Historical tsunamis · Oct 2, 1919
1919 Alika, Hawaii tsunami
United States
The tsunami of Oct 2, 1919 originated near Alika, Hawaii (United States).
Key facts
- Date
- Oct 2, 1919
- Cause
- Volcano and landslide
- Maximum documented water height
- 4.30 m
- Damage
- limited (under US$ 1 million)
- Observation records
- 3
- Countries affected
- 1
Cause according to NOAA/NCEI: Volcano and landslide.
The highest documented water height was 4.30 m (Hoopuloa, Hawaii, Hi, United States).
3 observation sites in 1 countries are recorded.
Damage is estimated at limited (under US$ 1 million).
Map of observation sites
3Each 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 |
|---|---|---|---|---|
| United States | 3 | 4.30 m Hoopuloa, Hawaii, Hi | — | — |
Highest documented water heights
3 / 3Individual 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 |
|---|---|---|---|
| Hoopuloa, Hawaii, Hi · Hi | 4.30 m | 3 km | United States |
| Keauhou, Hawaii, Hi · Hi | 2.40 m | 38 km | United States |
| Kailua, Hawaii, Hi · Hi | 0.90 m | 47 km | United States |
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.