Significant Earthquakes of 1840
Every significant earthquake NOAA records in 1840.
Map
The significant earthquakes of 1840. Circles are sized and colored by magnitude; select one for its page.
Every earthquake
- 1840, Kadavu, Fiji
- January 4, 1840, Purworejo, Java, Indonesia
- January 28, 1840, Lima, Peru
- February 14, 1840, Ternate Island, Maluku, Indonesia
- March 22, 1840, Sorsogon,masbate Is,casiguran,albay, Philippines
- July 2, 1840, Maku, Mt Ararat, Aguri, Aralikh, Iran, Turkey
- August 27, 1840, Ljubljana, Slovenia, Balkans NW
- October 30, 1840, Zakinthos (Zante), Greece
- November 11, 1840, Philadelphia, Pennsylvania, United States
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.