Adriatic Sea southeast, the Adriatic Sea connects to the Ionian Sea at the wide Strait of Otranto. The International Hydrographic Organization (IHO) defines the boundary between the Adriatic and the Ionian seas as a line running from the Butrinto River's mouth (latitude 39°44'N) in Albania to the Karagol Cape in Corfu, through this island to the Kephali Cape (these two capes are in latitude 39°45'N), and on to the Santa Maria di Leuca Cape (latitude 39°48'N). It extends from the northwest to the southeast and is wide. It covers and has a volume of . The Adriatic extends northwest from 40° to
2018 Ionian Sea earthquake 2018 Ionian Sea earthquake A strong earthquake measuring magnitude occurred in the Ionian Sea near the coasts of Greece during the night between 25 and 26 October 2018 at 22:54:51 UTC (01:54:51 in Greece). Sea level changes were predicted, and a tsunami advisory was issued. Reports of sea level change of up to 20 centimeters were reported in Greece and Italy. The epicenter was located about 133 km from Patras. The earthquake occurred 14km below the surface. Power outages were reported on the island of Zakynthos, and a 15th century monastery was also damaged on the islands of Strofades. The