September 21, 1936 Tsunami: Lake Lovatnet, Norway
A tsunami caused by a landslide began at Lake Lovatnet, Norway on September 21, 1936. The water rose as high as 40 meters.
Where the waves reached
The source of the tsunami. No runup with a place is recorded for it.
- Under 1 m
- 1 to 3 m
- 3 to 10 m
- 10 to 30 m
- 30 m and more
- Height not recorded
The tsunami
- Date
- September 21, 1936
- Source
- Lake Lovatnet, Norway
- Cause
- Landslide
- Maximum water height
- 40 m (131.2 ft)
- Runups recorded
- 0
- Waters
- A lake or river, not the ocean
- How certain
- Definite tsunami
- Source location
- 61.850° N, 6.900° E
The toll
The record gives no deaths, injuries or damage for this tsunami.
What the record says
NCEI’s account, from the sources it cites.
Following the disaster of September 13th, 1936, three additional, smaller landslides were recorded in the same year: (1) on the 21st of September when ca. 105 m3 of rocks fell down and generated a wave that washed up to 40 m in height above the lake (reference #13950)
Note: exact location uncertain
More
Every tsunami in 1936The 1900sTsunamis of NorwayThis day in weather historyAlerts in force
Sources
Tsunami events and runups 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. NCEI tsunami event 5989.