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
1953 Ionian earthquake were also several large earthquakes on January 26 and February 3, 2014, which were measured 6.1 and 6.0 on the Richter scale. The epicenters of both were in Kefalonia at very shallow depths and caused damage to the island. On October 25, 2018 there was a 6.8 magnitude earthquake off the coast that damaged parts of the Zante port dock. Following that quake, there were more than 50 additional quakes over 4 magnitiude in the Ionian Sea between the 25th and the end of October. 1953 Ionian earthquake The 1953 Ionian earthquake (also known as the Great Kefalonia earthquake) struck