May 12, 1021 Earthquake: Switzerland
An earthquake struck Switzerland on May 12, 1021 at 10:00 UTC.
Map
Where it struck, with the other significant earthquakes within 200 km. Circles are sized and colored by magnitude; select one for its page.
The earthquake
- Date
- May 12, 1021
- Time
- 10:00 UTC
- Place
- Switzerland
- Intensity
- 9 on the Modified Mercalli scale
- Tsunami
- None recorded
- Epicenter
- 47.500° N, 7.600° E
- Country
- Switzerland
The toll
- Damage
- Severe (about $5 to $25 million)
Where the literature gives no number, NCEI records a description on a scale of 1 to 4, printed here in its words. Damage is in millions of US dollars of the year of the event, not adjusted for inflation.
Other significant earthquakes nearby
Within 200 km, the deadliest first.
- October 18, 1356, Basel, Switzerland
- March 11, 1584, Geneva-Yvoire, Switzerland
- September 18, 1601, Switzerland
- March 11, 1817, Chamonix Valley, France
- July 25, 1855, Haut-Valais, Switzerland
- November 24, 1346, Switzerland
- September 14, 1454, Switzerland
- September 15, 1454, Switzerland
- November 29, 1610, Switzerland
- December 8, 2006, Basel, Switzerland
- March 23, 1391, Switzerland
- December 5, 2004, Emmendingen, Freiburg Im Breisgau, Germany
- 1375, Switzerland
- April 18, 1835, Switzerland
- March 1616, Switzerland
More
Significant earthquakes of 1021The 1000sRecent earthquakes near hereThis day in weather history
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. NCEI earthquake 322.