Historical tsunamis · Nov 28, 2004, 6:32 PM UTC
2004 Hokkaido Island tsunami
Japan
The tsunami of Nov 28, 2004, 6:32 PM UTC originated near Hokkaido Island (Japan).
Key facts
- Date
- Nov 28, 2004, 6:32 PM UTC
- Cause
- Earthquake
- Magnitude
- M7.0
- Depth
- 39 km
- Maximum documented water height
- 0.12 m
- Injuries
- 24
- Damage
- moderate (about US$ 1–5 million)
- Observation records
- 2
- Countries affected
- 1
It was triggered by a magnitude 7.0 earthquake at a depth of 39 km.
The highest documented water height was 0.12 m (Hanasaki, Japan).
2 observation sites in 1 countries are recorded.
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.
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) · Nov 28, 2004, 6:32 PM UTC
- 0:22 hJapan · Hanasaki · 0.12 m
2 places with a documented arrival time
Observations by country
| Country | Observation records | Maximum documented water height | Deaths | Earliest arrival |
|---|---|---|---|---|
| Japan | 2 | 0.12 m Hanasaki | — | 0:22 h |
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 |
|---|---|---|---|
| Hanasaki · Hokkaido | 0.12 m | 47 km | Japan |
| Kushiro · Hokkaido | 0.07 m | 61 km | Japan |
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.