On 04.03.2021, at 19:38 Italian time (18:38 UTC), a magnitude ML5.9earthquake was recorded in Greece, with inland epicenter, at geographical coordinates (lat, lon) 39.77, 22.1 and a hypocentral depth of about 11 km.
The hypocentral localization and the earthquake magnitude, at the basis of the decision system of the matrix, triggered the Tsunami Alert Center service that within 8 minutes from the earthquake (11:24 Italian time), issued an INFORMATION message to the Civil Protection Department and the Mediterranean countries.
✉️ If you clickthe wave ? you can read the information message. In this case, since it is an INFORMATION message, there is only one message.