John Bradbury

Events

1

Episodes

2

Years

1811

Every event in Historedia whose sources name John Bradbury, with the role they cite and all of that event’s episodes. This is not a biography, and mentions are grouped by name, so two people with the same name can share this page.

Events and episodes

1. New Madrid earthquake begins the 1811-12 sequence

   1811

   Role: Eyewitness

   1. 116 December 1811 · New Madrid, MissouriInitial Earthquake and Aftershock

      A major earthquake struck on December 16, 1811, followed by a strong aftershock the same day, causing widespread alarm.

   2. 216 December 1811 · Mississippi River, as reported from New MadridRiver Phenomena

      Contemporary reports describe the Mississippi River's current as temporarily retrograde during the earthquake.

Sources

1. 1811–1812 New Madrid earthquakes Wikipedia, revision of 2026-09-30