Try Out the Latest Microsoft TechnologyAlert for Deleted SharePoint 2013 Site Collections
This script can check if a SharePoint 2013(not tested on SP2010 SP1) Site collection is deleted in specified Web Application and will send an email alert with details.The script will send email only when a new site collection is deleted from the time of the last run.
Verified on the following platforms
| Windows 10 | No |
| Windows Server 2012 | Yes |
| Windows Server 2012 R2 | No |
| Windows Server 2008 R2 | No |
| Windows Server 2008 | No |
| Windows Server 2003 | No |
| Windows Server 2016 | No |
| Windows 8 | No |
| Windows 7 | No |
| Windows Vista | No |
| Windows XP | No |
| Windows 2000 | No |
This script is tested on these platforms by the author. It is likely to work on other platforms as well. If you try it and find that it works on another platform, please add a note to the script discussion to let others know.
Disclaimer
The sample scripts are not supported under any Microsoft standard support program or service. The sample scripts are provided AS IS without warranty of any kind. Microsoft further disclaims all implied warranties including, without limitation, any implied warranties of merchantability or of fitness for a particular purpose. The entire risk arising out of the use or performance of the sample scripts and documentation remains with you. In no event shall Microsoft, its authors, or anyone else involved in the creation, production, or delivery of the scripts be liable for any damages whatsoever (including, without limitation, damages for loss of business profits, business interruption, loss of business information, or other pecuniary loss) arising out of the use of or inability to use the sample scripts or documentation, even if Microsoft has been advised of the possibility of such damages.