Listed in order of greatest number of deaths

Date	Location	Deaths	Magnitude	Comments
January 23, 1556	China, Shansi	830,000	~8
July 27, 1976	China, Tangshan	255,000 (official)	7.5	Estimated death toll as high as 655,000.
August 9, 1138	Syria, Aleppo	230,000
May 22, 1927	China, near Xining	200,000	7.9	Large fractures.
December 22, 856+	Iran, Damghan	200,000
December 16, 1920	China, Gansu	200,000	8.6	Major fractures, landslides.
March 23, 893+	Iran, Ardabil	150,000
September 1, 1923	Japan, Kanto (Kwanto)	143,000	7.9	Great Tokyo fire.
December 26, 2004	Sumatra	135,236	9.0	Deaths from earthquake and tsunami.
October 5, 1948	USSR (Turkmenistan, Ashgabat)	110,000	7.3
December 28, 1908	Italy, Messina	70,000 to 100,000 (estimated)	7.2	Deaths from earthquake and tsunami.
September, 1290	China, Chihli	100,000
November, 1667	Caucasia, Shemakha	80,000
November 18, 1727	Iran, Tabriz	77,000
November 1, 1755	Portugal, Lisbon	70,000	8.7	Great tsunami.
December 25, 1932	China, Gansu	70,000	7.6
May 31, 1970	Peru	66,000	7.9	$530,000 damage, great rock slide, floods.
1268	Asia Minor, Silicia	60,000
January 11, 1693	Italy, Sicily	60,000
May 30, 1935	Pakistan, Quetta	30,000 to 60,000	7.5	Quetta almost completely destroyed.
February 4, 1783	Italy, Calabria	50,000
June 20, 1990	Iran	50,000	7.7	Landslides.

+ Note that these dates are prior to 1000 AD. No digit is missing.

NOTE: Some sources list an earthquake that killed 300,00 people in Calcutta, India, on October 11, 1737.
Recent studies indicate that these casualties were most likely due to a cyclone, not an earthquake.
(Source: The 1737 Calcutta Earthquake and Cyclone Evaluated by Roger Bilham, BSSA, Vol. 84, No. 5, 1650-1657, October 1994)

Data compiled from several sources.