List of large volcanic eruptions of the 19th century
This is a list of volcanic eruptions of the 19th century measuring a Volcanic Explosivity Index of at least 4. Note that there may be many other eruptions that have not been identified, and estimates for the size of eruptions can be subject to considerable uncertainties.
| VEI | Volcano | Year | Casualties | Notes |
| 4 | Pago | 1800 | ||
| 5 | Mount St. Helens | 1800 | The eruption was seen by Native Americans. | |
| 6 | Unknown volcano | 1808 | Greenland and Antarctic ice samples suggest an undocumented eruption roughly half the magnitude of Mount Tambora occurred, contributing to the 1810s being the coldest decade in at least 500 years. Recent searches of documents suggest that it may have taken place in South Western Pacific Ocean around Dec 4, 1808 and observed in Colombia from December 11, 1808. | |
| 4 | La Soufrière | 1812 | ||
| 4 | Mount Awu | 1812 | ||
| 4 | Suwanosejima | 1813 | ||
| 4 | Mayon Volcano | 1814 | ||
| 7 | Mount Tambora | 1815 | 71,000 | Largest and deadliest volcanic eruption in recorded history. Caused the "Year Without a Summer" in 1816. |
| 4 | Raung | 1817 | ||
| 4 | Volcán de Colima | 1818 | ||
| 4 | Mount Usu | 1822 | ||
| 5 | Mount Galunggung | 1822 | 4,000 | |
| 4 | Isanotski Peaks | 1825 | ||
| 4 | Kelud | 1826 | ||
| 4 | Avachinsky | 1827 | ||
| 4 | Klyuchevskaya Sopka | 1829 | ||
| 4 | Babuyan Claro Volcano | 1831 | ||
| 5 | Cosigüina | 1835 | ||
| 5 | Mount Agung | 1843 | ||
| 4 | Hekla | 1845 | ||
| 4 | Fonualei | 1846 | ||
| 4 | Mount Usu | 1853 | ||
| 5 | Shiveluch | 1854 | ||
| 4 | Hokkaido Koma-ga-take | 1856 | ||
| 4 | Volcán de Fuego | 1857 | ||
| 4 | Katla | 1860 | ||
| 4 | Makian | 1861 | ||
| 3 | Ceboruco | 1870 | ||
| 4 | Sinarka | 1872 | ||
| 4 | Mount Merapi | 1872 | ||
| 4 | Grímsvötn | 1873 | ||
| 5 | Askja | 1875 | ||
| 4 | Suwanosejima | 1877 | ||
| 4 | Cotopaxi | 1877 | ||
| 4 | Volcán de Fuego | 1880 | ||
| 6 | Krakatoa | 1883 | 36,417 | Produced the loudest sound ever heard in recorded history, and was heard 3,000 miles away. Caused a 5-year volcanic winter. The island had three volcanoes. Perboewatan and Danan were destroyed during the eruption, and Rakata was half destroyed and the surviving half remains above sea level. In 1928, a new volcano called Anak Krakatoa grew above sea level, forming a new island by Rakata's island. |
| 4 | Augustine Volcano | 1883 | ||
| 4 | Tungurahua | 1886 | ||
| 5 | Mount Tarawera | 1886 | 108+ | Largest historical eruption in New Zealand. |
| 4 | Niuafo'ou | 1886 | ||
| 4 | Mount Bandai | 1888 | 477+ | |
| 4 | Suwanosejima | 1889 | ||
| 4 | Volcán de Colima | 1890 | ||
| 4 | Calbuco | 1893 | ||
| 4 | Mayon Volcano | 1897 | Mayon's longest uninterrupted eruption occurred on June 23, 1897 | |
| 4 | Doña Juana | 1899 |