Option 1: Social Account
You can use an existing account at any of these web sites to sign in. This allows you to log into the FDSN site without a separate password.
- This is used only to verify your email address.
- FDSN does not see your password; it is sent directly to the external web site over a secure channel.
- FDSN cannot post or edit anything in your account; it is granted access only to read basic information like your name and email address.
Option 2: FDSN Account
You can also log in with an email address and password.