The figure shows the Isocrones ( theoretical lines that connect all the points reached by the tsunami wave in a given time interval from the origin and measured on the forecast points represented by the triangles that according to the color evoke the alert level
An Mwp 6.4 magnitude earthquake was located at 14:28:39 Italian time on June 12, 2017, in the Greece Sea about 10 km deep.
✉️ First Advisory alert message (English).
✉️ Second message; revocation of Advisory alert (English).
In this specific case two alert messages have been sent (although it is an orange alert) because the magnitude and the epicenter proximity from the coast have determined the sending of an Advisory message (see decision matrix) but, due to the lack of anomalies signals from the mareographs we proceeded to revoke the alert.