404. That’s an error.

The requested URL /bookmarks/mark?op=add&title=PAGER+-+M+5.1+-+24.3+miles+N+of+Dyer&annotation=&nui=1&service=bookmarks&bkmk=http%3A%2F%2Fearthquake.usgs.gov%2Fearthquakes%2Fpager%2Fevents%2Fnn%2F00402688%2F was not found on this server. That’s all we know.