GNS – latest on the Samoa quake By Peter Griffin • 30/09/2009 A useful update from GeoNet on the earthquake in the Samoa Islands this morning. The dramatic picture below charts the amplitude of the quake. Source: GNS Science earthquake GNS Science Samoa Leave a Reply Click here to cancel reply. Name (required) Email (will not be published) (required) Website Comment Notify me of followup comments via e-mail. You can also subscribe without commenting.