earthquakes from NOAA’s National Centers for Environmental Information, Global Historical Hazard Database, cited as NCEI/WDS, doi:10.7289/V5PN93H7. Public domain. Read 2026-09-24.