July 9, 1980 Earthquake: Magnesia, Aegean Sea, Greece

Date

July 9, 1980

Time

02:11:52 UTC

Place

Magnesia, Aegean Sea, Greece

Magnitude

6.4 (Ms)

Focal depth

14 km (9 mi)

Intensity

9 on the Modified Mercalli scale

Tsunami

None recorded

Epicenter

39.269° N, 23.041° E

Country

Greece

Deaths

1

Injuries

Many (about 101 to 1,000)

Damage

$5 million

Where the literature gives no number, NCEI records a description on a scale of 1 to 4, printed here in its words. Damage is in millions of US dollars of the year of the event, not adjusted for inflation.

• December 856, Korinthos,patrai (Patras), Greece45,000 deaths · 153 km
• July 7, 551, Schisma, Boetia, GreeceM7.1 · 5,000 deaths · 116 km
• June 426 BC, Euboea, GreeceM7.1 · 2,500 deaths · 50 km
• April 20, 1894, Locride, Malesina-Martinon (Lokris), GreeceM6.7 · 255 deaths · 76 km
• September 26, 1932, Hierissos-Strantonion (Chalkidiki), GreeceM6.9 · 161 deaths · 4,106 houses destroyed · 155 km
• September 7, 1999, Athens, GreeceM6 · 143 deaths · $4.2 billion · 53,000 houses destroyed · 137 km
• August 23, 1817, Aeghion, Achaia, GreeceM6.6 · 128 deaths · 132 km
• August 1, 1870, Itea Delphi (Phokis), GreeceM7 · 100 deaths · 97 km
• September 30, 1870, GreeceM7.5 · 100 deaths · 97 km
• June 20, 1978, Thessaloniki, GreeceM6.4 · 50 deaths · $250 million · 164 km
• March 9, 1965, Alonisos, Skopelos, GreeceM6.3 · 38 deaths · $8 million · 84 km
• January 30, 1785, Patrai (Patras), Zakynthos (Zante), Greece38 deaths · 166 km
• April 30, 1954, Sophades (Karditsa), GreeceM6.7 · 31 deaths · $3.2 million · 76 km
• April 27, 1894, St Konstantinos-Arkitsa (Lokris), GreeceM6.9 · 30 deaths · 3,800 houses destroyed · 63 km
• June 15, 1995, Aiyion, Eratini, GreeceM6.5 · 26 deaths · $660 million · 117 km

Significant earthquakes of 1980The 1900sEvery quake the USGS located in 1980Recent earthquakes near hereThis day in weather history

Significant earthquakes from NOAA’s National Centers for Environmental Information, Global Historical Hazard Database, cited as NCEI/WDS, doi:10.7289/V5PN93H7. Public domain. Read 2026-09-24. NCEI earthquake 4882.