This is a list of earthquakes in 1993. Only earthquakes of magnitude 6 or above are included, unless they result in damage or casualties, or are notable for some other reason. All dates are listed according to UTC time.

By death toll RankDeath tollMagnitudeLocationMMIDepth (km)Date19,7486.3 India, Maharashtra 10.022307.7 Japan, Sea of Japan 16.73606.9 Papua New Guinea, Morobe 25.3

By magnitude Rank Magnitude Death toll Location MMI Depth (km) Date17.80 Guam offshore 59.027.7230 Japan, Hokkaido offshore 16.737.62 Japan, Hokkaido 102.247.50, Kamchatka offshore 70.657.21, Chiapas offshore 34.167.10, Temotu offshore 20.477.00, Mindanao offshore 58.777.00, Jujuy 221.077.00, Badakhshan 214.577.00, Fiordland 28.177.00, Kamchatka offshore 34.077.00, Tafea 33.0

By month

January

+DateCountry and locationMwDepth (km)MMINotesCasualtiesDeadInjured5, Västerbotten4.233.0V Slight damage was caused in the central part of the county. - -6, Fars5.423.6VI Severe damage occurred in Firuzabad and Dadenjan. - -8, Free State2.75.0 - Six people were killed and seven others were injured in a mine near Welkom. 6 79, Al Jawf4.510.0 V Some damage occurred in Sadah. - -13, Saint Thomas5.516.0 VII One person died and damage occurred in Kingston. 1 -15, Hokkaido6.1112.3 V It is a foreshock of the 7.6 quake a few seconds later. - -15, Hokkaido7.6102.2 IX 1993 Kushiro earthquake: 2 people were killed, 966 were injured and extensive damage was caused. 2 96616, California4.97.2 VI Minor damage occurred in Gilroy. - -18 offshore6.4151.1 IV - - -19 Sea of Japan6.6448.3 I - - -20, Aceh6.267.8 VI - - -23, Ilam4.733.0 IV Minor damage occurred to houses in Abdanan and Dehloran. - -26, Yunnan5.633.0 V At least 66 people were injured, 6,972 houses collapsed and 21,444 others were damaged in southwestern Yunnan Province. - 6627, South Khorasan5.133.0 IV Three people were injured and 200 houses were severely damaged in Nehbandan. - 331, Yunnan4.933.0 IV Two people were killed and slight damage to houses occurred in Dayao County. 2 -

February

+DateCountry and locationMwDepth (km)MMINotesCasualtiesDeadInjured2, Xinjiang5.733.1VI Some damage occurred in Hejing County. - -7, Ishikawa6.610.6VI 16 people were injured and some damage occurred in Ishikawa, Toyama, and Niigata prefectures. Landslides occurred in Suzu. - 1613, Oromia5.312.4V Several people were injured and damage occurred in Nazret. - Several13 Wallis and Futuna offshore6.233.0I - - -18Central Mid-Atlantic Ridge6.310.0I - - -

March

+DateCountry and locationMwDepth (km)MMINotesCasualtiesDeadInjured1, Papua6.288.8V - - -5, Peloponnese offshore5.238.8IVMinor damage occurred in Kalamata, Messini, and Methoni. - -6, Santa Cruz Islands offshore7.120.4III - - -6 offshore, south of the Fiji Islands6.618.2I - - -7 South Georgia and the South Sandwich Islands offshore6.333.0I This is a foreshock of the 6.5 quake five hours later. - -7 South Georgia and the South Sandwich Islands offshore6.533.0I – - -12 Futuna offshore6.49.6VIIFive people were killed, 20 were seriously injured, and damage occurred in Futuna. 5 2015, Atacama offshore6.728.9VISome damage occurred in Chañaral, Copiapó and Taltal. - -20 South Georgia and the South Sandwich Islands offshore6.3115.9I - - -20, Tibet6.212.2VII At least two people were killed, three others were seriously injured and damage was reported in Ngamring County. 2 321, Eastern offshore6.3588.9I - - -25, Hokkaido offshore6.033.9V - - -25, Oregon5.619.6VII 1993 Scotts Mills earthquake: Six people were injured and many structures were damaged throughout the state, especially in Portland. It was the largest earthquake to hit the area since 1981. - 626, West Greece5.410.0VII Two people were injured and damage in Pirgos and Amalias. - 226, Kohgiluyeh and Buyer Ahmad5.129.6IV Considerable damage was caused. - -29, Fars5.226.6VI Some damage occurred in Khonj. - -31, Nebraska2.95.0V Minor damage at Peru State College in Peru, Nebraska. - -

April

+DateCountry and locationMwDepth (km)MMINotesCasualtiesDeadInjured5 offshore6.333.0I - - -8, Ardabil4.710.0V Several people were injured in Sarab and Ardabil. - Several9, Texas4.15.0V Slight damage occurred in Campbellton and Fashing. - -16, Eastern offshore6.9565.1I - - -18, Lima6.3106.3VI Six people were killed (three of them due to landslides), and 30 houses were destroyed in Lima. 6 -18Pacific-Antarctic Ridge6.310.0I - - -19, Jutiapa4.433.0IV 50 houses were slightly damaged in Santa Rosa Department. - -19, Halmahera offshore6.823.6I - - -24, Eastern offshore6.3599.3I - - -25, Arizona5.010.0V Some minor damage at Tusayan, Valle and Pipe Spring National Monument. It is a foreshock of the 5.3 quake four days later. - -29, Arizona5.310.0V Additional damage occurred to buildings previously damaged by the 5.0 quake in the Pipe Spring National Monument and some damage occurred in Big Water, Utah and Flagstaff. Power outages occurred in Grand Canyon Village, Tusayan and Valle. - -

May

+DateCountry and locationMwDepth (km)MMINotesCasualtiesDeadInjured2 South Georgia and the South Sandwich Islands offshore6.412.9I - - -6, Acre6.1572.8I - - -9, Razavi Khorasan4.910.0VI Several houses were damaged at Torbat-e Heydarieh. - -10, Pennsylvania2.85.0IV One person was injured in Reading after he lost his balance during the quake and fell off his bicycle. This is believed to be one of the smallest earthquakes in the United States for which confirmed casualty reports have been received. - 111, Mindanao7.058.7VI - - -13, Alaska offshore6.932.3VI Items were knocked off shelves in Sand Point and King Cove. - -14, North West3.85.0 - The earthquake may have been a mine explosion which killed seven people. 7 -15, Guerrero6.019.7VI This earthquake, together with the 6.1 event three minutes later, can be considered a doublet earthquake. - -15, Guerrero6.120.8VI Some damage occurred in Mexico City. - -15, Alaska offshore, Andreanof Islands6.932.0V - - -16 offshore6.621.3I - - -17, East New Britain6.417.3VI - - -17, California6.19.6V Minor damage occurred in Independence and Lone Pine. A large rockslide occurred about 7 kilometers east of Eureka Valley Sand Dunes. - -18, Batan Islands offshore6.8168.6IV - - -24, Jujuy6.2221.0V It is a foreshock of the 7.0 quake eight seconds later. - -24, Jujuy7.0221.0V - - -25, Alaska offshore6.236.8VI Slight damage occurred in Sand Point. - -28, California5.220.6VI Slight damage occurred in Pumpkin Center. - -29, São Vicente offshore6.412.0I - - -30, Halmahera offshore6.180.9V - - -

June

+DateCountry and locationMwDepth (km)MMINotesCasualtiesDeadInjured1, Varaždin4.930.1VII Some damage occurred in Ludbreg. - -3, Sanma offshore6.1151.8IV - - -5, Minnesota4.110.0VI Slight damage occurred in Wheaton. - -6 offshore6.513.5I - - -8, Hawaii4.88.8VI Slight damage occurred in Naalehu. - -8, Kamchatka offshore7.570.6VII Damage was observed in Severo-Kurilsk. A tsunami was observed with maximum wave heights of 12 cm at Hilo, Hawaii. - -8, San Juan6.3112.7VI - - -12, Kamchatka6.344.2V It is an aftershock of the 7.5 quake four days prior. - -15, Madang6.2227.2IV - - -18, Kermadec Islands offshore6.615.6IThis two similar-sized earthquakes occurring six hours apart can be considered a doublet earthquake. - -18, Kermadec Islands offshore6.710.7I - -18, Kermadec Islands offshore6.028.9IIt is an aftershock of the 6.6 and 6.7 quakes a few hours prior. - -22, Fars5.433.0V Several people were injured and at least 70 homes were destroyed in Bovir Ahmadi va Kohkiluyeh Province. Landslides blocked roads in the epicentral area. - Several29, Macquarie Island offshore6.410.0I – - -30 region offshore6.712.6I – - -

July

+DateCountry and locationMwDepth (km)MMINotesCasualtiesDeadInjured6, Easter Island offshore6.410.0I - - -8 region offshore6.033.0I - - -9 offshore6.0398.2I - - -10, Cartago5.819.5VI One person was killed, another died of a heart attack and at least nine people were injured in the Turrialba area. Houses were damaged in Cartago and Turrialba and landslides occurred in the epicentral area. 2 911, Antofagasta6.647.5VI Slight damage occurred in Taltal. Landslides occurred in the epicentral area. - -12, Hokkaido offshore7.716.7VIII The 1993 Okushiri earthquake caused major damage in the island of Hokkaido and the neighboring small island of Okushiri mostly due to a destructive tsunami with a maximum height of 32 meters that hit both islands a few minutes after the quake. 230 people were killed. The tsunami also affected southeastern Russia and South Korea. 230 -12, Hokkaido offshore6.028.5VThose were aftershocks of the 7.7 quake a few hours prior. - -12, Hokkaido offshore6.333.0I - -14, West Greece5.622.6VII At least five people were injured and 200 buildings were damaged at Patras. - 522, Arauca6.120.3VIII Two people were killed, some were injured and many houses were destroyed at Puerto Rondon, Puerto Colombia. 2 Some28, Bougainville offshore6.225.9IV - - -

August

+DateCountry and locationMwDepth (km)MMINotesCasualtiesDeadInjured1, North Kordofan5.512.5VII Three people were killed, 10-20 others were injured, and damage occurred in Khartoum. 3 10–203, Sinai Peninsula6.110.0VII Some damage occurred in neighboring Saudi Arabia. - -4, West Sumatra offshore6.531.6VI - - -7, Okinawa offshore6.4155.0II - - -7, Hokkaido offshore6.713.9VI Aftershock of the magnitude 7.7 earthquake in July. - -8 offshore7.859.3IX Largest event of 1993. The 1993 Guam earthquake caused $250 million worth of damage as well as 71 injuries. - 718 offshore, south of the Fiji Islands6.7523.1I - - -9, Badakhshan6.4204.2IV It is a foreshock of the 7.0 quake an hour later. - -9, Badakhshan7.0214.5IV - - -10, Fiordland7.028.1VI Power outages occurred in Te Anau. - -10, Gisborne6.414.4VII Some damage occurred in Gisborne. - -11 offshore6.221.6I Aftershock of August 8 event. - -13, Bay of Plenty offshore6.395.2I - - -16 offshore6.018.3V Aftershock of August 8 event. - -20, Hela6.214.6VII Five people were injured and damage occurred in Tari. - 525, Aysén offshore6.210.0I - - -31, Caspian Sea offshore5.384.6V Some damage occurred in Derbent. - -

September

+DateCountry and locationMwDepth (km)MMINotesCasualtiesDeadInjured1, Simeulue offshore6.334.0V - - -3, Chiapas offshore6.826.5VI This is a foreshock of the 7.2 quake one week later. - -4, Badakhshan6.0194.5IV - - -4, Flores offshore6.232.5I - - -6, New Ireland offshore6.649.0VI - - -7, Kermadec Islands offshore6.510.0I - - -10, Chiapas offshore6.063.3IV It is a foreshock of the 7.2 quake an hour later. - -10, Chiapas offshore7.234.1VII Some damage occurred in Chiapas. In neighboring Guatemala, one person was killed, three were injured, landslides, and considerable damage was caused. 1 312, Santa Rosa offshore6.068.2V Two old houses were destroyed in Mejicanos, in neighboring El Salvador. - -15, Kermadec Islands offshore6.319.7IV - - -18, Badakhshan6.3112.6V - - -19, Chiapas offshore6.418.0IV - -20Central Mid-Atlantic Ridge6.310.0I - - -21, Oregon5.98.6VII1993 Klamath Falls earthquakes: These two earthquakes caused structural damage and rockslides in the epicentral area, most especially in Klamath Falls for which the event is named. Two people were killed, one due to rockslides at U.S. Route 97, and another from a heart attack.2-21, Oregon6.08.5VII23, Bougainville offshore6.127.5V - - -26, Yap offshore6.310.0I - - -27 offshore, south Atlantic Ocean6.633.0I - - -29, Gorontalo6.496.6VI - - -29, Maharashtra6.210.0VIII Deadliest earthquake of 1993. The 1993 Latur earthquake caused extreme destruction in the Latur-Osmanabad areas. 52 villages were destroyed. 9,748 people perished and 30,000 were injured. 1 million people were displaced. 9,748 30,00030, Oaxaca offshore6.519.2IV - - -

October