| Board | Threads | Messages | Last Post |
| Benton Co. Arkansas tornado April 21, 1887 | 0 | 0 | 8 May 2014 |
| Galveston Hurricane | 0 | 0 | 12 Jun 2015 |
| Hurricane Katrina - August 2005 | 147 | 265 | 21 Apr 2006 |
| New Orleans Louisiana Hurricane 1915 | 0 | 0 | 15 Apr 2015 |
| Railroad Accidents | 257 | 424 | 5 May 2015 |
| SS Atlantic Shipwreck on Lake Erie - 1852 | 1 | 1 | 27 Dec 2013 |
| Triangle Shirtwaist Factory Fire | 0 | 0 | 28 Jun 2010 |
| Donner Party (winter 1846-1847) | 1 | 3 | 19 Apr 2010 |
| General Slocum Disaster (1904) | 22 | 83 | 26 Jan 2015 |
| Johnstown, Pennsylvania Flood (1889) | 1 | 6 | 6 Aug 2011 |
| San Francisco Earthquake & Fire (1906) | 17 | 45 | 2 Apr 2013 |
| SS Princess Sophia Shipwreck (1918) | 21 | 59 | 22 May 2014 |