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.
Earthquakes in 1993 Approximate epicenters of the earthquakes in 1993
Strongest magnitude 7.8 Guam Deadliest 6.3 India Total fatalities 10,097 9.0+ 0
By death toll By magnitude Rank Magnitude Death toll Location MMI Depth (km) Date 1 7.8 0 Guam offshoreIX (Violent ) 59.0 August 8 2 7.7 230 Japan , Hokkaido offshoreVIII (Severe ) 16.7 July 12 3 7.6 2 Japan , Hokkaido IX (Violent ) 102.2 January 15 4 7.5 0 Russia , Kamchatka offshoreVII (Very strong ) 70.6 June 8 5 7.2 1 Mexico , Chiapas offshoreVII (Very strong ) 34.1 September 10 6 7.1 0 Solomon Islands , Temotu offshoreIII (Weak ) 20.4 March 6 7 7.0 0 Philippines , Mindanao offshoreVI (Strong ) 58.7 May 11 7 7.0 0 Argentina , Jujuy V (Moderate ) 221.0 May 24 7 7.0 0 Afghanistan , Badakhshan IV (Light ) 214.5 August 9 7 7.0 0 New Zealand , Fiordland VI (Strong ) 28.1 August 10 7 7.0 0 Russia , Kamchatka offshoreVI (Strong ) 34.0 November 13 7 7.0 0 Vanuatu , Tafea VII (Very strong ) 33.0 December 29
By month January January Strongest magnitude 7.6 Mw Japan Deadliest 2.7 Mw South Africa Total fatalities 11 8.0–8.9 0 7.0–7.9 1 6.0–6.9 8
Date Country and location Mw Depth (km) MMI Notes Casualties Dead Injured 5[1] Sweden , Västerbotten 4.2 33.0 V Slight damage was caused in the central part of the county. - - 6[2] Iran , Fars 5.4 23.6 VI Severe damage occurred in Firuzabad and Dadenjan . - - 8[3] South Africa , Free State 2.7 5.0 - Six people were killed and seven others were injured in a mine near Welkom . 6 7 9[4] Yemen , Al Jawf 4.5 10.0 V Some damage occurred in Sadah . - - 13[5] Jamaica , Saint Thomas 5.5 16.0 VII One person died and damage occurred in Kingston . 1 - 15[6] Japan , Hokkaido 6.1 112.3 V It is a foreshock of the 7.6 quake a few seconds later. - - 15[7] Japan , Hokkaido 7.6 102.2 IX 1993 Kushiro earthquake 2 966 16[8] United States , California 4.9 7.2 VI Minor damage occurred in Gilroy . - - 18[9] Northern Mariana Islands offshore6.4 151.1 IV - - - 19[10] Sea of Japan 6.6 448.3 I - - - 20[11] Indonesia , Aceh 6.2 67.8 VI - - - 23[12] Iran , Ilam 4.7 33.0 IV Minor damage occurred to houses in Abdanan and Dehloran . - - 26[13] China , Yunnan 5.6 33.0 V At least 66 people were injured, 6,972 houses collapsed and 21,444 others were damaged in southwestern Yunnan Province. - 66 27[14] Iran , South Khorasan 5.1 33.0 IV Three people were injured and 200 houses were severely damaged in Nehbandan . - 3 31[15] China , Yunnan 4.9 33.0 IV Two people were killed and slight damage to houses occurred in Dayao County . 2 -
February February Strongest magnitude 6.6 Mw Japan Total fatalities 0 8.0–8.9 0 7.0–7.9 0 6.0–6.9 3
March
Date Country and location Mw Depth (km) MMI Notes Casualties Dead Injured 1[21] Indonesia , Papua 6.2 88.8 V - - - 5[22] Greece , Peloponnese offshore5.2 38.8 IV Minor damage occurred in Kalamata , Messini , and Methoni . - - 6[23] Solomon Islands , Santa Cruz Islands offshore7.1 20.4 III - - - 6[24] Tonga offshore, south of the Fiji Islands 6.6 18.2 I - - - 7[25] South Georgia and the South Sandwich Islands offshore6.3 33.0 I This is a foreshock of the 6.5 quake five hours later. - - 7[26] South Georgia and the South Sandwich Islands offshore6.5 33.0 I - - - 12[27] Futuna offshore6.4 9.6 VII Five people were killed, 20 were seriously injured, and damage occurred in Futuna. 5 20 15[28] Chile , Atacama offshore6.7 28.9 VI Some damage occurred in Chañaral , Copiapó and Taltal . - - 20[29] South Georgia and the South Sandwich Islands offshore6.3 115.9 I - - - 20[30] China , Tibet 6.2 12.2 VII At least two people were killed, three others were seriously injured and damage was reported in Ngamring County . 2 3 21[31] Fiji , Eastern offshore6.3 588.9 I - - - 25[32] Japan , Hokkaido offshore6.0 33.9 V - - - 25[33] United States , Oregon 5.6 19.6 VII 1993 Scotts Mills earthquake Portland . It was the largest earthquake to hit the area since 1981.- 6 26[34] Greece , West Greece 5.4 10.0 VII Two people were injured and damage in Pirgos and Amalias . - 2 26[35] Iran , Kohgiluyeh and Buyer Ahmad 5.1 29.6 IV Considerable damage was caused. - - 29[36] Iran , Fars 5.2 26.6 VI Some damage occurred in Khonj . - - 31[37] United States , Nebraska 2.9 5.0 V Minor damage at Peru State College in Peru, Nebraska . - -
April April Strongest magnitude 6.9 Mw Fiji Deadliest 6.3 Mw Peru Total fatalities 6 8.0–8.9 0 7.0–7.9 0 6.0–6.9 9
Date Country and location Mw Depth (km) MMI Notes Casualties Dead Injured 5[38] South Georgia and the South Sandwich Islands offshore6.3 33.0 I - - - 8[39] Iran , Ardabil 4.7 10.0 V Several people were injured in Sarab and Ardabil . - Several 9[40] United States , Texas 4.1 5.0 V Slight damage occurred in Campbellton and Fashing . - - 16[41] Fiji , Eastern offshore6.9 565.1 I - - - 18[42] Peru , Lima 6.3 106.3 VI Six people were killed (three of them due to landslides), and 30 houses were destroyed in Lima . 6 - 18[43] Pacific-Antarctic Ridge 6.3 10.0 I - - - 19[44] Guatemala , Jutiapa 4.4 33.0 IV 50 houses were slightly damaged in Santa Rosa Department . - - 19[45] Indonesia , Halmahera offshore6.8 23.6 I - - - 24[46] Fiji , Eastern offshore6.3 599.3 I - - - 25[47] United States , Arizona 5.0 10.0 V Some minor damage at Tusayan , Valle and Pipe Spring National Monument . It is a foreshock of the 5.3 quake four days later. - - 29[48] United States , Arizona 5.3 10.0 V 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
Date Country and location Mw Depth (km) MMI Notes Casualties Dead Injured 2[49] South Georgia and the South Sandwich Islands offshore6.4 12.9 I - - - 6[50] Brazil , Acre 6.1 572.8 I - - - 9[51] Iran , Razavi Khorasan 4.9 10.0 VI Several houses were damaged at Torbat-e Heydarieh . - - 10[52] United States , Pennsylvania 2.8 5.0 IV 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. - 1 11[53] Philippines , Mindanao 7.0 58.7 VI - - - 13[54] United States , Alaska offshore6.9 32.3 VI Items were knocked off shelves in Sand Point and King Cove . - - 14[55] South Africa , North West 3.8 5.0 - The earthquake may have been a mine explosion which killed seven people.[56] 7 - 15[57] Mexico , Guerrero 6.0 19.7 VI This earthquake, together with the 6.1 event three minutes later, can be considered a doublet earthquake . - - 15[58] Mexico , Guerrero 6.1 20.8 VI Some damage occurred in Mexico City . - - 15[59] United States , Alaska offshore, Andreanof Islands 6.9 32.0 V - - - 16[60] Tonga offshore6.6 21.3 I - - - 17[61] Papua New Guinea , East New Britain 6.4 17.3 VI - - - 17[62] United States , California 6.1 9.6 V Minor damage occurred in Independence and Lone Pine . A large rockslide occurred about 7 kilometers east of Eureka Valley Sand Dunes . - - 18[63] Philippines , Batan Islands offshore6.8 168.6 IV - - - 24[64] Argentina , Jujuy 6.2 221.0 V It is a foreshock of the 7.0 quake eight seconds later. - - 24[65] Argentina , Jujuy 7.0 221.0 V - - - 25[66] United States , Alaska offshore6.2 36.8 VI Slight damage occurred in Sand Point . - - 28[67] United States , California 5.2 20.6 VI Slight damage occurred in Pumpkin Center . - - 29[68] Cabo Verde , São Vicente offshore6.4 12.0 I - - - 30[69] Indonesia , Halmahera offshore6.1 80.9 V - - -
June June Strongest magnitude 7.5 Mw Russia Total fatalities 0 8.0–8.9 0 7.0–7.9 1 6.0–6.9 13
Date Country and location Mw Depth (km) MMI Notes Casualties Dead Injured 1[70] Croatia , Varaždin 4.9 30.1 VII Some damage occurred in Ludbreg . - - 3[71] Vanuatu , Sanma offshore6.1 151.8 IV - - - 5[72] United States , Minnesota 4.1 10.0 VI Slight damage occurred in Wheaton . - - 6[73] Northern Mariana Islands offshore6.5 13.5 I - - - 8[74] United States , Hawaii 4.8 8.8 VI Slight damage occurred in Naalehu . - - 8[75] Russia , Kamchatka offshore7.5 70.6 VII Damage was observed in Severo-Kurilsk . A tsunami was observed with maximum wave heights of 12 cm at Hilo, Hawaii . - - 8[76] Argentina , San Juan 6.3 112.7 VI - - - 12[77] Russia , Kamchatka 6.3 44.2 V It is an aftershock of the 7.5 quake four days prior. - - 15[78] Papua New Guinea , Madang 6.2 227.2 IV - - - 18[79] New Zealand , Kermadec Islands offshore6.6 15.6 I This two similar-sized earthquakes occurring six hours apart can be considered a doublet earthquake . - - 18[80] New Zealand , Kermadec Islands offshore6.7 10.7 I - - 18[81] New Zealand , Kermadec Islands offshore6.0 28.9 I It is an aftershock of the 6.6 and 6.7 quakes a few hours prior. - - 22[82] Iran , Fars 5.4 33.0 V Several people were injured and at least 70 homes were destroyed in Bovir Ahmadi va Kohkiluyeh Province . Landslides blocked roads in the epicentral area. - Several 29[83] Australia , Macquarie Island offshore6.4 10.0 I - - - 30[84] Vanuatu region offshore6.7 12.6 I - - -
July July Strongest magnitude 7.7 Mw Japan Deadliest 7.7 Mw Japan Total fatalities 234 8.0–8.9 0 7.0–7.9 1 6.0–6.9 10
Date Country and location Mw Depth (km) MMI Notes Casualties Dead Injured 6[85] Chile , Easter Island offshore6.4 10.0 I - - - 8[86] Vanuatu region offshore6.0 33.0 I - - - 9[87] Tonga offshore6.0 398.2 I - - - 10[88] Costa Rica , Cartago 5.8 19.5 VI 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 9 11[89] Chile , Antofagasta 6.6 47.5 VI Slight damage occurred in Taltal . Landslides occurred in the epicentral area. - - 12[90] Japan , Hokkaido offshore7.7 16.7 VIII The 1993 Okushiri earthquake 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[91] Japan , Hokkaido offshore6.0 28.5 V Those were aftershocks of the 7.7 quake a few hours prior. - - 12[92] Japan , Hokkaido offshore6.3 33.0 I - - 14[93] Greece , West Greece 5.6 22.6 VII At least five people were injured and 200 buildings were damaged at Patras . - 5 22[94] Colombia , Arauca 6.1 20.3 VIII Two people were killed, some were injured and many houses were destroyed at Puerto Rondon , Puerto Colombia . 2 Some 28[95] Papua New Guinea , Bougainville offshore6.2 25.9 IV - - -
August August Strongest magnitude 7.8 Mw Guam Deadliest 5.5 Mw Sudan Total fatalities 3 8.0–8.9 0 7.0–7.9 3 6.0–6.9 17
Date Country and location Mw Depth (km) MMI Notes Casualties Dead Injured 1[96] Sudan , North Kordofan 5.5 12.5 VII Three people were killed, 10-20 others were injured, and damage occurred in Khartoum .[97] 3 10-20 3[98] Egypt , Sinai Peninsula 6.1 10.0 VII Some damage occurred in neighboring Saudi Arabia . - - 4[99] Indonesia , West Sumatra offshore6.5 31.6 VI - - - 7[100] Japan , Okinawa offshore6.4 155.0 II - - - 7[101] Japan , Hokkaido offshore6.7 13.9 VI Aftershock of the magnitude 7.7 earthquake in July. - - 8[102] Guam offshore7.8 59.3 IX Largest event of 1993. The 1993 Guam earthquake - 71 8[103] Tonga offshore, south of the Fiji Islands 6.7 523.1 I - - - 9[104] Afghanistan , Badakhshan 6.4 204.2 IV It is a foreshock of the 7.0 quake an hour later. - - 9[105] Afghanistan , Badakhshan 7.0 214.5 IV - - - 10[106] New Zealand , Fiordland 7.0 28.1 VI Power outages occurred in Te Anau . - - 10[107] New Zealand , Gisborne 6.4 14.4 VII Some damage occurred in Gisborne . - - 11[108] Guam offshore6.2 21.6 I Aftershock of August 8 event. - - 13[109] New Zealand , Bay of Plenty offshore6.3 95.2 I - - - 16[110] Guam offshore6.0 18.3 V Aftershock of August 8 event. - - 20[111] Papua New Guinea , Hela 6.2 14.6 VII Five people were injured and damage occurred in Tari . - 5 25[112] Chile , Aysén offshore6.2 10.0 I - - - 31[113] Azerbaijan , Caspian Sea offshore5.3 84.6 V Some damage occurred in Derbent . - -
September September Strongest magnitude 7.2 Mw Mexico Deadliest 6.2 Mw India Total fatalities 9,751 8.0–8.9 0 7.0–7.9 1 6.0–6.9 20
Date Country and location Mw Depth (km) MMI Notes Casualties Dead Injured 1[114] Indonesia , Simeulue offshore6.3 34.0 V - - - 3[115] Mexico , Chiapas offshore6.8 26.5 VI This is a foreshock of the 7.2 quake one week later. - - 4[116] Afghanistan , Badakhshan 6.0 194.5 IV - - - 4[117] Indonesia , Flores offshore6.2 32.5 I - - - 6[118] Papua New Guinea , New Ireland offshore6.6 49.0 VI - - - 7[119] New Zealand , Kermadec Islands offshore6.5 10.0 I - - - 10[120] Mexico , Chiapas offshore6.0 63.3 IV It is a foreshock of the 7.2 quake an hour later. - - 10[121] Mexico , Chiapas offshore7.2 34.1 VII Some damage occurred in Chiapas. In neighboring Guatemala , one person was killed, three were injured, landslides, and considerable damage was caused. 1 3 12[122] Guatemala , Santa Rosa offshore6.0 68.2 V Two old houses were destroyed in Mejicanos , in neighboring El Salvador . - - 15[123] New Zealand , Kermadec Islands offshore6.3 19.7 IV - - - 18[124] Afghanistan , Badakhshan 6.3 112.6 V - - - 19[125] Mexico , Chiapas offshore6.4 18.0 IV - - 20[126] Central Mid-Atlantic Ridge 6.3 10.0 I - - - 21[127] United States , Oregon 5.9 8.6 VII 1993 Klamath Falls earthquakes 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[128] United States , Oregon 6.0 8.5 VII 23[129] Papua New Guinea , Bougainville offshore6.1 27.5 V - - - 26[130] Micronesia , Yap offshore6.3 10.0 I - - - 27[131] Falkland Islands offshore, south Atlantic Ocean 6.6 33.0 I - - - 29[132] Indonesia , Gorontalo 6.4 96.6 VI - - - 29[133] India , Maharashtra 6.2 10.0 VIII Deadliest earthquake of 1993. The 1993 Latur earthquake Latur -Osmanabad areas. 52 villages were destroyed. 9,748 people perished and 30,000 were injured. 1 million people were displaced.9,748 30,000 30[134] Mexico , Oaxaca offshore6.5 19.2 IV - - -
October
Date Country and location Mw Depth (km) MMI Notes Casualties Dead Injured 2[135] China , Xinjiang 6.1 14.1 I - - - 5[136] Indonesia , Banda Sea offshore6.6 13.1 I - - - 10[137] Peru , Ica 5.1 48.8 V Minor damage occurred in Ica . - - 10[138] Japan , Wakayama offshore6.9 350.7 IV One person died of a heart attack and four others were injured in Tokyo . 1 4 12[139] Colombia , Chocó offshore5.2 102.6 IV Some houses were damaged in southwestern Chocó department. - - 13[140] Papua New Guinea , Madang 6.9 25.3 IX 1993 Finisterre earthquakes Ramu -Markham Valley that affected the area over the month of October. 60 people were killed and 200 were injured, mostly due to landslides triggered by the shocks. Many villages near the epicenter were severely damaged.60 200 13[141] Papua New Guinea , Madang 6.5 33.0 VI Both earthquakes were part of the 1993 Finisterre earthquakes sequence. - - 13[142] Papua New Guinea , Madang 6.0 33.0 VI - - 16[143] Papua New Guinea , Madang 6.3 33.0 VI This was another part of the 1993 Finisterre earthquakes sequence. Additional damage was caused, and three people were killed. 3 - 20[144] Nepal , Mid-Western 5.1 37.4 IV At least 55 people were injured and 46 houses were severely damaged. - 55 24[145] Mexico , Guerrero 6.7 20.7 VII - - - 25[146] Papua New Guinea , Madang 6.7 30.4 VII Part of the 1993 Finisterre earthquakes sequence. - - 25[147] Papua New Guinea , Madang 6.1 26.5 VI - -
November November Strongest magnitude 7.0 Mw Russia Deadliest 5.9 Mw Nicaragua Total fatalities 1 8.0–8.9 0 7.0–7.9 1 6.0–6.9 8
Date Country and location Mw Depth (km) MMI Notes Casualties Dead Injured 5[148] Papua New Guinea , Bismarck Sea offshore6.2 14.4 I - - - 11[149] Papua New Guinea , New Britain offshore6.0 45.8 V - - - 12[150] India , Maharashtra 4.6 10.0 VI 25 people were injured and 100 houses were damaged in Latur . It is an aftershock of the 1993 Latur earthquake . - 25 12[151] Lebanon , Mount Lebanon 4.2 10.0 IV Slight damage occurred in Lebanon. - - 13[152] Mexico , Guerrero offshore6.0 19.6 VI - - - 13[153] Russia , Kamchatka offshore7.0 34.0 VI - - - 16[154] Pakistan , Balochistan 5.6 26.5 VI 100 houses were destroyed in Pishin . - - 17[155] Russia , Kamchatka offshore6.0 33.2 V Aftershock of the 7.0 quake four days prior. - - 18[156] United States , Alaska offshore6.5 30.3 VI Slight damage occurred at False Pass where items were overturned and a television was knocked onto the floor. - - 22[157] Nicaragua , Carazo 5.9 108.1 V One person died of a heart attack. 1 - 26[158] Solomon Islands , Western offshore6.2 17.1 I - - - 30[159] China , Xinjiang 5.6 18.2 VI Four people were injured and 100 houses were destroyed in Shufu . - 4
December December Strongest magnitude 7.0 Mw Vanuatu Total fatalities 0 8.0–8.9 0 7.0–7.9 1 6.0–6.9 7
Date Country and location Mw Depth (km) MMI Notes Casualties Dead Injured 1[160] France , Mayotte offshore5.2 10.0 VIII[161] Numerous buildings were damaged throughout Mayotte. It is the largest earthquake to hit the Comorian archipelago in almost 60 years.[161] - - 4[162] United States , Oregon 5.1 4.8 VII It is an aftershock of the 1993 Klamath Falls earthquake . This quake caused additional damage in Klamath Falls and slight damage on Tulelake, California . - - 8[163] India , Maharashtra 5.1 25.0 VI Around 500 houses were damaged in western Maharashtra. - - 9[164] Indonesia , Molucca Sea offshore6.9 14.5 IV These two earthquakes of similar size occurring 7 hours apart can be considered a doublet earthquake . - - 9[165] Indonesia , Molucca Sea offshore6.8 15.9 III - - 10[166] Philippines , Batan Islands offshore6.1 12.0 I - - - 15[167] Taiwan , Tainan 5.4 17.0 VI Some damage occurred in Ta-pu. - - 20[168] Indonesia , Maluku 6.3 7.7 VI - - - 23[169] Spain , Andalusia 5.3 27.4 VII Some damage occurred in Adra . - - 29[170] Vanuatu , Tafea 7.0 33.0 VII - - - 29[171] Vanuatu , Tafea 6.5 33.0 VI Aftershock of the 7.0 event a few hours prior. - - 29[172] United States , Alaska 4.6 8.4 VI Slight damage occurred in Salcha . - -
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