Historical tsunamis · Jul 18, 1969, 5:24 AM UTC
1969 Bohai Sea tsunami
China
The tsunami of Jul 18, 1969, 5:24 AM UTC originated near Bohai Sea (China).
Key facts
- Date
- Jul 18, 1969, 5:24 AM UTC
- Cause
- Earthquake
- Magnitude
- M7.4
- Depth
- 6 km
- Maximum documented water height
- 0.10 m
- Deaths
- 10
- Injuries
- 353
- Houses destroyed
- 15,190
- Damage
- extreme (over US$ 25 million)
- Observation records
- 1
- Countries affected
- 1
It was triggered by a magnitude 7.4 earthquake at a depth of 6 km.
The highest documented water height was 0.10 m.
1 observation sites in 1 countries are recorded.
The database records 10 deaths.
Houses destroyed: 15,190.
Damage is estimated at extreme (over US$ 25 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 |
|---|---|---|---|---|
| China | 1 | — | — | — |
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 |
|---|---|---|---|
| Tangshan, Hebei | — | 166 km | China |
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.