Historical tsunamis · Dec 6, 1917, 1:04 PM UTC
1917 Halifax, Nova Scotia tsunami
Canada
The tsunami of Dec 6, 1917, 1:04 PM UTC originated near Halifax, Nova Scotia (Canada).
Key facts
- Date
- Dec 6, 1917, 1:04 PM UTC
- Cause
- Explosion
- Maximum documented water height
- 7.00 m
- Deaths
- 2,000
- Injuries
- 9,000
- Observation records
- 5
- Countries affected
- 1
Cause according to NOAA/NCEI: Explosion.
The highest documented water height was 7.00 m (Halifax, Nova Scotia, Canada).
5 observation sites in 1 countries are recorded.
The database records 2,000 deaths.
Map of observation sites
5Each dot is a documented observation site; colour and size show the observed water height. The triangle marks the source.
Tsunami arrival times
Documented arrival times from the NOAA/NCEI database, showing the earliest recorded location per country. Coverage is incomplete: a country without an entry was not necessarily spared.
- 0:00 hEarthquake (origin) · Dec 6, 1917, 1:04 PM UTC
- 0:02 hCanada · Dartmouth, Nova Scotia
4 places with a documented arrival time
Observations by country
| Country | Observation records | Maximum documented water height | Deaths | Earliest arrival |
|---|---|---|---|---|
| 5 | 7.00 m Halifax, Nova Scotia | 16 | 0:02 h |
Highest documented water heights
5 / 5Individual 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 |
|---|---|---|---|
| Halifax, Nova Scotia · Ns | 7.00 m | 0 km | Canada |
| Bedford, Nova Scotia · Ns | — | 12 km | Canada |
| Dartmouth, Nova Scotia · Ns | — | 4 km | Canada |
| Tufts Cove, Nova Scotia · Ns | — | 5 km | Canada |
| Turtle Grove, Nova Scotia · Ns | — | 5 km | Canada |
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.