Historical tsunamis · Aug 18, 1983, 9:00 AM UTC
1983 Western Norway tsunami
Norway
The tsunami of Aug 18, 1983, 9:00 AM UTC originated near Western Norway (Norway).
Key facts
- Date
- Aug 18, 1983, 9:00 AM UTC
- Cause
- Landslide
- Maximum documented water height
- 7.00 m
- Damage
- limited (under US$ 1 million)
- Observation records
- 1
- Countries affected
- 1
Cause according to NOAA/NCEI: Landslide.
The highest documented water height was 7.00 m (Ardalstangen, Norway).
1 observation sites in 1 countries are recorded.
Damage is estimated at limited (under US$ 1 million).
Map of observation sites
1Each dot is a documented observation site; colour and size show the observed water height. The triangle marks the source.
Observations by country
| Country | Observation records | Maximum documented water height | Deaths | Earliest arrival |
|---|---|---|---|---|
| Norway | 1 | 7.00 m Ardalstangen | — | — |
Highest documented water heights
1 / 1Individual documented observations for this event. Heights come from different measurement types and sources; not every location has a measured height.
| Location / station | Observed height | Distance from source | Country |
|---|---|---|---|
| Ardalstangen | 7.00 m | 1 km | Norway |
More tsunamis
Source: NOAA National Centers for Environmental Information (NCEI), Global Historical Tsunami Database. Confirmed events only. Deaths and damage are database estimates; older records are incomplete. Water heights come from different types of observation.