404. That’s an error.

The requested URL /bookmarks/mark?op=add&title=Did+You+Feel+It%3F+%26mdash%3B+Unknown+Event&annotation=&nui=1&service=bookmarks&bkmk=http%3A%2F%2Fearthquake.usgs.gov%2Fearthquakes%2Feventpage%2Fdyfi%2F%3Fnetwork%3Dak%26code%3D11206715%26dyficode%3D was not found on this server. That’s all we know.