You can filter your view by using the View Options tab.
Who can use this feature?
System Administrators | Owners | Publishers
Instructions
Navigate to Modules. Click on Content, and then Alert Center
Select the category you would like to view the options for
Select View Options
Select the options you would like to search by and select Apply
Sort Alerts By
Title: Allows you to filter by title
Expires On: Allows you to filter items by when they expire
Status: Search by status
Starts On: Search by start date
Modified On: Search by edit date
Display Alerts: Will display alerts with the status checked
Display Categories: Will display categories with the status checked
Date Displayed: Allows you to specify the date the alert was displayed
Date Expired: Allows you to specify the date the alert expired