404. That’s an error.
The requested URL /_/+1/confirm?url=http%3A%2F%2Fearthquake.usgs.gov%2Fearthquakes%2Feventpage%2Fusc000rbw1 was not found on this server. That’s all we know.
/_/+1/confirm?url=http%3A%2F%2Fearthquake.usgs.gov%2Fearthquakes%2Feventpage%2Fusc000rbw1