Historical tsunamis · Aug 4, 1928
1928 Flores Sea tsunami
Indonesia
The tsunami of Aug 4, 1928 originated near Flores Sea (Indonesia).
Key facts
- Date
- Aug 4, 1928
- Cause
- Volcano and landslide
- Depth
- 1 km
- Maximum documented water height
- 10.0 m
- Deaths
- 226
- Injuries
- 200
- Houses destroyed
- some (about 51–100)
- Damage
- moderate (about US$ 1–5 million)
- Observation records
- 2
- Countries affected
- 1
Cause according to NOAA/NCEI: Volcano and landslide.
The highest documented water height was 10.0 m (Flores Island, Indonesia).
2 observation sites in 1 countries are recorded.
The database records 226 deaths.
Houses destroyed: some (about 51–100).
Damage is estimated at moderate (about US$ 1–5 million).
Map of observation sites
2Each 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 |
|---|---|---|---|---|
| Indonesia | 2 | 10.0 m Flores Island | 128 | — |
Highest documented water heights
2 / 2Individual 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 |
|---|---|---|---|
| Flores Island · East Nusa Tenggara | 10.00 m | 80 km | Indonesia |
| Palu Island, Flores Sea · East Nusa Tenggara | 10.00 m | 0 km | Indonesia |
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.