Volcanic Eruptions of the World Magnitude is defined as M = log m - 7, where m is the mass of magma in kg. Eruptions larger than M3.8 and younger than 1 BC are listed here. M Year.MonthDay Volcano 5.4 1991.0812 Hudson (Chile-S) America-S 5.8 1991.0615 Pinatubo, Mt. (Luzon) Philippines 4.3 1990.1114 Unzen Japan 3.8 1990.0210 Kelut (Java) Indonesia 3.8 1986.1118 Chikurachki-Tatatinov Kuriles 3.8 1986.0327 Augustine (Alaska) America-N 4.0 1983.0723 Colo (Sulawesi) Indonesia 4.4 1982.0517 Galunggung (Java) Indonesia 4.8 1982.0403 Chichon, El (Mexico) America-C 4.7 1982.0328 Chichon, El (Mexico) America-C 4.6 1981.0515 Pagan, Mt. (Mariana Is) Pacific-N 4.6 1981.0430 Alaid Kuriles 4.8 1980.0518 St. Helens, Mt. (Washington) America-N 3.9 1977.0807 Toya Usu Japan 4.5 1976.0122 Augustine (Alaska) America-N 5.4 1975.0706 Tolbachik Kamchatka 4.1 1974.1010 Fuego (Guatemala) America-C 4.0 1973.0714 Chachadake Japan 4.1 1973.0714 Tiatia Kuriles 3.8 1968.0611 Fernandina Galapagos 4.0 1966.0812 Awu (Sangihe Is) Indonesia 3.8 1966.0426 Kelut (Java) Indonesia 3.8 1965.0928 Taal (Luzon) Philippines 4.7 1964.1112 Sheveluch Kamchatka 4.8 1963.0317 Agung (Lesser Sunda Is) Indonesia 5.3 1956.0330 Bezymianny Kamchatka 4.6 1955.1013 Aira Sakurajima Japan 4.4 1955.0727 Carran-Los Venados (Chile-C) America-S 4.0 1953.0709 Spurr (Alaska) America-N 4.0 1952.0229 Bagna (Bougainville) PNG 4.0 1951.0121 Lamington (New Guinea) PNG 4.7 1951 Ambrym (Vanuatu) Pacific-S 5.2 1947.0329 Hekla Iceland 4.0 1946.1109 Sarychev Peak Kuriles 4.3 1946.01 Aira Sakurajima Japan 4.3 1945.0225 Avachinsky Kamchatka 4.6 1945.0101 Kliuchevskoi Kamchatka 4.2 1944.0623 Toya Usu Japan 5.4 1943.0220 Michoacan Field (Mexico) America-C 4.3 1939.0818 I. Torishima Japan 4.3 1937.0529 Rabaul (New Britain) PNG 4.0 1933.1224 Kuchinoerabu Japan 4.1 1933.0710 Suoh (Sumatra) Indonesia 5.8 1932.0410 Azul, Cerro (Chile-C) America-S 4.0 1932.0121 Fuego (Guatemala) America-C 4.0 1931.0325 Kliuchevskoi Kamchatka 1930 Unknown 4.5 1929.0617 H. Komagatake Japan 4.0 1924.0215 Raikoke Kuriles 4.0 1919.0811 Manam (New Guinea-NE of) PNG 3.8 1919.0519 Kelut (Java) Indonesia 4.7 1918.1012 Katla Iceland 4.0 1918.0405 Tungurahua (Ecuador) America-S 4.0 1917.0409 Agrigan (Marian Is) Pacific-N 5.6 1914.0112 Aira Sakurajima Japan 4.6 1913.0120 Colima (Mexico) America-C 6.4 1912.0606 Novarupta (Alaska.) America-N 3.8 1912.0223 I. Oshima Japan 4.6 1911.0130 Taal (Luzon) Philippines 5.1 1907.0328 Ksudach Kamchatka 3.8 1906.0404 Vesuvius (Italy) Mediterranean 5.3 1905.0804 Savai'i (Samoa) Pacific-S 4.0 1904.1114 Fukutokuoka no Ba Japan 4.6 1903.0528 Grimsvotn Iceland 5.9 1902.1024 Santa Maria (Guatemala) America-C 5.1 1902.0508 Pelee, Montagne Caribbean 5.4 1902.0506 Soufriere St.Vincent Caribbean 3.8 1902.0502 Pelee, Montagne Caribbean 4.0 1899.1113 Dona Juana (Colombia) America-S 3.8 1897.0523 Mayon (Luzon) Philippines 1894 Unknown 4.0 1893.0107 Calbuco (Chile-S) America-S 4.0 1890.0216 Colima (Mexico) America-C 4.6 1886.0831 Niuafo'ou (Tonga) Pacific-S 5.1 1886.0610 Tarawera New Zealand 4.0 1886.0111 Tungurahua (Ecuador) America-S 4.7 1883.1006 Augustine (Alaska) America-N 6.1 1883.0827 Krakatau Indonesia 4.7 1877.0626 Cotopaxi (Ecuador) America-S 4.3 1875.0329 Askja Iceland 3.8 1873.0108 Grimsvotn Iceland 4.3 1872.0415 Merapi (Java) Indonesia 4.0 1872 Sinarka Kuriles 5.3 1870.0221 Ceboruco, Volcan (Mexico) America-C 4.0 1869.1004 Purace (Colombia) America-S 4.6 1861.1228 Makian (Halmehera) Indonesia 4.2 1856.0925 H. Komagatake Japan 5.1 1854.0218 Sheveluch Kamchatka 4.8 1853.12 Chikurachki-Tatarinov Kuriles 4.0 1849.12 Purace (Colombia) America-S 6.0 1846.1126 Azul, Cerro (Chile-C) America-S 4.6 1846.10 Fonualei (Tonga) Pacific-S 5.1 1845.0902 Hekla Iceland 5.4 1835.0120 Cosiguina (Nicaragua) America-C 4.6 1831 Babuyan Claro (Luzon Is-N of) Philippines 4.6 1829.09 Kliuchevskoi Kamchatka 4.6 1826.1011 Kelut (Java) Indonesia 4.6 1825.0310 Isanotski (Aleutian) America-N 4.8 1822.1008 Galungung (Java) Indonesia 4.0 1818.0202 Colima (Mexico) America-C 4.6 1817.0116 Raung (Java) Indonesia 7.1 1815.0410 Tambora (Lesser Sunda Is) Indonesia 4.6 1814.0201 Mayon (Luzon) Philippines 4.1 1813 Suwanose Japan 4.6 1812.0806 Awu (Sangihe Is) Indonesia 4.6 1812.0427 Soufriere St.Vincent Caribbean 1809 Unknown 3.8 1800.0115 St. Helens, Mt. (Washington) America-N 4.8 1795 Westdahl (Aleutian) America-N 4.5 1793.0302 San Martin,Volcan de(Mexico) America-C 4.0 1793.02 Alaid Kuriles 4.6 1790.11 Kilauea Hawaii 4.0 1787.0718 Etna (Italy) Mediterranean 4.6 1786 Pavlof Sister (Alaska) America-N 6.4 1783.0608 Grimsvotn Iceland 4.8 1783.0509 Asama Japan 4.0 1783.0326 Aogashima Japan 5.0 1779.1108 Aira Sakurajima Japan 4.0 1778 Raikoke Kuriles 4.5 1777.0831 I. Oshima Japan 4.7 1768.0404 Cotopaxi (Ecuador) America-S 5.4 1766.0405 Hekla Iceland 5.3 1764 Michoacan Field (Mexico) America-C 4.0 1762.1203 Planchon-Peteroa (Chile-C) America-S 4.6 1760.0922 Makian (Halmahera) Indonesia 5.3 1760 Antisana (Ecuador) America-S 5.3 1759.0929 Michoacan Field (Mexico) America-C 5.0 1755.1017 Katla Iceland 4.6 1754.1128 Taal (Luzon) Philippines 4.7 1744.1130 Cotopaxi (Ecuador) America-S 4.1 1741.0818 O. Oshima Japan 5.2 1739.0818 Shikotsu Tarumai Japan 5.9 1730.0901 Lanzarote (Canary Is) Atlantic 5.3 1728.1218 Krafla Iceland 4.1 1727.0803 Oraefajokull Iceland 5.6 1725 Savai'i (Samoa) Pacific-S 4.7 1721.0511 Katla Iceland 3.8 1720 Bravo, Cerro (Colombia) America-S 5.3 1719 Wudalianchi (China) Korea/China 4.2 1716.1109 Kirishima Japan 4.0 1716.0924 Taal (Luzon) Philippines 4.0 1712.1231 Chirpoi Kuriles 5.2 1707.1216 Fuji Japan 4.6 1693.0604 Serua (Banda Sea) Indonesia 4.3 1693.0213 Hekla Iceland 4.0 1690 Chikurachki-Tatarinov Kuriles 4.3 1684.0329 I. Oshima Japan 4.8 1680 Tongkoko (Sulawesi) Indonesia 4.8 1673.0520 Gamkonora (Halmahera) Indonesia 5.4 1667.0923 Shikotsu Tarumai Japan 5.4 1663.0816 Toya Usu Japan 4.3 1660.1103 Katla Iceland 4.6 1660.1027 Guagua Pichincha (Ecuador) America-S 4.6 1660.02 Teon (Banda Sea) Indonesia 6.3 1660 Long Island (New Guinea-NE of) PNG 4.5 1655 Ksudach Kamchatka 4.6 1650.0927 Santorini (Greece) Mediterranean 4.6 1646.0719 Makian (Halmahera) Indonesia 4.8 1641.0103 Awu (Sangihe Is) Indonesia 4.6 1641 Kelut (Java) Indonesia 5.4 1640.0731 H. Komagatake Japan 4.0 1640.02 Llaima (Chile-C) America-S 4.6 1638 Raung (Java) Indonesia 4.4 1636 I. Oshima Japan 4.6 1631.1216 Vesuvius (Italy) Mediterranean 4.3 1630.0903 Furnas (Azores) Atlantic 4.5 1625.0902 Katla Iceland 4.0 1622.0608 Colima (Mexico) America-C 5.3 1614.0701 Etna (Italy) Mediterranean 4.0 1606.1125 Colima (Mexico) America-C 4.1 1605 Momotombo (Nicaragua) America-C 1602 Unknown 4.8 1600.0219 Huaynaputina (Peru) America-S 4.8 1600 Suwanose Japan 4.1 1597.0103 Hekla Iceland 4.1 1595.0312 Ruiz (Columbia) America-S 4.8 1593 Raung (Java) Indonesia 4.8 1586 Kelut (Java) Indonesia 4.0 1585.0110 Colima (Mexico) America-C 4.0 1580.1207 Galeras (Columbia) America-S 6.0 1580 Billy Mitchell (Bougainville) PNG 4.4 1563.0628 Agua de Pau (Azores) Atlantic 4.4 1552.0927J I. Oshima Japan 3.8 1550 Maly Semiachik Kamchatka 4.0 1540 Augustine (Alaska) America-N 4.0 1534.06 Cotopaxi (Ecuador) America-S 4.1 1525 Arenal (Costa Rica) America-C 4.3 1510.0725 Hekla Iceland 4.7 1490 Katla Iceland 4.8 1482.0115 St. Helens, Mt. (Washington) America-N 4.8 1480.0115 St. Helens, Mt. (Washington) America-N 5.9 1477.03 Bardarbunga Iceland 5.5 1471.1025J Aira Sakurajima Japan 4.3 1444 Sete Cidades (Azores) Atlantic 4.0 1442.08 I. Oshima Japan 6.8 1425 Kuwae (Vanuatu) Pacific-S 4.1 1416 Katla Iceland 5.8 1362.0605 Oraefajokull Iceland 4.9 1361 N. Yakeyama Japan 4.3 1357 Katla Iceland 4.8 1350 Kikhpinych Kamchatka 4.9 1350 Inyo Craters (California) America-N 4.1 1350 Ruiz (Columbia) America-S 5.0 1345 Mono Craters (California) America-N 4.3 1325 Bravo, Cerro (Colombia) America-S 4.1 1311.0118 Katla Iceland 5.1 1300.0711 Hekla Iceland 4.4 1300 Pelee, Montagne Caribbean 4.3 1267 I. Oshima Japan 1259 Unknown 4.1 1170 Furnas (Azores) Atlantic 4.7 1158.0119 Hekla Iceland 4.7 1112.1104J I. Oshima Japan 5.1 1108.0824J Asama Japan 5.2 1104.1015 Hekla Iceland 5.3 1075 Medicine Lake (California) America-N 5.6 1050 Tolbachik Kamchatka 4.4 1050 Bravo, Cerro (Colombia) America-S 5.7 1030 Billy Mitchell (Bougainville) PNG 5.5 1020 Tarawera New Zealand 4.0 1000 Kutcharo Japan 5.4 1000 Tolbachik Kamchatka 5.0 1000 Sheveluch Kamchatka 4.0 1000 Katla Iceland 3.8 999 Fuji Japan 5.3 970 Kutcharo Japan 5.2 950 Tolbachik Kamchatka 4.3 950 Bezymianny Kamchatka 5.5 950 Ceboruco, Volcan (Mexico) America-C 7.4 946 Baitoushan (China/Korea) Korea/China 4.4 936 I. Oshima Japan 6.3 934 Katla Iceland 5.7 915.0817J Towada Japan 4.8 900 Ksudach Kamchatka 5.4 900 Tolbachik Kamchatka 5.3 900 Bardarbunga Iceland 5.1 887 N. Yakeyama Japan 5.2 886.0629J Niijima Japan 4.1 886.0625J I. Oshima Japan 4.4 885.0825J Ata Kaimon Japan 4.5 874.0325J Ata Kaimon Japan 4.4 864.06 Fuji Japan 4.3 840 Niijina Japan 4.1 840 Furnas (Azores) Atlantic 5.2 838.0729J Kozushima Japan 829 Unknown 4.1 810 Mono Craters (California) America-N 6.1 800 Zuni-Bandera (New Mexico) America-N 5.3 788.0414J Kirishima Japan 4.5 771 Beppu Tsurumi Japan 4.3 764 Aira Sakurajima Japan 4.8 751 I. Oshima Japan 4.4 750 Bravo, Cerro (Colombia) America-S 4.5 700 Bezymianny Kamchatka 6.1 700 Bona-Churchill (Alaska) America-N 4.6 660 Ata Kaimon Japan 4.3 654 I. Oshima Japan 623 Unknown 4.3 595 Inyo Craters (California) America-N 5.5 550 Tolbachik Kamchatka 4.9 540 Haruna Japan 5.9 536 Rabaul (New Britain) PNG 4.0 512.0708 Vesuvius (Italy) Mediterranean 4.8 510 Haruna Japan 5.0 500 Sheveluch Kamchatka 4.3 472.1105 Vesuvius (Italy) Mediterranean 5.6 450 Tolbachik Kamchatka 5.8 430 Opala Kamchatka 5.1 400 Tolbachik Kamchatka 4.3 380 Sete Cidades (Azores) Atlantic 4.8 350 Asama Japan 4.3 315 Newberry Volcano (Oregon) America-N 4.4 280 Pelee, Montagne Caribbean 6.2 260 Ilopango (El Salvador) America-C 4.6 250 Beppu Yufu Japan 4.4 210 Aso Japan 4.7 200 Glacier Peak (Washington) America-N 5.3 190 Khodutka Kamchatka 6.0 155 Ksudach Kamchatka 6.7 130 Taupo Volc Centre New Zealand 4.6 100 Aso Japan 4.4 90 Sete Cidades (Azores) Atlantic 5.8 79.0824 Vesuvius (Italy) Mediterranean 6.2 65 Bona-Churchill (Alaska) America-N 5.1 50 Tolbachik Kamchatka 4.6 000 Aso Japan 4.3 000 K. Yakedake Japan