February 12, 1839 Eruption of Unnamed
Unnamed in Chile erupted on February 12, 1839 with a Volcanic Explosivity Index of 2. It caused a tsunami.
Where it erupted
Unnamed, Chile, with its other significant eruptions.
The eruption
- Date
- February 12, 1839
- Volcano
- Unnamed, submarine volcano
- Country
- Chile
- Volcanic Explosivity Index
- 2, moderate (eruption column 1 to 5 km)
- Tsunami
- Yes: the tsunami it caused
- Location
- 33.620° S, 76.830° W
The toll
The record gives no deaths, injuries or damage for this eruption.
What the record says
NCEI’s account, from the sources it cites.
On February 12, 1839 at 9:10 [local time] between Valparaiso and the Juan Fernandez Islands, there was said to be an underwater eruption and a "maremoto"; a new islet was formed with coordinates: 33o 34' - 33o 40' S., 76o 49' - 76o 50' W. (reference #415)
More
Every eruption in 1839The 1800sUnnamedEarthquakes near UnnamedThis day in weather history
Sources
Volcanoes and significant eruptions from NOAA’s National Centers for Environmental Information, Global Historical Hazard Database, cited as NCEI/WDS, doi:10.7289/V5PN93H7. Public domain. Read 2026-09-24. Volcano numbers are the Smithsonian Institution’s Global Volcanism Program’s. NCEI event 4078.